"Pseudo-MPEC" for P21WLp9
Created 2024 Aug 3 4:22:15 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P21WLp9* C2024 08 01.47781523 29 56.206+30 18 22.08 ~81Gq 20.86wXNEOCPF52
P21WLp9 C2024 08 01.48894423 30 03.898+30 17 19.22 ~81Gq 21.34wXNEOCPF52
P21WLp9 C2024 08 01.50006723 30 11.660+30 16 15.24 ~81Gq 21.39wXNEOCPF52
P21WLp9 C2024 08 01.51121123 30 19.307+30 15 11.44 ~81Gq 20.92wXNEOCPF52
P21WLp9 KC2024 08 01.95560 23 36 37.08 +29 24 33.9 ~81Nq 19.6 GXNEOCPL51
P21WLp9 KC2024 08 01.95663 23 36 37.97 +29 24 26.3 ~81Nq 20.3 GXNEOCPL51
P21WLp9 KC2024 08 01.95774 23 36 38.97 +29 24 18.4 ~81Nq 19.7 GXNEOCPL51
P21WLp9 KC2024 08 02.01116623 37 30.554+29 17 05.39 ~820q 20.8 GVNEOCPJ95
P21WLp9 KC2024 08 02.01519423 37 34.186+29 16 35.54 ~820q 20.1 GVNEOCPJ95
P21WLp9 KB2024 08 02.06540623 38 19.54 +29 10 44.3 ~822b 20.4 GXNEOCPI93
P21WLp9 KB2024 08 02.07560423 38 28.66 +29 09 26.3 ~822b 20.4 GXNEOCPI93
P21WLp9 KB2024 08 02.08569723 38 37.69 +29 08 06.9 ~822b XNEOCPI93
P21WLp9 KC2024 08 02.29981823 42 17.49 +28 38 36.5 ~82Fq 20.4 GVNEOCPH21
P21WLp9 KC2024 08 02.30261323 42 20.24 +28 38 12.7 ~82Fq 20.7 GVNEOCPH21
P21WLp9 KC2024 08 02.30540923 42 23.00 +28 37 48.5 ~82Fq 21.0 GVNEOCPH21
P21WLp9 KC2024 08 02.30820423 42 25.70 +28 37 24.1 ~82Fq 20.8 GVNEOCPH21
P21WLp9 KC2024 08 02.31100023 42 28.45 +28 36 59.9 ~82Fq 20.6 GVNEOCPH21
Station data:
(F52) Pan-STARRS 2, Haleakala (N20.707382 W156.255910) US/Hawaii.
Observers J. Bulger, T. Dukes, T. Lowe, A. Schultz, M. Willman. Measurers
K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. Fairlamb, H.
Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
R. Weryk. 1.8-m Ritchey-Chrétien + CCD.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.76-m f/3.0 astrograph + CCD0.81-m f/4.0 astrograph +
CCD0.61-m f/4.5 astrograph + CCD0.40-m f/5.32 astrograph + CCD.
(I93) St Pardon de Conques (N44.558670 W0.202960) France. Observers F.
Losse, W. D'Anna. Measurer F. Losse. 0.40-m f/3.7 reflector + CCD.
(J95) Great Shefford (N51.474969 W1.447003) UK/England. Observer P.
Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain + CCD.
(L51) MARGO, Nauchnij (N44.729397 E34.016400) Ukraine. Observer G. Borisov.
0.4-m f/2.3 astrograph + CCD.
Orbital elements: P21WLp9
Perihelion 2024 Oct 25.51997 +/- 0.103 TT = 12:28:45 (JD 2460609.01997)
Epoch 2024 Aug 2.0 TT = JDT 2460524.5 Earth MOID: 0.0043 AutoNEOCP
M 248.41415378 +/- 0.18 (J2000 ecliptic)
n 1.32023048 +/- 0.000638 Peri. 323.46442 +/- 0.06
a 0.82294260 +/- 0.000265 Node 133.63219 +/- 0.0041
e 0.4043825 +/- 0.00064 Incl. 27.46654 +/- 0.10
P 0.747/272.675d H 25.48 G 0.15 U 7.8
q 0.49015894 +/- 0.000408 Q 1.15572626 +/- 0.000857
From 17 observations 2024 Aug. 1-2 (20.0 hr); mean residual 0".37
Residuals in arcseconds: 240801 F52 .01- .21+ 240801 L51 .82+ .66- 240802 H21 .28+ .09+ 240801 F52 .15- .12+ 240802 J95 .32- .21+ 240802 H21 .33+ .33+ 240801 F52 .61+ .39- 240802 J95 .10+ .08- 240802 H21 .48+ .24+ 240801 F52 .42- .16+ 240802 I93 .08- .24+ 240802 H21 .17- .00 240801 L51 .06+ .55- 240802 I93 .04+ .47+ 240802 H21 .20- .03+ 240801 L51 .17+ .75- 240802 I93 .09- .80- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2024 08 03 04 00 00 49.903 +25 55 16.12 .03036 1.0289 117.2 20.1 2.36 105 2024 08 03 05 00 01 55.976 +25 44 59.44 .03000 1.0287 117.1 20.1 2.62 106 2024 08 03 06 00 03 03.436 +25 34 25.87 .02964 1.0285 