MPEC 2021-G87 : 2021 GJ3
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M.P.E.C. 2021-G87 Issued 2021 April 7, 19:00 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 GJ3
Observations:
K21G03J C2021 03 23.38004 12 57 45.19 -05 12 09.5 VEG087G96
K21G03J C2021 03 23.38518 12 57 45.06 -05 12 10.3 VEG087G96
K21G03J C2021 03 23.39032 12 57 44.95 -05 12 12.2 VEG087G96
K21G03J C2021 03 23.39547 12 57 44.89 -05 12 13.6 VEG087G96
K21G03J C2021 04 03.43142712 54 03.568-06 23 09.62 19.91GVEG087F51
K21G03J C2021 04 03.44212612 54 02.883-06 23 16.30 19.47GVEG087F51
K21G03J* C2021 04 04.29619412 53 27.72 -06 32 38.4 19.64GVEG087G96
K21G03J C2021 04 04.30176712 53 27.36 -06 32 42.3 19.75GVEG087G96
K21G03J C2021 04 04.30733312 53 26.98 -06 32 46.0 19.76GVEG087G96
K21G03J C2021 04 04.31289812 53 26.60 -06 32 49.9 19.66GVEG087G96
K21G03J C2021 04 04.34653 12 53 24.47 -06 33 15.0 20.5 GVEG087703
K21G03J C2021 04 04.35685 12 53 23.67 -06 33 19.7 19.7 GVEG087703
K21G03J C2021 04 04.36201 12 53 23.30 -06 33 23.6 20.1 GVEG087703
K21G03J C2021 04 04.66658 12 53 10.84 -06 36 55.6 18.9 RqEG087D29
K21G03J C2021 04 04.66746 12 53 10.82 -06 36 56.3 18.6 RqEG087D29
K21G03J C2021 04 04.68249 12 53 09.75 -06 37 07.0 18.7 RqEG087D29
K21G03J C2021 04 04.68337 12 53 09.69 -06 37 07.6 18.9 RqEG087D29
K21G03J C2021 04 04.69840 12 53 08.64 -06 37 18.1 19.0 RqEG087D29
K21G03J C2021 04 04.69928 12 53 08.61 -06 37 18.6 18.7 RqEG087D29
Observer details:
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers E. J.
Christensen, B. Gray, D. Rankin, F. C. Shelly. 0.68-m Schmidt + 10K CCD.
D29 Purple Mountain Observatory, XuYi Station. Observers H. B. Zhao, B. Li,
G. Zhaori, R. Q. Hong, L. F. Hu. Measurers H. B. Zhao, B. Li, H. Lu, G.
Zhaori, Z. J. Xu. 1.04-m f/1.8 Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers T. A. Pruyne, K. W. Wierzchos. Measurers E.
J. Christensen, B. Gray, D. Rankin, F. C. Shelly, G. A. Farneth, D. C.
Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M.
Larson, G. J. Leonard, T. A. Pruyne, R. L. Seaman, K. W. Wierzchos. 1.5-m
reflector + 10K CCD.
Orbital elements:
2021 GJ3 Earth MOID = 0.0093 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 287.21258 (2000.0) P Q
n 0.43040043 Peri. 262.39054 +0.06539808 +0.99784399
a 1.7373511 Node 11.36357 -0.90411746 +0.06159436
e 0.5312946 Incl. 1.60540 -0.42224959 +0.02266089
P 2.29 H 23.73 G 0.15 U 9
Residuals in seconds of arc
210323 G96 0.4+ 0.0- 210404 G96 0.1+ 0.0+ 210404 D29 0.2+ 0.1+
210323 G96 0.1- 0.5+ 210404 G96 0.0- 0.1+ 210404 D29 0.0- 0.1+
210323 G96 0.4- 0.2- 210404 G96 0.1- 0.0- 210404 D29 0.0+ 0.1+
210323 G96 0.2+ 0.3- 210404 703 (2.0+ 2.4-) 210404 D29 0.0+ 0.2+
210403 F51 0.0+ 0.0+ 210404 703 0.4+ 0.2- 210404 D29 0.5+ 0.3+
210403 F51 0.0+ 0.1- 210404 703 0.0- 0.6-
210404 G96 0.1- 0.0+ 210404 D29 0.4- 0.2+
Ephemeris:
2021 GJ3 a,e,i = 1.74, 0.53, 2 q = 0.8143
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 08 12 55 37.7 -04 15 55 0.3959 1.3569 152.9 19.5 23.4
...
2021 03 23 12 57 47.7 -05 10 11 0.2430 1.2346 167.0 10.5 21.8
...
2021 03 31 12 55 52.7 -05 53 19 0.1710 1.1693 175.1 4.2 20.6
...
2021 04 06 12 52 03.6 -06 53 19 0.1203 1.1209 178.1 1.7 19.6
2021 04 07 12 51 04.7 -07 08 16 0.1121 1.1129 177.0 2.7 19.5
2021 04 08 12 49 56.8 -07 25 32 0.1040 1.1050 175.8 3.8 19.4
...
2021 04 14 12 36 50.3 -10 50 29 0.05636 1.0580 167.1 12.2 18.3
...
2021 04 22 03 47 31.6 -35 17 52 0.01214 0.9980 54.0 125.5 19.4
...
2021 05 07 01 17 10.7 +00 34 32 0.1269 0.9003 29.1 146.9 26.9
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-G87
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