[Iaude] MPEC W91: 2021 XJ5 [a=1.43,e=0.40,i=12.2,H=20.98]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Nov 22 09:22:24 EST 2023
M.P.E.C. 2023-W91 Issued 2023 November 22, 14:20 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
2021 XJ5
Revision to MPEC 2021-X190
Additional Observations:
K21X05J 5C2014 05 05.10210 15 17 26.10 -36 08 00.0 23.0 VLEW091W84
K21X05J 5C2014 05 05.10813 15 17 25.40 -36 07 57.4 LEW091W84
K21X05J 5C2014 05 05.11287 15 17 24.83 -36 07 55.2 LEW091W84
K21X05J 5C2014 05 05.11610 15 17 24.46 -36 07 53.7 LEW091W84
K21X05J 5C2014 05 05.11935 15 17 24.05 -36 07 52.1 LEW091W84
K21X05J 5C2014 05 05.12433 15 17 23.47 -36 07 49.8 23.0 VLEW091W84
K21X05J 5C2014 05 05.12755 15 17 23.08 -36 07 48.5 LEW091W84
K21X05J 5C2014 05 05.13081 15 17 22.70 -36 07 46.9 LEW091W84
K21X05J 5C2014 05 05.13405 15 17 22.31 -36 07 45.4 LEW091W84
K21X05J 5C2014 05 05.13727 15 17 21.92 -36 07 44.1 LEW091W84
K21X05J C2014 06 02.31573814 24 30.956-29 30 59.20 22.22GVEW091F51
K21X05J C2014 06 02.32677314 24 29.989-29 30 47.29 22.80GVEW091F51
K21X05J C2014 06 02.33780214 24 28.981-29 30 35.81 22.33GVEW091F51
K21X05J C2014 06 02.34883614 24 27.935-29 30 23.99 22.70GVEW091F51
K21X05J C2016 06 16.58949923 18 49.558+05 57 54.43 22.45GVEW091F51
K21X05J C2016 06 16.59466323 18 50.737+05 58 08.91 22.16GVEW091F51
K21X05J C2016 06 16.59980423 18 51.946+05 58 24.06 22.11GVEW091F51
K21X05J C2016 11 10.63644210 41 47.725+04 51 47.15 22.94GVEW091F51
K21X05J C2017 03 25.37427710 07 22.983-14 51 15.36 23.16GVEW091F51
K21X05J C2017 03 25.39666110 07 21.584-14 50 55.00 22.08GVEW091F51
K21X05J C2017 03 25.40783710 07 20.900-14 50 44.63 22.35GVEW091F51
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.
W84 Cerro Tololo-DECam. Observers L. Allen, D. Trilling, D. James, T.
Axelrod, D. Herrera, J. =. Measurer F. Valdes. 4.0-m CTIO reflector +
DECam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
140505 W84 68.3- 9.2- 170325 F51 44.7- 22.5- MPO740993 +0.01 days
Orbital elements:
2021 XJ5 PHA, Earth MOID = 0.0336 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 36.65604 (2000.0) P Q
n 0.57576831 Peri. 112.92724 +0.88355290 -0.41842886
a 1.4309931 Node 272.35980 +0.31399403 +0.86252296
e 0.3964238 Incl. 12.15395 +0.34747953 +0.28455481
P 1.71 H 20.98 G 0.15 U 0
Residuals in seconds of arc
140505 W84 0.5- 0.3+ 211212 I52 0.6- 0.1- 220105 703 0.7- 0.1-
140505 W84 0.3- 0.1+ 211212 I52 1.1+ 0.2+ 220105 703 0.8+ 0.0
140505 W84 0.4- 0.2+ 211212 I52 (1.7+ 0.3+) 220105 703 0.1+ 0.1-
140505 W84 0.2- 0.2+ 211212 I52 1.0+ 0.3+ 220105 T08 0.1+ 0.4+
140505 W84 0.5- 0.3+ 211213 703 0.8+ 1.0+ 220105 T08 0.9+ 0.6+
140505 W84 0.3- 0.3+ 211213 703 0.1+ 0.2+ 220105 T08 1.9+ 1.2+
140505 W84 0.3- 0.2+ 211213 703 0.1- 0.2+ 220105 T08 0.3- 0.1-
140505 W84 0.2- 0.3+ 211213 703 1.9- 0.4- 220105 T08 0.4- 0.0
140505 W84 0.3- 0.3+ 211215 807 0.4- 0.3- 220107 T05 0.3+ 0.2+
140505 W84 0.3- 0.1+ 211215 807 0.1+ 0.2- 220107 T05 0.7- 0.3-
140602 F51 0.2- 0.4+ 211215 807 0.3+ 0.1+ 220107 T05 0.0 0.0
140602 F51 0.3+ 0.4+ 211220 290 0.0 0.1- 220107 T05 0.0 0.3+
