"Pseudo-MPEC" for 2016-055A = OSIRIS-REx

Created 2018 Mar 15 19:13:52 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

• Astrometry
• Observing stations
• Orbital elements (geocentric)
• Orbital elements (heliocentric, before flyby)
• Orbital elements (heliocentric, after flyby)
• Residuals
• Ephemeris

 
 Astrometry: 
     Osiris  KC2017 09 16.04826 00 21 10.80 +02 30 59.1          20.2 V      C95
2016-055A    KC2017 09 16.24381400 21 27.26 +02 30 40.1          21.6 G D0558V03
2016-055A    KC2017 09 16.25840700 21 25.81 +02 30 35.9          21.1 G D0558V03
2016-055A    KC2017 09 16.96730500 21 36.539+02 27 40.14         20.7 GUD0557J04
2016-055A    KC2017 09 16.97513300 21 35.597+02 27 37.97         20.6 GUD0557J04
2016-055A    KC2017 09 16.98296100 21 34.675+02 27 35.55         20.8 GUD0557J04
2016-055A    KC2017 09 18.86324 00 21 58.08 +02 07 31.6          20.1 V D0557C95
2016-055A    KC2017 09 18.89036 00 21 54.88 +02 07 08.9          20.7 V D0557C95
2016-055A    KC2017 09 18.94438 00 21 46.82 +02 06 22.2          19.7 V D0557C95
2016-055A    KC2017 09 18.97013 00 21 42.26 +02 05 59.3          20.1 V D0557C95
2016-055A    KC2017 09 18.99615 00 21 37.55 +02 05 35.2          20.3 V D0557C95
2016-055A    KC2017 09 19.02303 00 21 32.48 +02 05 08.3          20.1 V D0557C95
2016-055A    KC2017 09 19.05060 00 21 27.17 +02 04 41.5          20.0 V D0557C95
2016-055A     C2017 09 19.05769 00 21 38.35 +02 07 03.4          19.9 RUD0557J04
2016-055A     C2017 09 19.06938 00 21 35.62 +02 06 51.6          20.0 RUD0557J04
2016-055A    KC2017 09 19.07795 00 21 22.35 +02 04 12.9          20.1 V D0557C95
2016-055A     C2017 09 19.08107 00 21 32.85 +02 06 40.6          19.5 RUD0557J04
2016-055A     C2017 09 19.09276 00 21 30.09 +02 06 29.1          19.7 RUD0557J04
2016-055A    KC2017 09 19.10534 00 21 17.74 +02 03 44.0          20.0 V D0557C95
2016-055A    KC2017 09 19.13282 00 21 13.59 +02 03 12.7          20.6 V D0557C95
2016-055A    KC2017 09 19.87058 00 22 13.44 +01 47 06.6          19.2 V D0558C95
2016-055A    KC2017 09 19.88463 00 22 11.14 +01 46 43.8          19.2 V D0558C95
2016-055A    KC2017 09 19.90113 00 22 08.27 +01 46 16.8          19.0 V D0558C95
2016-055A    KC2017 09 19.91503 00 22 05.42 +01 45 55.0          19.0 V D0558C95
2016-055A    KC2017 09 19.92904 00 22 02.52 +01 45 32.5          19.4 V D0558C95
2016-055A    KC2017 09 19.94289 00 21 59.47 +01 45 09.0          19.7 V D0558C95
2016-055A    KC2017 09 19.95673 00 21 56.22 +01 44 44.8          19.5 V D0558C95
2016-055A    KC2017 09 19.95823 00 21 57.39 +01 43 19.3          18.0 RqD0557970
2016-055A    KC2017 09 19.96469 00 21 56.08 +01 43 08.0          18.2 RqD0557970
2016-055A    KC2017 09 19.97077 00 21 52.80 +01 44 20.2          19.5 V D0558C95
2016-055A    KC2017 09 19.98477 00 21 49.40 +01 43 56.5          19.4 V D0558C95
2016-055A    KC2017 09 19.99851 00 21 45.80 +01 43 33.0          18.6 V D0558C95
2016-055A    KC2017 09 20.01228 00 21 42.37 +01 43 06.4          19.6 V D0558C95
2016-055A    KC2017 09 20.02610 00 21 38.62 +01 42 39.2          19.6 V D0558C95
2016-055A    KC2017 09 20.03995 00 21 35.04 +01 42 15.5          19.3 V D0558C95
2016-055A    KC2017 09 20.05376 00 21 31.64 +01 41 48.4          19.4 V D0558C95
2016-055A    KC2017 09 20.06752 00 21 28.23 +01 41 21.3          19.4 V D0558C95
2016-055A    KC2017 09 20.08152 00 21 24.74 +01 40 54.1          19.8 V D0558C95
2016-055A    KC2017 09 20.09580 00 21 21.41 +01 40 24.0          19.4 V D0558C95
ORX          KC2017 09 20.10523 00 21 59.28 +01 56 14.1          18.8 Rq     Y00
2016-055A    KC2017 09 20.10967 00 21 18.35 +01 39 56.6          19.5 V D0558C95
ORX          KC2017 09 20.11543 00 21 55.82 +01 55 58.0          18.7 Rq     Y00
ORX          KC2017 09 20.12356 00 21 53.04 +01 55 44.9          18.7 Rq     Y00
2016-055A     C2017 09 20.28048 00 22 03.55 +01 36 37.8          19.6 V D0557703
2016-055A     C2017 09 20.28588 00 22 01.83 +01 36 26.7          19.3 V D0557703
2016-055A     C2017 09 20.29123 00 22 00.15 +01 36 15.2          18.8 V D0557703
