MPEC 2021-G168 : 2021 GS7
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M.P.E.C. 2021-G168 Issued 2021 April 12, 18:07 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 GS7
Observations:
K21G07S C2021 04 07.57874216 16 56.945-07 07 07.00 21.88GVEG168F51
K21G07S C2021 04 07.59133116 17 01.211-07 06 24.12 21.38GVEG168F51
K21G07S C2021 04 07.60388716 17 05.407-07 05 41.60 21.70GVEG168F51
K21G07S C2021 04 07.61642416 17 09.638-07 04 59.12 22.23GVEG168F51
K21G07S* C2021 04 10.58427116 34 21.765-04 17 12.63 21.60wUEG168F51
K21G07S C2021 04 10.59701216 34 25.745-04 16 29.86 21.86wUEG168F51
K21G07S C2021 04 10.60975816 34 29.760-04 15 46.53 22.02wUEG168F51
K21G07S C2021 04 10.62248516 34 33.758-04 15 03.64 21.86wUEG168F51
K21G07S ^C2021 04 11.60280916 39 58.929-03 20 07.76 21.66GVEG168568
K21G07S ^C2021 04 11.60378516 39 59.229-03 20 04.54 21.49GVEG168568
K21G07S ^C2021 04 11.60476416 39 59.526-03 20 01.22 21.73GVEG168568
Observer details:
568 Mauna Kea. Observers R. Wainscoat, C. Crowder, T. Burdullis. Measurers
R. Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J. Fairlamb, H.
Flewelling, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2021 GS7 Earth MOID = 0.1177 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Pike
M 319.65556 (2000.0) P Q
n 0.33922346 Peri. 19.20708 -0.85787140 +0.51267728
a 2.0361611 Node 191.82420 -0.49094294 -0.83777512
e 0.4535401 Incl. 9.80900 -0.15176193 -0.18786926
P 2.91 H 24.02 G 0.15 U 9
Residuals in seconds of arc
210407 F51 0.2+ 0.0- 210410 F51 0.2+ 0.2+ 210411 568 0.0+ 0.0+
210407 F51 0.4+ 0.1+ 210410 F51 0.2- 0.1- 210411 568 0.0+ 0.0-
210407 F51 0.2- 0.0- 210410 F51 0.1- 0.2+ 210411 568 0.0- 0.0-
210407 F51 0.2- 0.2- 210410 F51 0.2- 0.0+
Ephemeris:
2021 GS7 a,e,i = 2.04, 0.45, 10 q = 1.1127
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 13 13 39 00.3 -23 00 48 0.2188 1.1689 139.5 33.5 22.5
...
2021 03 28 15 09 22.2 -16 13 50 0.1701 1.1299 137.8 36.4 21.9
...
2021 04 05 16 01 09.8 -09 31 11 0.1608 1.1180 134.0 40.1 21.9
...
2021 04 11 16 36 40.6 -03 53 32 0.1614 1.1135 130.4 43.3 22.0
2021 04 12 16 42 08.6 -02 57 43 0.1621 1.1131 129.8 43.8 22.0
2021 04 13 16 47 27.8 -02 02 31 0.1629 1.1128 129.2 44.3 22.0
...
2021 04 19 17 16 09.8 +03 08 27 0.1706 1.1135 126.2 46.7 22.2
...
2021 04 27 17 45 47.3 +08 47 52 0.1865 1.1205 123.6 48.4 22.4
...
2021 05 12 18 18 10.4 +15 23 00 0.2254 1.1511 123.9 46.8 22.9
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-G168
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