[Iaude] MPEC X158: 2023 XR4 [a=2.57,e=0.61,i=1.5,H=27.0]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri Dec 8 13:23:57 EST 2023
M.P.E.C. 2023-X158 Issued 2023 December 8, 18:22 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
2023 XR4
Observations:
K23X04R* C2023 12 04.38006305 21 16.688+04 50 59.70 20.36wXEX158F52
K23X04R C2023 12 04.39291105 21 34.820+04 52 07.51 20.52wXEX158F52
K23X04R C2023 12 04.40576205 21 52.841+04 53 14.92 20.51wXEX158F52
K23X04R C2023 12 04.41861405 22 10.773+04 54 21.87 21.07GVEX158F52
K23X04R |C2023 12 05.14235405 38 58.190+05 55 02.70 20.9 VuEX158807
K23X04R |C2023 12 05.14890005 39 06.060+05 55 32.30 21.3 VuEX158807
K23X04R |C2023 12 05.15544205 39 13.850+05 56 00.30 20.7 VuEX158807
K23X04R |C2023 12 06.31189006 00 53.190+07 08 01.50 20.9 VuEX158807
K23X04R |C2023 12 06.31580006 00 56.870+07 08 13.20 21.4 VuEX158807
K23X04R |C2023 12 06.31971006 01 00.550+07 08 25.60 21.5 VuEX158807
K23X04R KC2023 12 06.46968806 03 26.160+07 12 32.30 VEX158I52
K23X04R KC2023 12 06.47281806 03 29.020+07 12 41.10 20.26GVEX158I52
K23X04R KC2023 12 06.47594706 03 31.840+07 12 50.10 20.26GVEX158I52
K23X04R KC2023 12 06.47906706 03 34.700+07 13 00.90 20.67GVEX158I52
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/11 Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
Measurers E. C. Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G.
J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
prime focus + CCD.
Orbital elements:
2023 XR4 Earth MOID = 0.0020 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Bell
M 344.13469 (2000.0) P Q
n 0.23952869 Peri. 181.84151 +0.61955016 -0.78469669
a 2.5678187 Node 229.87582 +0.72052156 +0.57872298
e 0.6136374 Incl. 1.51500 +0.31145831 +0.22210541
P 4.11 H 27.01 G 0.15 U 7
Residuals in seconds of arc
231204 F52 0.1- 0.2+ 231205 807 0.5+ 0.4+ 231206 I52 0.1+ 0.3+
231204 F52 0.2+ 0.2+ 231205 807 0.2- 0.1- 231206 I52 0.2+ 0.5-
231204 F52 0.1+ 0.2+ 231206 807 0.6- 0.8+ 231206 I52 0.4- 1.0-
231204 F52 0.1- 0.1+ 231206 807 0.1+ 0.1+ 231206 I52 0.3- 0.3+
231205 807 0.4+ 0.7- 231206 807 0.7+ 0.1+
Ephemeris:
2023 XR4 a,e,i = 2.57, 0.61, 2 q = 0.9921
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 08 21 16 52.1 -12 57 03 0.1075 1.0017 92.6 81.2 25.0
...
2023 11 23 22 46 40.9 -13 06 04 0.04126 0.9942 98.0 79.6 22.9
...
2023 12 01 03 21 01.7 -02 18 42 0.02366 1.0070 151.3 28.1 20.1
...
2023 12 07 06 11 41.5 +07 40 14 0.04208 1.0238 155.7 23.3 21.3
2023 12 08 06 24 51.9 +08 21 50 0.04637 1.0272 154.4 24.5 21.5
2023 12 09 06 35 44.5 +08 55 39 0.05081 1.0307 153.3 25.4 21.8
...
2023 12 15 07 13 15.0 +10 55 20 0.07939 1.0550 151.8 26.1 22.8
...
2023 12 23 07 31 55.5 +12 17 57 0.1207 1.0951 156.0 21.4 23.7
...
2024 01 07 07 40 10.0 +14 06 19 0.2086 1.1887 168.8 9.3 24.6
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-X158
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