"Pseudo-MPEC" for XB17DFE

Created 2017 Feb 27 3:32:34 UT using Find_Orb

Astrometry:
     XB17DFE  C2016 01 31.23980 07 59 47.14 +03 52 34.6          17.8 Vq     703
     XB17DFE  C2016 01 31.24985 08 00 51.89 +03 48 24.4          17.5 Vq     703
     XB17DFE  C2016 01 31.25486 08 01 23.94 +03 46 20.0          18.3 Vq     703
     XB17DFE  C2016 01 31.27843 08 03 52.02 +03 36 22.6                q     703
     XB17DFE  C2016 01 31.28294 08 04 20.02 +03 34 25.6                q     703
     XB17DFE  C2016 01 31.28629 08 04 41.60 +03 32 53.5          17.8 Vq     G96
     XB17DFE  C2016 01 31.28748 08 04 48.20 +03 32 27.3                q     703
     XB17DFE  C2016 01 31.28962 08 05 02.29 +03 31 26.9          17.8 Vq     G96
     XB17DFE  C2016 01 31.29203 08 05 16.37 +03 30 29.7                q     703
     XB17DFE  C2016 01 31.29296 08 05 22.95 +03 29 59.9          17.7 Vq     G96
     XB17DFE  C2016 01 31.29633 08 05 43.82 +03 28 32.1          17.7 Vq     G96
     XB17DFE  C2016 01 31.37263 08 13 43.72 +02 54 06.0          17.9 Vq     G96
     XB17DFE  C2016 01 31.37607 08 14 06.19 +02 52 30.2          17.8 Vq     G96
     XB17DFE  C2016 01 31.37951 08 14 28.77 +02 50 54.4          17.9 Vq     G96
     XB17DFE  C2016 01 31.38294 08 14 51.47 +02 49 18.3          17.8 Vq     G96
     XB17DFE  C2016 01 31.40650 08 17 30.20 +02 38 17.4                q     703
     XB17DFE  C2016 01 31.41238 08 18 11.05 +02 35 32.4                q     703
     XB17DFE  C2016 01 31.42414 08 19 34.46 +02 29 55.3          18.1 Vq     703

Station data:
(703) Catalina Sky Survey (N32.417003 W110.732640)  US/Arizona.  Observers
   E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
   R. A. Kowalski, S. M. Larson, F. C. Shelly. 0.68 m Schmidt + CCD.
(G96) Mt. Lemmon Survey (N32.442751 W110.788720)  US/Arizona.  Observers E.
   J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson, R.
   A. Kowalski, S. M. Larson, F. C. Shelly. 1.5-m reflector + CCD.

Orbital elements:  XB17DFE
   Perigee 2016 Jan 30.418115 +/- 0.005 TT = 10:02:05 (JD 2457417.918115)
Epoch 2016 Jan 31.0 TT = JDT 2457418.5                        Gray
M 102.9564955 +/- 0.38              (J2000 equatorial)
n 176.9360794050 +/- 0.916          Peri.  338.5157119 +/- 0.039
a 67825.432682 +/- 234              Node   328.3766135 +/- 0.035
e   0.726599435 +/- 0.00162         Incl.   10.9992887 +/- 0.0026
P2929.82m/2.035d           H 32.6   G  0.15   U 12.7  
q 18543.511589 +/- 173    Q 117107.35377 +/- 294
From 18 observations 2016 Jan. 31 (4.4 hr); mean residual 0".781
Residuals in arcseconds: 
160131 703 .973- .664+    160131 703 1.09- .452-    160131 G96 .137- .216-    
160131 703 .262- .747-    160131 G96 1.21+ .317-    160131 G96 .674- .091+    
160131 703 1.32+ 5.1m-    160131 703 1.56- .362+    160131 G96 .239- .015+    
160131 703 .075- .966+    160131 G96 .690+ .274-    160131 703 .653- .768-    
160131 703 .987- .242+    160131 G96 .787+ .045+    160131 703 1.00- 1.35+    
160131 G96 .674+ .206-    160131 G96 .303+ .320-    160131 703 2.10+ .151-    

