[Iaude] MPEC Y94: 2020 XA5 [a=0.82,e=0.38,i=4.4,H=24.30]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Thu Dec 28 09:10:50 EST 2023
M.P.E.C. 2023-Y94 Issued 2023 December 28, 14:09 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 XA5
Revision to MPEC 2020-X161
Additional Observations:
K20X05A C2017 11 24.45018704 53 37.152-19 13 35.91 21.63GVEY094F51
K20X05A C2017 11 24.46122504 53 30.866-19 13 19.04 21.18GVEY094F51
K20X05A C2023 12 05.58405108 15 00.204-00 19 43.89 22.20GVEY094F51
K20X05A C2023 12 12.56371807 56 42.750-01 31 26.98 22.88GVEY094F51
K20X05A C2023 12 12.57641307 56 40.058-01 31 33.97 VEY094F51
K20X05A C2023 12 12.58805607 56 37.553-01 31 40.19 22.66GVEY094F51
K20X05A 7C2023 12 26.02541806 51 51.035-02 40 15.27 VEY094Z84
K20X05A 7C2023 12 26.05350006 51 39.639-02 40 14.55 21.3 GVEY094Z84
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
Z84 Calar Alto-Schmidt. Observers F. Ocana, R. Kresken, M. Micheli, L.
Conversi. Measurers F. Ocana, M. Micheli. 0.8-m f/3 Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
171124 F51 80.4+ 32.0+ 231226 Z84 64.2+ 0.6+ MPO782727 -0.00 days
Orbital elements:
2020 XA5 Earth MOID = 0.0259 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 61.63869 (2000.0) P Q
n 1.32576943 Peri. 118.63188 -0.07867388 +0.99601603
a 0.8206489 Node 146.77452 -0.93930503 -0.05995596
e 0.3836439 Incl. 4.39423 -0.33394084 -0.06601023
P 0.74 H 24.30 G 0.15 U 2
Residuals in seconds of arc
171124 F51 0.1+ 0.1- 201213 J04 0.2- 0.0 201219 807 0.1- 0.1-
171124 F51 0.6+ 0.3- 201214 V06 0.5+ 0.1- 201219 807 0.0 0.1-
201209 F51 0.1- 0.1+ 201214 V06 0.6- 0.1+ 201220 807 0.0 0.1+
201209 F51 0.2- 0.2+ 201214 V06 0.0 0.0 201220 807 0.2+ 0.2+
201209 F51 0.2+ 0.0 201214 V06 0.1- 0.2+ 201220 807 0.1+ 0.2-
201209 F51 0.1- 0.3+ 201214 807 0.2- 0.1+ 201220 V06 0.0 0.4-
201209 F51 0.4- 0.2+ 201214 807 0.3+ 0.2- 201220 V06 0.1+ 1.3+
201209 F51 0.0 0.2+ 201214 807 0.6+ 0.4- 201220 V06 0.2+ 0.0
201209 F51 0.1- 0.1- 201217 V06 0.7- 0.2- 210103 695 0.2+ 0.5-
201210 J04 0.3- 0.1+ 201217 V06 0.0 0.2+ 210103 695 0.1+ 0.1-
201210 J04 0.4- 0.1+ 201217 V06 0.2+ 0.4- 210103 695 0.3+ 0.2-
201211 J04 0.0 0.0 201217 V06 0.1- 0.1- 231205 F51 0.0 0.1+
201213 L01 0.2+ 0.1+ 201217 F51 0.4- 0.1+ 231212 F51 0.0 0.1-
201213 L01 0.1+ 0.2+ 201217 F51 0.2- 0.1- 231212 F51 0.3+ 0.0
201213 L01 0.5- 0.4+ 201217 F51 0.1- 0.0 231212 F51 0.0 0.2+
201213 J04 0.0 0.1- 201217 F51 0.2- 0.2- 231226 Z84 0.8+ 0.1+
201213 J04 0.1+ 0.3- 201219 807 0.0 0.1- 231226 Z84 0.4- 0.3-
Ephemeris:
2020 XA5 a,e,i = 0.82, 0.38, 4 q = 0.5058
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 28 08 26 23.6 +01 07 30 0.2691 1.1276 115.1 52.4 23.6
...
2023 12 13 07 55 16.2 -01 35 09 0.2019 1.1352 134.5 38.2 22.6
...
2023 12 21 07 21 05.7 -02 30 17 0.1721 1.1312 146.4 28.7 22.0
...
2023 12 27 06 45 30.9 -02 38 28 0.1554 1.1244 153.3 23.2 21.6
2023 12 28 06 38 48.4 -02 36 07 0.1533 1.1230 153.9 22.7 21.6
2023 12 29 06 31 54.4 -02 32 34 0.1513 1.1215 154.2 22.5 21.5
...
2024 01 04 05 47 35.7 -01 45 33 0.1437 1.1105 150.4 26.0 21.5
...
2024 01 12 04 48 00.7 +00 16 56 0.1451 1.0909 135.0 39.6 21.9
...
2024 01 27 03 25 17.2 +05 02 06 0.1717 1.0387 103.7 67.1 22.9
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-Y94
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