140602 F51 0.3+ 0.1+ 211220 290 0.0 0.0 220108 F52 0.1+ 0.0
140602 F51 0.2- 0.0 211220 290 0.0 0.1+ 220108 F52 0.1+ 0.0
160616 F51 0.4+ 0.7+ 211220 290 0.0 0.1+ 220108 F52 0.1+ 0.0
160616 F51 0.1- 0.0 211226 033 0.1- 0.3+ 220110 I52 0.4+ 0.4-
160616 F51 0.1- 0.0 211226 033 0.4- 0.2- 220110 I52 0.9- 0.4-
161110 F51 0.1+ 0.2+ 211226 033 0.2- 0.3- 220110 I52 0.0 0.1-
170325 F51 0.1+ 0.1- 211226 033 0.0 0.3- 220110 I52 (1.6- 2.7-)
170325 F51 0.2- 0.0 211226 033 0.0 0.6- 220113 D29 0.9- 0.1-
170325 F51 0.2- 0.2+ 211226 033 0.2+ 0.2- 220113 D29 0.3- 0.1-
211207 C51 0.4- 0.7- 211228 807 0.0 0.1+ 220114 I52 0.1+ 0.2+
211207 C51 (1.9+ 1.7+) 211228 807 0.1- 0.1- 220114 I52 0.6+ 0.2+
211208 703 0.9+ 0.1- 211228 807 0.2- 0.1- 220114 I52 0.2+ 0.1-
211208 703 0.1- 0.5- 211230 807 0.1+ 0.0 220114 I52 0.3+ 0.0
211208 703 0.0 0.3- 211230 807 0.0 0.1+ 220115 I52 0.2+ 0.3-
211208 V06 0.1- 0.1- 211230 807 0.0 0.1+ 220115 I52 0.5+ 0.0
211208 V06 0.0 0.0 220101 033 0.3+ 0.2- 220115 I52 0.7+ 0.6+
211208 V06 0.2- 0.1- 220101 033 0.1- 0.3+ 220115 I52 1.0- 0.4+
211208 I52 0.3+ 0.1+ 220101 033 0.2- 0.1+ 220121 I52 0.1- 0.2+
211208 I52 0.6+ 0.0 220101 033 0.3- 0.2- 220121 I52 0.3+ 0.6-
211208 I52 0.1+ 0.2- 220103 M22 0.7- 0.1- 220121 I52 0.0 0.1+
211208 P93 0.1- 0.6+ 220103 M22 0.0 0.1- 220122 I52 0.4+ 0.3+
211208 P93 0.3+ 0.3+ 220103 M22 0.8- 0.2+ 220122 I52 0.2+ 0.4-
211208 P93 0.1- 0.6+ 220103 M22 0.1+ 1.0+ 220122 I52 0.4- 0.3+
211209 I52 0.1+ 0.1+ 220103 033 0.2+ 0.1- 220126 W94 0.3+ 0.3+
211209 I52 0.3- 0.2+ 220103 033 0.1+ 0.0 220126 W94 0.1+ 0.8-
211209 I52 0.1+ 0.2- 220103 033 0.0 0.0 220126 W94 1.0+ 0.7-
211209 I52 0.3+ 0.1- 220103 033 0.1+ 0.1- 220128 G96 0.1+ 0.1-
211211 J95 (0.9- 0.4+) 220104 I52 0.1- 0.6+ 220128 G96 0.1+ 0.1+
211211 J95 0.6- 0.5+ 220104 I52 0.3- 0.3+ 220128 G96 0.3- 0.4-
211211 Z99 0.5- 0.3+ 220104 I52 0.2- 0.0 220128 G96 0.2- 0.0
211211 Z99 0.5- 0.5+ 220104 I52 0.2+ 0.3- 220209 G96 0.1+ 0.1-
211211 Z99 1.0- 0.6+ 220105 W94 0.9- 0.2- 220209 G96 0.1+ 0.3-
211211 587 0.3- 0.3+ 220105 W94 0.3- 0.6- 220209 G96 (0.4+ 1.4+)
211211 587 0.1- 0.0 220105 W94 0.4+ 0.4- 220227 H21 0.3- 0.3+
211211 587 0.1- 0.2- 220105 807 0.2- 0.3- 220227 H21 0.3- 0.1+
211211 204 0.1- 0.3- 220105 807 0.2- 0.0 220227 H21 0.3- 0.0
211211 204 0.4+ 0.0 220105 703 0.5- 0.2-
211211 204 0.1+ 0.1+ 220105 807 0.2- 0.1-
Ephemeris:
2021 XJ5 a,e,i = 1.43, 0.40, 12 q = 0.8637
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 10 23 10 48 26.8 +01 31 54 1.8335 1.3538 46.3 32.1 24.3
...
2023 11 07 11 19 58.6 -03 20 38 1.8175 1.4412 52.2 32.9 24.5
...
2023 11 15 11 35 30.1 -05 50 37 1.7986 1.4857 55.7 33.4 24.5
...
2023 11 21 11 46 34.3 -07 40 06 1.7798 1.5180 58.5 33.7 24.5
2023 11 22 11 48 22.2 -07 58 06 1.7763 1.5233 58.9 33.7 24.5
2023 11 23 11 50 09.2 -08 16 01 1.7727 1.5286 59.4 33.8 24.6
...
2023 11 29 12 00 34.3 -10 01 57 1.7488 1.5596 62.4 34.1 24.6
...
2023 12 07 12 13 41.1 -12 19 04 1.7112 1.5995 66.6 34.4 24.6
...
2023 12 22 12 35 36.7 -16 22 49 1.6240 1.6693 75.2 34.7 24.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-W91
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