[Iaude] MPEC X18: 2021 JG1 [a=1.20,e=0.31,i=2.7,H=24.76]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 3 09:15:37 EST 2023
M.P.E.C. 2023-X18 Issued 2023 December 3, 14:14 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 JG1
Revision to MPEC 2021-J58
Additional Observations:
K21J01G C2013 11 24.30009 03 15 12.150+13 59 35.16 21.6 wLEX018F51
K21J01G C2013 11 24.31338 03 15 10.803+13 59 50.37 21.3 wLEX018F51
K21J01G C2013 11 24.32668 03 15 09.450+14 00 05.45 21.4 wLEX018F51
K21J01G 1C2017 04 02.41166412 38 44.02 +04 47 37.8 WEX018T09
K21J01G 1C2017 04 02.44538112 38 38.73 +04 48 11.0 WEX018T09
K21J01G 1C2017 04 02.47946212 38 33.34 +04 48 44.9 WEX018T09
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, T. Goggia, M.
Willman. Measurer P.-S. 1. S. Consortium. 1.8-m Ritchey-Chretien + CCD.
T09 Subaru Telescope, Maunakea. Observer . Measurer S. Deen. 8.3-m Subaru
Telescope + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
131124 F51 0.70+ 0.23+ 170402 T09 0.12+ 0.05+ MPO641194 +0.00 days
Orbital elements:
2021 JG1 Earth MOID = 0.0058 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 225.48950 (2000.0) P Q
n 0.75038286 Peri. 249.73119 +0.78475548 +0.61818707
a 1.1993542 Node 72.05834 -0.54966055 +0.72749769
e 0.3086848 Incl. 2.69672 -0.28641248 +0.29764386
P 1.31 H 24.76 G 0.15 U 0
Residuals in seconds of arc
131124 F51 0.1+ 0.0 210515 033 0.1+ 0.1+ 210523 G40 0.5+ 0.4+
131124 F51 0.0 0.0 210515 033 0.2+ 0.2+ 210523 K87 0.5+ 0.2-
131124 F51 0.0 0.1- 210515 033 0.0 0.1+ 210523 K87 (0.9+ 1.1-)
170402 T09 0.1- 0.2+ 210515 033 0.2+ 0.3+ 210523 K87 0.2- 0.4-
170402 T09 0.3+ 0.2- 210518 691 0.4- 0.1- 210523 G40 0.1+ 0.1+
170402 T09 0.0 0.2- 210518 691 0.2- 0.0 210523 G40 0.0 0.3+
210503 F51 0.1+ 0.0 210518 691 0.1+ 0.0 210524 J95 0.0 0.1-
210503 F51 0.1+ 0.0 210518 T08 0.3- 0.1- 210524 J95 0.1+ 0.0
210503 F51 0.1+ 0.0 210518 T08 0.3- 0.1- 210524 J95 0.0 0.2+
210503 F51 0.1+ 0.0 210518 T08 0.1+ 0.1+ 210524 J95 0.1+ 0.1-
210504 568 0.0 0.0 210518 T08 0.1+ 0.1+ 210525 Z80 0.2- 0.2-
210504 568 0.0 0.0 210518 T08 0.3- 0.6+ 210525 Z80 0.0 0.1-
210504 568 0.0 0.0 210518 T08 0.3+ 0.2- 210525 Z80 0.1- 0.2-
210505 H36 0.5+ 0.5- 210518 T08 0.1- 0.6+ 210525 Z80 0.3- 0.1-
210505 H36 0.4+ 0.3+ 210518 033 0.1- 0.1+ 210525 703 0.3+ 1.1-
210505 H01 0.0 0.1- 210518 033 0.1+ 0.1+ 210525 703 0.3+ 0.2+
210505 H36 0.4+ 0.5- 210518 033 0.0 0.2+ 210525 703 0.6+ 0.2+
210505 H01 0.0 0.0 210519 J69 0.2- 0.6+ 210525 703 0.3- 0.8-
210505 H01 0.0 0.0 210519 J69 0.3- 0.3+ 210525 Z80 0.1+ 0.1+
210505 H01 0.0 0.1- 210519 J69 0.2- 0.2+ 210525 Z80 0.1+ 0.0
210505 I52 0.1- 0.1- 210519 J69 0.0 0.0 210525 J95 0.1- 0.1-
210505 I52 0.1- 0.1+ 210519 Z80 0.8+ 0.5+ 210525 J95 0.2- 0.2-
210505 I52 0.1+ 0.0 210519 Z80 0.3- 0.3+ 210525 J95 0.3- 0.1-
210505 I52 0.3+ 0.1+ 210520 G40 (0.5- 0.9+) 210525 Z80 0.3+ 0.2+
210506 I52 0.4- 0.5- 210520 G40 0.0 0.8+ 210525 J95 0.5- 0.4-
210506 I52 0.1- 0.0 210520 T05 0.4+ 0.0 210525 089 0.2+ 0.1-