117.0 20.1 2.90 107 2024 08 03 07 00 04 12.326 +25 23 34.79 .02929 1.0283 117.0 20.1 3.20 109 2024 08 03 08 00 05 22.687 +25 12 25.53 .02893 1.0281 116.9 20.0 3.53 110 2024 08 03 09 00 06 34.565 +25 00 57.41 .02858 1.0279 116.9 20.0 3.87 111 2024 08 03 10 00 07 48.004 +24 49 09.72 .02822 1.0277 116.8 20.0 4.24 111 2024 08 03 11 00 09 03.053 +24 37 01.69 .02787 1.0275 116.7 20.0 4.64 112 2024 08 03 12 00 10 19.761 +24 24 32.56 .02752 1.0273 116.7 19.9 5.06 113 2024 08 03 13 00 11 38.178 +24 11 41.49 .02717 1.0271 116.6 19.9 5.52 114 2024 08 03 14 00 12 58.358 +23 58 27.64 .02682 1.0269 116.5 19.9 6.00 114 2024 08 03 15 00 14 20.355 +23 44 50.10 .02647 1.0267 116.4 19.9 6.52 115 2024 08 03 16 00 15 44.226 +23 30 47.94 .02613 1.0265 116.3 19.8 7.07 116 2024 08 03 17 00 17 10.031 +23 16 20.17 .02578 1.0263 116.2 19.8 7.65 116 2024 08 03 18 00 18 37.830 +23 01 25.78 .02544 1.0261 116.1 19.8 8.28 117 2024 08 03 19 00 20 07.686 +22 46 03.69 .02509 1.0259 116.0 19.8 8.95 117 2024 08 03 20 00 21 39.666 +22 30 12.77 .02475 1.0257 115.9 19.7 9.66 118 2024 08 03 21 00 23 13.837 +22 13 51.86 .02441 1.0255 115.8 19.7 10.4 119 2024 08 03 22 00 24 50.270 +21 56 59.72 .02407 1.0253 115.7 19.7 11.2 119 2024 08 03 23 00 26 29.038 +21 39 35.08 .02374 1.0251 115.6 19.7 12.1 119 2024 08 04 00 00 28 10.217 +21 21 36.61 .02340 1.0249 115.4 19.6 13.0 120 2024 08 04 01 00 29 53.884 +21 03 02.89 .02307 1.0247 115.3 19.6 14.0 120 2024 08 04 02 00 31 40.122 +20 43 52.47 .02274 1.0245 115.2 19.6 15.0 121 2024 08 04 03 00 33 29.015 +20 24 03.83 .02241 1.0243 115.0 19.5 16.1 121 2024 08 04 04 00 35 20.649 +20 03 35.38 .02208 1.0241 114.9 19.5 17.3 122 2024 08 04 05 00 37 15.114 +19 42 25.46 .02176 1.0239 114.7 19.5 18.5 122 2024 08 04 06 00 39 12.504 +19 20 32.34 .02143 1.0237 114.5 19.5 19.8 122 2024 08 04 07 00 41 12.914 +18 57 54.25 .02111 1.0235 114.3 19.4 21.2 123 2024 08 04 08 00 43 16.445 +18 34 29.29 .02080 1.0232 114.1 19.4 22.7 123 2024 08 04 09 00 45 23.199 +18 10 15.55 .02048 1.0230 113.9 19.4 24.3 124 2024 08 04 10 00 47 33.282 +17 45 11.02 .02017 1.0228 113.7 19.4 26.0 124 2024 08 04 11 00 49 46.802 +17 19 13.61 .01986 1.0226 113.5 19.3 27.7 124 2024 08 04 12 00 52 03.874 +16 52 21.18 .01955 1.0224 113.3 19.3 29.6 125 2024 08 04 13 00 54 24.611 +16 24 31.50 .01925 1.0222 113.0 19.3 31.6 125 2024 08 04 14 00 56 49.134 +15 55 42.31 .01894 1.0220 112.8 19.3 33.8 125 2024 08 04 15 00 59 17.564 +15 25 51.26 .01865 1.0218 112.5 19.2 36.0 126 2024 08 04 16 01 01 50.027 +14 54 55.96 .01835 1.0216 112.2 19.2 38.4 126 2024 08 04 17 01 04 26.650 +14 22 53.97 .01806 1.0214 111.9 19.2 40.9 126 2024 08 04 18 01 07 07.565 +13 49 42.80 .01778 1.0212 111.6 19.2 43.6 126 2024 08 04 19 01 09 52.906 +13 15 19.95 .01749 1.0210 111.3 19.1 46.5 127 2024 08 04 20 01 12 42.807 +12 39 42.89 .01721 1.0208 110.9 19.1 49.5 127 2024 08 04 21 01 15 37.408 +12 02 49.11 .01694 1.0206 110.6 19.1 52.6 127 2024 08 04 22 01 18 36.847 +11 24 36.10 .01667 1.0204 110.2 19.1 56.0 128 2024 08 04 23 01 21 41.267 +10 45 01.40 .01641 1.0201 109.8 19.0 59.5 128 2024 08 05 00 01 24 50.808 +10 04 02.62 .01615 1.0199 109.4 19.0 63.2 128 2024 08 05 01 01 28 05.613 +09 21 37.47 .01590 1.0197 108.9 19.0 67.1 128 2024 08 05 02 01 31 25.822 +08 37 43.77 .01565 1.0195 108.5 19.0 71.2 129 2024 08 05 03 01 34 51.578 +07 52 19.52 .01541 1.0193 108.0 19.0 75.5 129