Ephemerides (geocentric):
Date (UTC) HH   RA              Dec         delta   r     elong  mag " sig PA
---- -- -- --  ------------   ------------  ------ ------ -----  --- ---- ---
2016 01 31 00  07 11 46.981   +07 11 05.55  101666 .98571 153.6 18.0   97 103
2016 01 31 01  07 20 30.905   +06 51 41.94  104573 .98574 155.4 18.0   72 105
2016 01 31 02  07 28 47.354   +06 32 45.12  107152 .98577 157.0 18.0   53 109
2016 01 31 03  07 36 41.249   +06 14 10.23  109415 .98579 158.5 18.0   38 115
2016 01 31 04  07 44 16.658   +05 55 52.69  111373 .98582 159.8 18.0   27 124
2016 01 31 05  07 51 37.009   +05 37 48.21  113034 .98584 161.0 18.0   19 138
2016 01 31 06  07 58 45.252   +05 19 52.71  114405 .98586 162.1 18.0   15 160
2016 01 31 07  08 05 43.979   +05 02 02.27  115491 .98588 163.1 18.0   14   5
2016 01 31 08  08 12 35.514   +04 44 13.02  116298 .98589 163.9 17.9   15  26
2016 01 31 09  08 19 21.993   +04 26 21.14  116828 .98590 164.6 17.9   18  40
2016 01 31 10  08 26 05.421   +04 08 22.78  117083 .98591 165.1 17.9   21  50
2016 01 31 11  08 32 47.730   +03 50 13.93  117063 .98592 165.4 17.9   25  57
2016 01 31 12  08 39 30.825   +03 31 50.43  116770 .98592 165.6 17.9   29  62
2016 01 31 13  08 46 16.634   +03 13 07.84  116202 .98592 165.6 17.9   34  67
2016 01 31 14  08 53 07.158   +02 54 01.34  115357 .98592 165.4 17.9   40  71
2016 01 31 15  09 00 04.524   +02 34 25.64  114231 .98592 165.0 17.9   47  75
2016 01 31 16  09 07 11.048   +02 14 14.79  112820 .98592 164.4 17.9   56  79
2016 01 31 17  09 14 29.309   +01 53 22.07  111118 .98591 163.6 17.8   67  82
2016 01 31 18  09 22 02.244   +01 31 39.73  109119 .98590 162.7 17.8   81  85
2016 01 31 19  09 29 53.266   +01 08 58.69  106812 .98588 161.5 17.8   99  88
2016 01 31 20  09 38 06.431   +00 45 08.19  104188 .98587 160.2 17.8  123  90
2016 01 31 21  09 46 46.651   +00 19 55.27  101235 .98585 158.6 17.8  152  92
2016 01 31 22  09 56 00.011   -00 06 55.90   97937 .98583 156.9 17.8  190  93
2016 01 31 23  10 05 54.212   -00 35 45.03   94275 .98580 154.9 17.8  240  95
2016 02 01 00  10 16 39.243   -01 06 57.01   90230 .98577 152.7 17.7  306  96
2016 02 01 01  10 28 28.407   -01 41 03.90   85775 .98574 150.2 17.7  393  97
2016 02 01 02  10 41 39.968   -02 18 47.85   80879 .98570 147.3 17.7  511  98
2016 02 01 03  10 56 39.912   -03 01 05.40   75506 .98566 143.9 17.6  676  98
2016 02 01 04  11 14 06.818   -03 49 14.00   69610 .98562 139.9 17.5  914  98
2016 02 01 05  11 35 01.041   -04 45 01.58   63138 .98556 135.0 17.5 1272  99
2016 02 01 06  12 01 03.455   -05 50 58.56   56027 .98551 128.8 17.4 1842  98
2016 02 01 07  12 35 17.675   -07 10 21.20   48212 .98544 120.6 17.3 2823  98
2016 02 01 08  13 23 57.410   -08 45 47.91   39663 .98537 109.0 17.2 4709  96
2016 02 01 09  14 41 35.296   -10 27 26.80   30539 .98529  90.4 17.3 8909  93
2016 02 01 10  17 04 44.356   -10 28 09.89   21973 .98522  56.5 18?? 321'  87
2016 02 01 11  21 09 43.078   -02 06 44.27   18672 .98518  15.5 26?? 523'  79
2016 02 01 12  00 43 01.165   +07 27 08.71   24366 .98523  61.0 18.4 355'  82
2016 02 01 13  02 39 05.153   +10 25 21.41   33369 .98531  88.8 17.6 205'  87
2016 02 01 14  03 46 00.456   +10 58 41.57   42364 .98539 104.7 17.5 8151  90
2016 02 01 15  04 30 05.839   +10 50 51.81   50692 .98547 115.1 17.6 6010  92
2016 02 01 16  05 02 06.289   +10 30 24.98   58285 .98554 122.6 17.6 4764  93
2016 02 01 17  05 26 56.515   +10 06 12.12   65193 .98561 128.4 17.7 3964  94
2016 02 01 18  05 47 08.862   +09 41 17.56   71483 .98567 133.1 17.8 3414  95
2016 02 01 19  06 04 10.191   +09 16 48.40   77214 .98573 137.0 17.8 3015  96
2016 02 01 20  06 18 53.932   +08 53 07.75   82436 .98578 140.3 17.9 2714  96
2016 02 01 21  06 31 54.964   +08 30 21.14   87194 .98583 143.3 17.9 2481  97
2016 02 01 22  06 43 37.168   +08 08 26.85   91520 .98588 145.9 18.0 2296  97
2016 02 01 23  06 54 17.556   +07 47 20.33   95446 .98592 148.2 18.0 2146  98
2016 02 02 00  07 04 08.648   +07 26 56.04   98994 .98596 150.3 18.0 2023  98
2016 02 02 01  07 13 19.929   +07 07 08.32  102185 .98599 152.3 18.0 1921  98