2016-055A     C2017 09 20.29659 00 21 58.36 +01 36 03.6          18.9 V D0557703
ORX           C2017 09 20.36093 00 21 45.18 +01 32 27.9         x19.8 Vq     U69
ORX           C2017 09 20.36492 00 21 43.82 +01 32 17.8         x19.3 Vq     U69
ORX           C2017 09 20.37229 00 21 41.43 +01 32 01.5         x19.0 Vq     U69
     A10422t  C2017 09 202eAstrometry;ODj#\sp[ra`\a=j0GJL'YM$FI^P[#ldH6g*/]?\T08
     A10422t  C2017 09 20x%:BbJCdNJF.wJ.b^redacted;[e*FgAgq*Kjf#o+=lGAi2p9XXjT08
     A10422t  C2017 09 20\fjDJc/QPmZrGGvp,mbSi,?9yQqj3]41seeanOptZB6[:]\jTh^pT08
     A10422t  C2017 09 20uMofF7F4t4y5)N,W.`yyA:\W*6yB-uIcji?je$TTXj],PnoNEOCPT08
2016-055A    KC2017 09 20.86498 00 22 40.76 +01 04 30.9                UD0558204
2016-055A    KC2017 09 20.87329 00 22 38.88 +01 03 58.8          18.8 GUD0558204
2016-055A    KC2017 09 20.88180 00 22 36.79 +01 03 25.7                UD0558204
ORX          KC2017 09 20.88811 00 22 34.78 +01 03 00.5          18.2 R      587
ORX          KC2017 09 20.89034 00 22 34.17 +01 02 51.9          18.3 R      587
ORX          KC2017 09 20.89258 00 22 33.59 +01 02 42.6                      587
2016-055A     C2017 09 21.05032000 22 08.090+00 57 04.69         18.4 GUD0558J04
2016-055A     C2017 09 21.05060300 22 07.935+00 57 03.28         17.8 GUD0558J04
2016-055A     C2017 09 21.05090000 22 07.789+00 57 01.97         18.2 GUD0558J04
2016-055A     C2017 09 21.05118300 22 07.641+00 57 00.72         18.2 GUD0558J04
2016-055A     C2017 09 21.05147300 22 07.508+00 56 59.17         18.1 GUD0558J04
2016-055A     C2017 09 21.05176300 22 07.351+00 56 58.00         18.1 GUD0558J04
2016-055A     V2017 09 21.35632 00 24 08.35 -01 15 45.6 Horizon !17.0 V D0559247
2016-055A     v2017 09 21.35632 1 008.0567   +50.9060     300           D0559247
2016-055A     V2017 09 21.35702 00 24 08.04 -01 16 01.2 Horizon !17.1 V D0559247
2016-055A     v2017 09 21.35702 1 008.0567   +50.9060     300           D0559247
ORX          KC2017 09 21.47598 00 23 33.85 +00 44 44.3          17.3 Ro     Q62
ORX          KC2017 09 21.47730 00 23 33.34 +00 44 35.6          17.1 Ro     Q62
ORX          KC2017 09 21.47863 00 23 32.82 +00 44 26.8          17.1 Ro     Q62
ORX          KC2017 09 21.47995 00 23 32.29 +00 44 17.7          17.1 Ro     Q62
ORX          KC2017 09 21.48127 00 23 31.77 +00 44 09.0          17.2 Ro     Q62
ORX          KC2017 09 21.48260 00 23 31.27 +00 44 00.4          17.3 Ro     Q62
2016-055A     V2017 09 21.48556 00 23 00.22 -02 01 37.3 Horizon !16.9 V D0559247
2016-055A     v2017 09 21.48556 1 008.0567   +50.9060     300           D0559247
2016-055A     V2017 09 21.48625 00 22 59.83 -02 01 53.0 Horizon !17.4 V D0559247
2016-055A     v2017 09 21.48625 1 008.0567   +50.9060     300           D0559247
2016-055A     V2017 09 21.48660 00 22 59.53 -02 02 02.0 Horizon !17.0 V D0559247
2016-055A     v2017 09 21.48660 1 008.0567   +50.9060     300           D0559247
ORX          KC2017 09 21.82152200 24 24.64 -01 03 10.2          16.4 R      587
ORX          KC2017 09 21.82340700 24 24.30 -01 03 41.2          16.5 R      587
ORX          KC2017 09 21.82529400 24 23.94 -01 04 12.7          16.5 R      587
ORX          KC2017 09 21.82717900 24 23.57 -01 04 44.2                      587
2016-055A     C2017 09 21.88530 00 23 55.81 -01 22 12.6          17.1 VqD0559595
2016-055A     C2017 09 21.88701 00 23 54.89 -01 22 45.3          16.6 VqD0559595
2016-055A     C2017 09 21.88872 00 23 53.96 -01 23 18.6          16.9 VqD0559595
2016-055A     C2017 09 21.89043 00 23 53.06 -01 23 51.3          17.0 VqD0559595
2016-055A     C2017 09 21.89214 00 23 52.16 -01 24 24.5          16.6 VqD0559595
2016-055A     C2017 09 21.89385 00 23 51.22 -01 24 58.6          16.8 VqD0559595
2016-055A    tC2017 09 21.89531000 23 56.880-01 24 29.04         16.5 GU     598
2016-055A     C2017 09 21.89556 00 23 50.28 -01 25 32.2          16.7 VqD0559595
2016-055A    tC2017 09 21.90131600 23 53.502-01 26 27.59         16.8 GU     598
2016-055A    tC2017 09 21.90858300 23 49.191-01 28 53.69         16.9 GU     598