210506 I52 0.2+ 0.2+ 210520 T05 0.2- 0.1+ 210525 089 0.1+ 0.1-
210507 I52 0.4+ 0.1+ 210520 T05 0.0 0.0 210525 089 0.3+ 0.0
210507 I52 0.4- 0.4+ 210520 T05 0.1- 0.0 210525 089 0.2+ 0.4+
210507 I52 (2.2- 0.3+) 210520 F51 0.0 0.0 210525 089 0.1- 0.2+
210509 I52 (1.1- 0.1-) 210520 F51 0.1+ 0.0 210525 089 0.2+ 0.3+
210509 I52 0.1- 0.4- 210520 595 0.4- 0.0 210525 089 0.0 0.3+
210509 I52 0.5- 0.2+ 210520 595 0.3- 0.0 210525 089 0.1- 0.3+
210510 I52 0.6+ 0.1- 210520 595 0.4- 0.1+ 210525 089 0.2+ 0.2+
210510 I52 0.0 0.3- 210521 L18 0.7+ 1.3+ 210525 089 0.3+ 0.2+
210510 I52 0.1- 0.1+ 210521 L18 (1.0+ 1.5+) 210526 Z80 0.0 0.4+
210510 I52 0.1+ 0.2+ 210521 L18 (0.7+ 2.3+) 210526 Z80 0.1- 0.4+
210511 G96 0.3- 0.1- 210522 Z80 0.2+ 0.4- 210526 Z80 0.1- 0.3+
210511 G96 0.0 0.1+ 210522 Z80 0.1+ 0.2- 210526 K38 0.1+ 0.2+
210511 G96 0.1- 0.6+ 210522 J95 0.1- 0.2- 210526 K38 0.2+ 0.2+
210511 I52 0.4- 0.3- 210522 J95 0.0 0.1- 210526 K38 0.2+ 0.0
210511 I52 0.1- 0.1- 210522 J95 0.1- 0.1- 210526 K38 0.1+ 0.1+
210511 I52 0.4- 0.1+ 210522 J95 0.2- 0.1- 210526 K38 0.2+ 0.3+
210511 I52 0.1- 0.5- 210523 I52 0.1- 0.2- 210526 J95 0.1- 0.2-
210512 I52 0.0 0.1+ 210523 I52 0.2- 0.2- 210526 J95 0.2- 0.2-
210512 I52 0.3- 0.0 210523 I52 0.2- 0.1- 210526 J95 0.2- 0.1+
210512 I52 0.1+ 0.2- 210523 I52 0.3- 0.3- 210526 J95 0.3- 0.1+
210512 I52 0.3- 0.2+ 210523 T08 0.0 0.4+ 210526 T05 0.2+ 0.3+
210514 F51 0.0 0.0 210523 T08 0.1+ 0.3+ 210526 T05 0.1- 0.0
210514 F51 0.0 0.0 210523 T08 0.2- 0.4+ 210526 T05 0.0 0.2+
210514 F51 0.1+ 0.0 210523 T08 0.3- 0.1+ 210526 T05 0.1- 0.1-
210514 F51 0.0 0.0 210523 C47 0.0 0.2+ 210526 T05 0.5- 0.4-
210514 033 0.1- 0.0 210523 C47 0.0 0.1+ 210526 T05 0.4- 0.4-
210514 033 0.1+ 0.1- 210523 C47 0.2- 0.1+ 210526 T05 0.4- 0.0
210514 033 0.1+ 0.1+ 210523 C47 0.0 0.1- 210526 T05 1.0- 0.7-
210514 033 0.0 0.1- 210523 C47 0.2- 0.0 210527 J95 0.7+ 0.1-
210515 691 0.2+ 0.3- 210523 C47 0.2- 0.4- 210527 J95 0.3- 0.6-
210515 691 0.0 0.3+ 210523 C47 0.0 0.3- 210527 J95 0.5+ 0.3+
210515 691 0.3+ 0.0 210523 A17 0.0 0.1+ 210527 J95 0.5+ 0.3-
210515 F51 0.1+ 0.0 210523 A17 0.1- 0.2- 210527 J95 0.3- 0.2-
210515 F51 0.0 0.0 210523 A17 0.1- 0.3-
210515 F51 0.1+ 0.0 210523 G40 0.0 0.1-
Ephemeris:
2021 JG1 a,e,i = 1.20, 0.31, 3 q = 0.8291
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 03 13 33 44.6 -08 19 29 2.2730 1.3415 15.3 11.2 27.9
...
2023 11 18 14 18 56.7 -12 36 03 2.1773 1.2781 18.4 14.1 27.8
...
2023 11 26 14 44 53.0 -14 47 16 2.1243 1.2417 19.8 15.6 27.7
...
2023 12 02 15 05 19.4 -16 21 17 2.0843 1.2133 20.7 16.7 27.7
2023 12 03 15 08 49.2 -16 36 29 2.0777 1.2085 20.9 16.9 27.7
2023 12 04 15 12 20.5 -16 51 33 2.0710 1.2037 21.0 17.1 27.6
...
2023 12 10 15 34 02.8 -18 18 22 2.0315 1.1744 21.7 18.1 27.6
...
2023 12 18 16 04 35.1 -20 02 39 1.9802 1.1344 22.4 19.3 27.5
...
2024 01 02 17 07 02.4 -22 28 26 1.8917 1.0582 23.0 21.2 27.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-X18
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