MPEC 2021-H22 : 2021 GF16
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M.P.E.C. 2021-H22 Issued 2021 April 17, 01:50 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 GF16
Observations:
K21G16F* C2021 04 13.61089716 44 09.790-23 06 33.57 22.34wUEH022F51
K21G16F C2021 04 13.61755216 44 11.123-23 06 25.82 22.33wUEH022F51
K21G16F C2021 04 13.62419916 44 12.450-23 06 18.03 22.00wUEH022F51
K21G16F |C2021 04 14.38095 16 46 57.47 -22 51 24.9 22.0 GVEH022807
K21G16F |C2021 04 14.38279 16 46 57.85 -22 51 22.7 21.5 GVEH022807
K21G16F |C2021 04 14.38464 16 46 58.19 -22 51 21.2 21.7 GVEH022807
K21G16F |C2021 04 14.38648 16 46 58.57 -22 51 18.4 21.4 GVEH022807
K21G16F ^C2021 04 14.47430216 47 20.451-22 50 19.65 21.81GVEH022568
K21G16F ^C2021 04 14.47528016 47 20.639-22 50 18.65 21.77GVEH022568
K21G16F ^C2021 04 14.47625816 47 20.828-22 50 17.57 21.72GVEH022568
K21G16F ^C2021 04 14.47724816 47 21.023-22 50 16.50 21.83GVEH022568
K21G16F |C2021 04 16.37820 16 53 46.63 -22 13 30.6 22.1 GVEH022807
K21G16F |C2021 04 16.38373 16 53 47.50 -22 13 22.9 22.0 GVEH022807
K21G16F |C2021 04 16.38927 16 53 48.51 -22 13 17.0 21.5 GVEH022807
Observer details:
568 Mauna Kea. Observers R. Wainscoat, L. Wells, T. Burdullis. Measurers R.
Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2021 GF16 Earth MOID = 0.1064 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 323.72302 (2000.0) P Q
n 0.34837599 Peri. 344.45744 -0.95938048 +0.28028669
a 2.0003404 Node 211.87593 -0.25193206 -0.90234164
e 0.4462793 Incl. 3.48163 -0.12696191 -0.32744302
P 2.83 H 24.11 G 0.15 U 8
Residuals in seconds of arc
210413 F51 0.0 0.1- 210414 807 0.2- 0.7- 210414 568 0.0 0.0
210413 F51 0.0 0.0 210414 807 0.1+ 0.0 210416 807 (1.2+ 0.8-)
210413 F51 0.0 0.1+ 210414 568 0.0 0.0 210416 807 0.2- 0.3+
210414 807 0.3- 0.1- 210414 568 0.0 0.0 210416 807 0.2+ 0.3-
210414 807 0.0 0.0 210414 568 0.0 0.0
Ephemeris:
2021 GF16 a,e,i = 2.00, 0.45, 3 q = 1.1076
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 18 14 20 41.2 -26 10 04 0.1643 1.1168 134.6 39.4 22.0
...
2021 04 02 15 50 44.9 -26 05 43 0.1561 1.1078 130.8 43.1 22.0
...
2021 04 10 16 29 48.0 -24 10 58 0.1605 1.1128 130.5 43.2 22.0
...
2021 04 16 16 52 32.7 -22 20 52 0.1667 1.1210 131.5 42.1 22.1
2021 04 17 16 55 47.0 -22 01 44 0.1680 1.1227 131.8 41.8 22.1
2021 04 18 16 58 52.1 -21 42 33 0.1693 1.1245 132.1 41.5 22.1
...
2021 04 24 17 14 18.3 -19 48 36 0.1781 1.1375 134.4 39.2 22.2
...
2021 05 02 17 27 30.7 -17 29 12 0.1926 1.1600 139.0 34.8 22.3
...
2021 05 17 17 34 37.6 -14 14 38 0.2284 1.2160 150.9 23.8 22.4
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-H22
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