2016-055A    tC2017 09 21.92414500 23 39.269-01 34 15.27         16.9 GU     598
2016-055A    KC2017 09 21.92699 00 23 55.78 -01 39 00.4          16.7 GUD0559J69
2016-055A    KC2017 09 21.92898 00 23 54.83 -01 39 43.3          16.8 GUD0559J69
2016-055A    KC2017 09 21.92906000 23 54.84 -01 40 00.6          16.9 G D0559J95
2016-055A    KC2017 09 21.93069500 23 54.05 -01 40 36.1          16.9 G D0559J95
2016-055A    KC2017 09 21.93098 00 23 53.87 -01 40 26.5          16.7 GUD0559J69
2016-055A    KC2017 09 21.93233800 23 53.27 -01 41 11.8          16.7 G D0559J95
2016-055A    KC2017 09 21.93297 00 23 52.88 -01 41 10.0          16.7 GUD0559J69
2016-055A    KC2017 09 21.93402600 23 52.45 -01 41 48.7          16.8 G D0559J95
2016-055A    KC2017 09 21.93497 00 23 51.87 -01 41 53.7          16.7 GUD0559J69
2016-055A    tC2017 09 21.93859800 23 29.243-01 39 25.11         16.7 GU     598
2016-055A    KC2017 09 21.95488 00 23 41.05 -01 49 21.3          16.7 GUD0559J69
2016-055A    KC2017 09 21.95687 00 23 39.89 -01 50 07.3          16.6 GUD0559J69
2016-055A    KC2017 09 21.95887 00 23 38.70 -01 50 53.6          16.6 GUD0559J69
2016-055A    KC2017 09 21.96086 00 23 37.52 -01 51 40.1          16.5 GUD0559J69
2016-055A    KC2017 09 21.96285 00 23 36.32 -01 52 27.0          16.5 GUD0559J69
2016-055A     C2017 09 21.97514900 23 00.844-01 53 20.26         16.7 GU     598
2016-055A     C2017 09 21.98118200 22 55.801-01 55 45.73         16.7 GU     598
2016-055A    tC2017 09 21.98810600 22 49.908-01 58 35.47         16.5 GU     598
2016-055A     C2017 09 21.99591000 22 43.155-02 01 50.43         16.7 GU     598
2016-055A     C2017 09 22.00672100 22 33.596-02 06 27.42         16.5 GU     598
2016-055A     C2017 09 22.01460900 22 26.525-02 09 54.32         16.5 GU     598
16055A       KC2017 09 22.01750000 22 57.09 -02 15 50.9          16.4 GU     Z80
2016-055A    KC2017 09 22.01839200 22 59.13 -02 16 11.0          16.6 G D0559J95
2016-055A     C2017 09 22.01881100 22 22.714-02 11 46.49         16.4 GU     598
2016-055A    KC2017 09 22.02005500 22 57.88 -02 16 56.6          16.5 G D0559J95
16055A       KC2017 09 22.02026600 22 55.00 -02 17 06.8          16.3 GU     Z80
2016-055A    KC2017 09 22.02167100 22 56.66 -02 17 40.9          16.6 G D0559J95
16055A       KC2017 09 22.02303100 22 52.92 -02 18 22.3          16.7 GU     Z80
2016-055A    KC2017 09 22.02329800 22 55.42 -02 18 25.6          16.7 G D0559J95
16055A       KC2017 09 22.02579700 22 50.73 -02 19 39.1          16.9 GU     Z80
16055A       KC2017 09 22.02856200 22 48.61 -02 20 56.4          16.9 GU     Z80
16055A       KC2017 09 22.03132800 22 46.53 -02 22 14.0          17.1 GU     Z80
2016-055A    KC2017 09 22.09198200 22 00.30 -02 53 20.2          16.7 G D0559J95
2016-055A    KC2017 09 22.09370700 21 58.88 -02 54 18.2          16.8 G D0559J95
2016-055A    KC2017 09 22.09542300 21 57.48 -02 55 16.0          16.5 G D0559J95
2016-055A    KC2017 09 22.09706900 21 56.14 -02 56 12.4          17.0 G D0559J95
ORX          KC2017 09 22.21646 00 23 21.89 -02 35 38.9          16.2 Rq     I47
ORX          KC2017 09 22.21799 00 23 19.79 -02 36 39.9          16.5 Rq     I47
ORX          KC2017 09 22.21959 00 23 17.56 -02 37 45.8          16.3 Rq     I47
ORX          KC2017 09 22.22089 00 23 15.77 -02 38 39.1          16.5 Rq     I47
2016-055A     C2017 09 22.26421 00 25 36.38 -04 47 57.1          16.3 V D0559G96
2016-055A     C2017 09 22.26438 00 25 36.20 -04 48 07.6          16.3 V D0559G96
2016-055A     C2017 09 22.26455 00 25 36.00 -04 48 18.5          16.3 V D0559G96
2016-055A     C2017 09 22.26477 00 25 35.73 -04 48 32.4          16.3 V D0559G96
2016-055A     C2017 09 22.27232 00 25 26.58 -04 56 36.7          16.3 V D0559G96
2016-055A     C2017 09 22.27243 00 25 26.43 -04 56 43.8          16.2 V D0559G96
2016-055A     C2017 09 22.27255 00 25 26.29 -04 56 52.0          16.3 V D0559G96
2016-055A     C2017 09 22.27266 00 25 26.14 -04 56 59.2          16.2 V D0559G96
2016-055A     C2017 09 22.28168900 21 41.60 -03 33 07.8          15.5 GUD0559W85
2016-055A     C2017 09 22.28225300 21 40.62 -03 33 38.3          15.4 GUD0559W85
2016-055A     C2017 09 22.28281000 21 39.65 -03 34 08.6          15.4 GUD0559W85
2016-055A     C2017 09 22.28337500 21 38.67 -03 34 39.2          15.5 GUD0559W85
2016-055A     C2017 09 22.28392700 21 37.71 -03 35 08.4          15.4 GUD0559W85
2016-055A     C2017 09 22.28449300 21 36.73 -03 35 39.6          15.4 GUD0559W85
2016-055A     C2017 09 22.28504700 21 35.76 -03 36 09.6          15.4 GUD0559W85
2016-055A     C2017 09 22.28560100 21 34.79 -03 36 39.4          15.4 GUD0559W85
2016-055A     C2017 09 22.28615500 21 33.83 -03 37 10.0          15.4 GUD0559W85
2016-055A     C2017 09 22.28671100 21 32.86 -03 37 40.5          15.4 GUD0559W85
2016-055A     C2017 09 22.28726600 21 31.87 -03 38 11.0          15.5 GUD0559W85
2016-055A     C2017 09 22.28782000 21 30.91 -03 38 41.6          15.4 GUD0559W85
2016-055A     C2017 09 22.28837200 21 29.95 -03 39 11.9          15.4 GUD0559W85
2016-055A     C2017 09 22.28893800 21 28.95 -03 39 43.3          15.3 GUD0559W85
2016-055A     C2017 09 22.28949000 21 27.99 -03 40 13.8          15.3 GUD0559W85
2016-055A     C2017 09 22.29004600 21 27.01 -03 40 45.0          15.4 GUD0559W85
2016-055A     C2017 09 22.29060000 21 26.04 -03 41 15.8          15.4 GUD0559W85
2016-055A     C2017 09 22.29115500 21 25.06 -03 41 46.8          15.3 GUD0559W85
2016-055A     C2017 09 22.39811 00 21 39.74 -08 04 29.4          15.7 V D0559G96
2016-055A     C2017 09 22.39845 00 21 38.98 -08 05 11.2          15.7 V D0559G96
2016-055A     C2017 09 22.43504 00 20 10.86 -09 29 17.4          15.3 V D0559G96
2016-055A     C2017 09 22.43519 00 20 10.46 -09 29 41.4          15.2 V D0559G96
ORX           C2017 09 22.47515 00 32 43.77 -08 43 53.4          14.7 Rv     Q62
ORX           C2017 09 22.47589 00 32 44.11 -08 46 07.8          14.7 Rv     Q62
ORX           C2017 09 22.47728 00 32 44.76 -08 50 22.9          15.1 Rv     Q62
ORX           C2017 09 22.47798 00 32 45.12 -08 52 32.8          15.0 Rv     Q62
ORX           C2017 09 22.47937 00 32 45.73 -08 56 53.2          15.2 Rv     Q62
ORX           C2017 09 22.48003 00 32 46.05 -08 58 57.6          15.1 Rv     Q62
ORX           C2017 09 22.48071 00 32 46.33 -09 01 06.2          14.9 Rv     Q62

Station data:
(204) Schiaparelli Observatory  (N45.867933 E8.770800)  Italy.  Observers L.
   Buzzi, G. Colombo. 0.60-m f/4.64 reflector + CCD.
(247) Roving Observer  (N50.906000 E8.056700)  Germany.  Observer K.-F.
   Osterhage. 0.11-m f/6.5 refractor + CCD.
(587) Sormano  (N45.882949 E9.229180)  Italy.  Observers F. Manca, A. Testa.
   Measurer F. Manca. 0.5-m + CCD.
(595) Farra d'Isonzo  (N45.915734 E13.525780)  Italy.  Observers G. Ierman,
   E. Pettarin, F. Piani, M. Vivona. Measurer E. Pettarin. 0.61-m f/4.0
   reflector + CCD.
(598) Loiano  (N44.259208 E11.334090)  Italy.  Observers A. Buzzoni, R.
   Gualandi. Measurers M. Micheli, D. Antonelli. 1.52-m f/8 Ritchey-Chrétien
   + CCD.
(703) Catalina Sky Survey  (N32.417006 W110.732640)  US/Arizona.  Observers
   A. R. Gibbs, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
   R. L. Seaman, F. C. Shelly. Measurers E. J. Christensen, D. C. Fuls, A. R.
   Gibbs, A. D. Grauer, J. A. Johnson. 0.68-m Schmidt + 10K CCD.
(970) Chelmsford  (N51.744716 E0.495400)  UK.  Observer N. James. 0.28-m f/10
   Schmidt-Cassegrain + CCD.
(C95) SATINO Remote Observatory, Haute Provence  (N43.932042 E5.712390)
   France.  Observer J. Jahn. 0.60-m f/3.2 Newtonian reflector + CCD.
(G96) Mt. Lemmon Survey  (N32.442754 W110.788720)  US/Arizona.  Observer A.
   R. Gibbs. Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D.
   Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G.
   Matheny, R. L. Seaman, F. C. Shelly. 1.5-m reflector + 10K CCD.
(I47) Pierre Auger Observatory, Malargüe  (S35.495442 W69.449700)  Argentina.
    Observer M. Mašek. 0.3-m f/10 reflector + CCD.
(J04) ESA Optical Ground Station, Tenerife  (N28.300924 W16.511830)  Canary
   Islands (Spain).  Observer D. Abreu. Measurers M. Micheli, D. Koschny, M.
   Busch, E. Schwab, A. Knöfel. 1.0-m f/4.4 reflector + CCD.
(J69) North Observatory, Clanfield  (N50.939014 W1.019700)  UK.  Observer D.
   Briggs. 0.41-m f/4.5 Newtonian reflector + CCD.
(J95) Great Shefford  (N51.474970 W1.447000)  UK.  Observer P. Birtwhistle.
   0.40-m f/6.0 Schmidt-Cassegrain + CCD.
(Q62) iTelescope Observatory, Siding Spring  (S31.273289 E149.064420)
   Australia/NSW.  Observers S. Foglia, L. Buzzi, P. Concari, C. Cremaschini,
   G. Galli, M. Tombelli. 0.15-m f/7 Refractor + CCD.
(T08) ATLAS-MLO, Mauna Loa  (N19.535772 W155.576400)  US/Hawaii.
(U69) iTelescope SRO Observatory, Auberry.  Observer R. Kniep. 0.61-m f/6.5 Corrected Dall-Kirkham + CCD.
(V03) Big Water  (N37.083379 W111.668600)  US/Utah.  Observer D. Rankin.
   0.30-m reflector + CCD.
(W85) Cerro Tololo-LCO A  (S30.167407 W70.804810)  Chile.  Observers T.
   Lister, S. Greenstreet, E. Gomez. Measurer T. Lister. 1.0-m f/8
   Ritchey-Chrétien + CCD.
(Y00) SONEAR Observatory, Oliveira  (S20.715082 W44.784960)  Brazil.
   Observers C. Jacques, E. Pimentel, J. Barros. Measurer C. Jacques. 0.28-m
   f/2.2 astrograph + CCD.
(Z80) Northolt Branch Observatory  (N51.554661 W0.371920)  UK.  Observer G.
   Wells. Measurer D. Bamberger. 0.25-m f/8 Ritchey-Chrétien + CCD.

Orbital elements (geocentric):  2016-055A = OSIRIS-REx
   Perigee 2017 Sep 22.703309 +/- 6.51e-6 TT = 16:52:45 (JD 2458019.203309)
Epoch 2017 Sep 22.0 TT = JDT 2458018.5                        Gray
q 23597.6211 +/- 0.963              (J2000 equator)
H   29.1  G 0.15                    Peri.  284.51279 +/- 0.0010
                                    Node   185.61687 +/- 0.000017
e   3.2983670 +/- 0.000195          Incl.   84.84516 +/- 0.00027
161 of 169 observations 2017 Sept. 16-22; mean residual 0".585

Orbital elements (heliocentric, before flyby):  2016-055A = OSIRIS-REx
   Perihelion 2017 Dec 10.254244 +/- 0.000433 TT =  6:06:06 (JD 2458097.754244)
Epoch 2017 Sep 15.0 TT = JDT 2458011.5   Earth MOID: 0.0002   Ve: 0.0626
M 275.59555 +/- 0.00056             (J2000 ecliptic)          Gray
n   0.97855412 +/- 1.63e-6          Peri.  286.82244 +/- 0.00011
a   1.00479966 +/- 1.12e-6          Node   175.57486 +/- 0.00010
e   0.2250079 +/- 4.75e-6           Incl.    0.16796 +/- 0.000006
P   1.01/367.88d           H 29.1   G  0.15   U  3.8
q 0.77871173 +/- 3.91e-6    Q 1.23088759 +/- 6.12e-6
161 of 169 observations 2017 Sept. 16-22; mean residual 0".585

Orbital elements (heliocentric, after flyby):  2016-055A = OSIRIS-REx
   Perihelion 2017 Nov 25.907360 +/- 0.000957 TT = 21:46:35 (JD 2458083.407360)
Epoch 2017 Sep 30.0 TT = JDT 2458026.5   Earth MOID: 0.0002   Gray
M 310.94487 +/- 0.0010              (J2000 ecliptic)
n   0.86201723 +/- 3.37e-6          Peri.   76.99429 +/- 0.0019
a   1.09343276 +/- 2.85e-6          Node   359.65265 +/- 0.000013
e   0.2020177 +/- 6.69e-6           Incl.    6.34401 +/- 0.00019
P   1.14/417.62d           H 29.1   G  0.15   U  4.3
q 0.87253990 +/- 9.04e-6    Q 1.31432561 +/- 5.55e-6
161 of 169 observations 2017 Sept. 16-22; mean residual 0".585

Residuals in arcseconds: 
170916 C95 .238+ 1.22-    170920 587 .017+ .414-    170922 J95 .278+ .300+
170916 V03 .447+ .467+    170920 587 .212- .215-    170922 598 .029+ .023-
170916 V03 .045+ .286-    170920 587 .178+ .651-    170922 J95 .252+ .160+
170916 J04 .218+ .346-    170921 J04 .314+ .014-    170922 Z80 .879- 1.51-
170916 J04 .360- .163-    170921 J04 .118+ .119-    170922 J95 .229+ .232+
170916 J04 .081- .189-    170921 J04 .163+ .059-    170922 Z80 .675- .947-
170918 C95 1.31- .020+    170921 J04 .074+ .004-    170922 J95 .110+ .405+
170918 C95 1.39- .420-    170921 J04 .264+ .215-    170922 Z80 1.89- 1.08-
170918 C95 .002- .547-    170921 J04 .094+ .046-    170922 Z80 1.87- 1.15-
170918 C95 .753- .092-    170921 247(2578+ 5697-)   170922 Z80 1.04- .905-
170918 C95 .655+ .217+    170921 247(2571+ 5707-)   170922 J95 .123+ .056+
170919 C95 .856+ .588-    170921 Q62 .184- .344-    170922 J95 .043+ .204+
170919 C95 1.02- .315+    170921 Q62 .274- .252-    170922 J95 .136+ .548+
170919 J04 .924- .540+    170921 Q62 .360- .173-    170922 J95 .252+ .202+
170919 J04 .469- .102-    170921 Q62 .556- .439-    170922 I47 .692- 1.08-
170919 C95 .969+ .133+    170921 Q62 .507- .285-    170922 I47 .413- .023-
170919 J04 .398- .253+    170921 Q62 .001- .057+    170922 I47 .448- .639-
170919 J04 .197- .304+    170921 247( 697+ 7418-)   170922 I47 .015- .599-
170919 C95 1.00+ .607+    170921 247( 686+ 7428-)   170922 G96 .136- .077+
170919 C95 .655+ .338-    170921 247( 678+ 7433-)   170922 G96 .157+ .293+
170919 C95 .723+ .505+    170921 587 .018+ .008+    170922 G96 .154+ .117+
170919 C95 .003- .204-    170921 587 .071+ .341+    170922 G96 .010- .107+
170919 C95 1.20+ .817-    170921 587 .079+ .342+    170922 G96 .259+ .584+
170919 C95 .720- .002-    170921 587 .179+ .445+    170922 G96 .073+ .665+
170919 C95 .117- .662+    170921 595 .962+ .185-    170922 G96 .226+ .303+
170919 C95 .323+ .437+    170921 595 .446+ .064+    170922 G96 .044+ .291+
170919 C95 .040- .122-    170921 595 .039- .153-    170922 W85 .185+ .647+
170919 970 .548+ .373-    170921 595 .103+ .365+    170922 W85 .177+ .458+
170919 970 .100+ .328-    170921 595 .424+ .518+    170922 W85 .147+ .165+
170919 C95 .353- .339-    170921 595 .322+ .093-    170922 W85 .186+ .077+
170919 C95 1.00+ .682+    170921 598 .018+ .141-    170922 W85 .196+ .758+
170919 C95 .548- 1.85+    170921 595 .395+ .067-    170922 W85 .282+ .271+
170920 C95 1.22+ .374+    170921 598 .195+ .098+    170922 W85 .215+ .405+
170920 C95 1.37- 1.20-    170921 598 .050+ .041+    170922 W85 .158+ .811+
170920 C95 1.48- 1.21+    170921 598 .004+ .000     170922 W85 .260+ .490+
170920 C95 .352+ .555+    170921 J69 .330- 1.11-    170922 W85 .274+ .451+
170920 C95 .811+ .222+    170921 J69 .275- 1.13-    170922 W85 .028- .431+
170920 C95 .516- .682+    170921 J95 .133+ .153+    170922 W85 .103+ .329+
170920 C95 .414- .764-    170921 J95 .054- .076+    170922 W85 .190+ .489+
170920 Y00 .180- .405+    170921 J69 .066- 1.03-    170922 W85 .054+ .399+
170920 C95 .048- .091+    170921 J95 .120+ .119+    170922 W85 .158+ .508+
170920 Y00 .204- .289+    170921 J69 .150- 1.23-    170922 W85 .077+ .213+
170920 Y00 .185+ .111+    170921 J95 .181+ .094+    170922 W85 .101+ .282+
170920 703 .252- .622-    170921 J69 .229- 1.19-    170922 W85 .011+ .282+
170920 703 .196- .069-    170921 598 .009+ .036-    170922 G96 .037+ .587+
170920 703 .571+ .055+    170921 J69 .307- 1.15-    170922 G96 .339+ .585+
170920 703 .056+ .181+    170921 J69 .313- 1.15-    170922 G96 .184+ .587+
170920 U69(60.8-  585-)   170921 J69 .474- .988-    170922 G96 .157- .215-
170920 U69(82.1-  587-)   170921 J69 .369- 1.02-    170922 Q62 .160+ 1.99-
170920 U69( 119-  587-)   170921 J69 .361- 1.21-    170922 Q62 .160- 1.70-
170920 T08 1.20+ .281+    170921 598 .018- .026+    170922 Q62 .339- 1.48-
170920 T08 .563- 1.10-    170921 598 .004- .018+    170922 Q62 .180+ 1.64-
170920 T08 .794+ .258+    170921 598 .012- .034+    170922 Q62 .094- 2.05-
170920 T08 .535- .500-    170921 598 .119+ .096+    170922 Q62 .344+ 1.89-
170920 204 .071- .033+    170922 598 .010- .061-    170922 Q62 .137+ 1.40-
170920 204 .115+ .103-    170922 598 .135+ .071+
170920 204 .137- .123-    170922 Z80 .722- 1.14-

Ephemerides (geocentric):
Date (UTC) HH   RA              Dec         delta   r     elong  mag " sig PA
---- -- -- --  ------------   ------------  ------ ------ -----  --- ---- ---
2017 09 16 00  00 21 14.239   +02 35 08.54  .02455 1.0294 167.2 21.9  .08 162
2017 09 16 02  00 21 14.884   +02 34 49.54  .02424 1.0291 167.3 21.8  .08 162
2017 09 16 04  00 21 15.523   +02 34 29.91  .02394 1.0288 167.3 21.8  .08 162
2017 09 16 06  00 21 16.157   +02 34 09.64  .02363 1.0284 167.4 21.8  .08 162
2017 09 16 08  00 21 16.787   +02 33 48.69  .02333 1.0281 167.5 21.8  .07 162
2017 09 16 10  00 21 17.411   +02 33 27.05  .02302 1.0278 167.6 21.7  .07 162
2017 09 16 12  00 21 18.030   +02 33 04.68  .02272 1.0275 167.7 21.7  .07 162
2017 09 16 14  00 21 18.645   +02 32 41.57  .02241 1.0272 167.8 21.7  .07 162
2017 09 16 16  00 21 19.255   +02 32 17.68  .02211 1.0269 167.8 21.6  .07 162
2017 09 16 18  00 21 19.861   +02 31 52.99  .02180 1.0266 167.9 21.6  .07 162
2017 09 16 20  00 21 20.463   +02 31 27.45  .02150 1.0262 168.0 21.6  .07 162
2017 09 16 22  00 21 21.061   +02 31 01.05  .02119 1.0259 168.1 21.5  .07 162
2017 09 17 00  00 21 21.656   +02 30 33.73  .02089 1.0256 168.2 21.5  .07 162
2017 09 17 02  00 21 22.247   +02 30 05.48  .02059 1.0253 168.2 21.5  .07 162
2017 09 17 04  00 21 22.835   +02 29 36.24  .02028 1.0250 168.3 21.4  .07 162
2017 09 17 06  00 21 23.420   +02 29 05.97  .01998 1.0247 168.4 21.4  .07 162
2017 09 17 08  00 21 24.002   +02 28 34.63  .01967 1.0244 168.5 21.3  .07 162
2017 09 17 10  00 21 24.583   +02 28 02.18  .01937 1.0240 168.6 21.3  .07 162
2017 09 17 12  00 21 25.161   +02 27 28.55  .01907 1.0237 168.7 21.3  .07 162
2017 09 17 14  00 21 25.738   +02 26 53.71  .01876 1.0234 168.7 21.2  .07 162
2017 09 17 16  00 21 26.314   +02 26 17.58  .01846 1.0231 168.8 21.2  .07 162
2017 09 17 18  00 21 26.889   +02 25 40.12  .01816 1.0228 168.9 21.1  .07 162
2017 09 17 20  00 21 27.463   +02 25 01.25  .01785 1.0225 169.0 21.1  .07 162
2017 09 17 22  00 21 28.037   +02 24 20.90  .01755 1.0222 169.1 21.1  .07 162
2017 09 18 00  00 21 28.612   +02 23 39.01  .01725 1.0218 169.2 21.0  .07 162
2017 09 18 02  00 21 29.188   +02 22 55.48  .01694 1.0215 169.2 21.0  .07 162
2017 09 18 04  00 21 29.766   +02 22 10.24  .01664 1.0212 169.3 20.9  .07 162
2017 09 18 06  00 21 30.346   +02 21 23.20  .01634 1.0209 169.4 20.9  .07 162
2017 09 18 08  00 21 30.928   +02 20 34.25  .01603 1.0206 169.5 20.9  .07 161
2017 09 18 10  00 21 31.514   +02 19 43.28  .01573 1.0203 169.6 20.8  .07 161
2017 09 18 12  00 21 32.105   +02 18 50.20  .01543 1.0199 169.7 20.8  .06 161
2017 09 18 14  00 21 32.700   +02 17 54.85  .01512 1.0196 169.7 20.7  .06 161
2017 09 18 16  00 21 33.301   +02 16 57.13  .01482 1.0193 169.8 20.7  .06 161
2017 09 18 18  00 21 33.909   +02 15 56.87  .01452 1.0190 169.9 20.6  .06 161
2017 09 18 20  00 21 34.525   +02 14 53.93  .01421 1.0187 170.0 20.6  .06 161
2017 09 18 22  00 21 35.149   +02 13 48.12  .01391 1.0184 170.1 20.5  .06 161
2017 09 19 00  00 21 35.784   +02 12 39.27  .01361 1.0180 170.2 20.5  .06 161
2017 09 19 02  00 21 36.429   +02 11 27.17  .01331 1.0177 170.3 20.4  .06 161
2017 09 19 04  00 21 37.088   +02 10 11.60  .01300 1.0174 170.4 20.4  .06 161
2017 09 19 06  00 21 37.760   +02 08 52.31  .01270 1.0171 170.4 20.3  .06 161
2017 09 19 08  00 21 38.449   +02 07 29.03  .01240 1.0168 170.5 20.2  .06 161
2017 09 19 10  00 21 39.155   +02 06 01.48  .01209 1.0164 170.6 20.2  .06 160
2017 09 19 12  00 21 39.881   +02 04 29.32  .01179 1.0161 170.7 20.1  .06 160
2017 09 19 14  00 21 40.629   +02 02 52.19  .01149 1.0158 170.8 20.1  .05 160
2017 09 19 16  00 21 41.402   +02 01 09.71  .01119 1.0155 170.9 20.0  .05 160
2017 09 19 18  00 21 42.201   +01 59 21.42  .01088 1.0152 171.0 19.9  .05 160
2017 09 19 20  00 21 43.031   +01 57 26.83  .01058 1.0148 171.1 19.9  .05 160
2017 09 19 22  00 21 43.894   +01 55 25.39  .01028 1.0145 171.1 19.8  .05 160
2017 09 20 00  00 21 44.795   +01 53 16.49  .00998 1.0142 171.2 19.7  .05 159
2017 09 20 02  00 21 45.737   +01 50 59.42  .00967 1.0139 171.3 19.7  .05 159
2017 09 20 04  00 21 46.725   +01 48 33.41  .00937 1.0136 171.4 19.6  .05 159
2017 09 20 06  00 21 47.766   +01 45 57.55  .00907 1.0132 171.5 19.5  .04 159
2017 09 20 08  00 21 48.864   +01 43 10.84  .00876 1.0129 171.6 19.4  .04 158
2017 09 20 10  00 21 50.028   +01 40 12.11  .00846 1.0126 171.7 19.4  .04 158
2017 09 20 12  00 21 51.265   +01 37 00.03  .00816 1.0123 171.8 19.3  .04 158
2017 09 20 14  00 21 52.585   +01 33 33.06  .00786 1.0120 171.9 19.2  .04 157
2017 09 20 16  00 21 53.998   +01 29 49.42  .00755 1.0116 172.0 19.1  .04 157
2017 09 20 18  00 21 55.517   +01 25 47.01  .00725 1.0113 172.1 19.0  .03 156
2017 09 20 20  00 21 57.158   +01 21 23.39  .00695 1.0110 172.2 18.9  .03 156
2017 09 20 22  00 21 58.937   +01 16 35.65  993934 1.0107 172.3 18.8  .03 155
2017 09 21 00  00 22 00.876   +01 11 20.34  948573 1.0104 172.4 18.7  .03 154
2017 09 21 02  00 22 02.999   +01 05 33.30  903197 1.0100 172.5 18.6  .02 159
2017 09 21 04  00 22 05.338   +00 59 09.48  857803 1.0097 172.6 18.5  .02 159
2017 09 21 06  00 22 07.930   +00 52 02.72  812389 1.0094 172.7 18.3  .02 158
2017 09 21 08  00 22 10.820   +00 44 05.36  766952 1.0091 172.7 18.2  .01 157
2017 09 21 10  00 22 14.068   +00 35 07.84  721489 1.0087 172.8 18.1  .01 156
2017 09 21 12  00 22 17.746   +00 24 57.97  675997 1.0084 172.9 17.9  .01 153
2017 09 21 14  00 22 21.949   +00 13 20.05  630470 1.0081 173.0 17.8  .00 118
2017 09 21 16  00 22 26.802   -00 00 06.56  584903 1.0078 173.1 17.6  .00 164
2017 09 21 18  00 22 32.473   -00 15 49.54  539290 1.0074 173.2 17.4  .01 160
2017 09 21 20  00 22 39.190   -00 34 26.85  493623 1.0071 173.2 17.2  .01 157
2017 09 21 22  00 22 47.279   -00 56 52.12  447891 1.0068 173.2 17.0  .02 155
2017 09 22 00  00 22 57.213   -01 24 23.57  402082 1.0065 173.2 16.8  .03 152
2017 09 22 02  00 23 09.714   -01 59 00.12  356180 1.0061 173.1 16.5  .03 148
2017 09 22 04  00 23 25.939   -02 43 51.86  310163 1.0058 172.9 16.2  .03 140
2017 09 22 06  00 23 47.869   -03 44 23.10  264003 1.0055 172.5 15.9  .03 120
2017 09 22 08  00 24 19.221   -05 10 36.94  217662 1.0051 171.7 15.5  .04  66
2017 09 22 10  00 25 07.906   -07 23 39.37  171089 1.0048 170.1 15.1  .10  22
2017 09 22 12  00 26 34.495   -11 16 41.80  124235 1.0045 166.9 14.5  .36   6
2017 09 22 14  00 29 56.347   -19 53 12.69   77213 1.0041 158.8 13.7  1.5 179
2017 09 22 16  00 50 18.729   -53 18 28.71   32924 1.0037 125.8 12.8 11.8 173
2017 09 22 18  12 16 44.757   -15 28 11.33   38239 1.0033  16.2 23?? 14.1   6
2017 09 22 20  12 26 25.964   +10 47 12.68   83635 1.0030  12.7 27??  5.4   5
2017 09 22 22  12 29 21.481   +18 20 28.38  130664 1.0027  19.7 24??  3.8   4
2017 09 23 00  12 30 49.298   +21 53 56.02  177476 1.0024  23.1 24??  3.2   3
2017 09 23 02  12 31 42.614   +23 58 24.41  224011 1.0021  25.2 24??  2.9   3
2017 09 23 04  12 32 18.632   +25 20 05.72  270320 1.0018  26.5 24??  2.8   2
2017 09 23 06  12 32 44.687   +26 17 53.52  316452 1.0016  27.5 24??  2.7   2
2017 09 23 08  12 33 04.452   +27 00 58.44  362441 1.0013  28.2 24??  2.6   2
2017 09 23 10  12 33 19.976   +27 34 20.65  408315 1.0010  28.8 25??  2.5   2
2017 09 23 12  12 33 32.494   +28 00 57.85  454095 1.0007  29.2 25??  2.5   2
2017 09 23 14  12 33 42.799   +28 22 42.02  499795 1.0004  29.6 25??  2.5   2
2017 09 23 16  12 33 51.424   +28 40 47.26  545428 1.0002  29.9 25??  2.4   2
2017 09 23 18  12 33 58.744   +28 56 04.55  591004 0.9999  30.2 25??  2.4   2
2017 09 23 20  12 34 05.026   +29 09 10.15  636530 0.9996  30.4 25??  2.4   2
2017 09 23 22  12 34 10.471   +29 20 30.55  682013 0.9993  30.6 25??  2.4   2
2017 09 24 00  12 34 15.229   +29 30 25.55  727458 0.9990  30.8 25??  2.4   2
2017 09 24 02  12 34 19.418   +29 39 10.26  772869 0.9988  30.9 25??  2.4   2
2017 09 24 04  12 34 23.127   +29 46 56.39  818251 0.9985  31.1 26??  2.4   2
2017 09 24 06  12 34 26.431   +29 53 53.21  863606 0.9982  31.2 26??  2.4   2