MPEC 2021-H58 : 2021 GC24
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M.P.E.C. 2021-H58 Issued 2021 April 18, 22:22 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 GC24
Observations:
K21G24C C2021 04 06.56423114 52 50.917-05 42 08.48 21.07GVEH058F51
K21G24C C2021 04 06.57675514 52 48.978-05 42 05.96 21.91GVEH058F51
K21G24C C2021 04 06.58928614 52 47.046-05 42 04.01 21.86GVEH058F51
K21G24C C2021 04 14.50589814 32 51.113-05 20 19.16 22.84GVEH058F52
K21G24C C2021 04 14.51936314 32 49.054-05 20 16.90 21.72GVEH058F52
K21G24C C2021 04 14.53281914 32 47.002-05 20 14.89 22.14GVEH058F52
K21G24C C2021 04 14.54621814 32 44.967-05 20 12.76 21.93GVEH058F52
K21G24C* C2021 04 15.46959614 30 28.572-05 17 51.17 21.78wUEH058F51
K21G24C C2021 04 15.48287514 30 26.570-05 17 49.11 21.93wUEH058F51
K21G24C C2021 04 15.49618214 30 24.583-05 17 47.15 21.74wUEH058F51
K21G24C |C2021 04 16.27699 14 28 29.83 -05 15 43.3 21.8 GVEH058807
K21G24C |C2021 04 16.28068 14 28 29.27 -05 15 42.8 21.9 GVEH058807
K21G24C |C2021 04 16.28438 14 28 28.73 -05 15 42.1 21.9 GVEH058807
K21G24C |C2021 04 18.31344 14 23 34.62 -05 10 50.0 21.8 GVEH058807
K21G24C |C2021 04 18.31714 14 23 34.07 -05 10 49.5 21.8 GVEH058807
K21G24C |C2021 04 18.32084 14 23 33.54 -05 10 48.9 21.7 GVEH058807
K21G24C C2021 04 18.46171414 23 13.611-05 10 35.96 21.58GVEH058F51
K21G24C C2021 04 18.47719714 23 11.343-05 10 33.81 21.54GVEH058F51
Observer details:
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, K. Chambers, T. Lowe, A.
Schultz, I. Smith, 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.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2021 GC24 Earth MOID = 0.2774 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 1.51312 (2000.0) P Q
n 0.24320746 Peri. 26.39034 +0.38985599 -0.87881696
a 2.5418590 Node 42.28152 +0.75596201 +0.13481390
e 0.8523680 Incl. 24.13822 +0.52586475 +0.45771821
P 4.05 H 19.68 G 0.15 U 8
Residuals in seconds of arc
210406 F51 0.0 0.2- 210414 F52 0.3- 0.1+ 210416 807 0.1+ 0.0
210406 F51 0.0 0.2+ 210415 F51 0.0 0.0 210418 807 0.1+ 0.1-
210406 F51 0.1+ 0.0 210415 F51 0.1- 0.0 210418 807 0.1- 0.1-
210414 F52 0.3+ 0.0 210415 F51 0.2+ 0.0 210418 807 0.1+ 0.0
210414 F52 0.0 0.1+ 210416 807 0.1+ 0.1- 210418 F51 0.0 0.0
210414 F52 0.2- 0.0 210416 807 0.0 0.1- 210418 F51 0.1- 0.0
Ephemeris:
2021 GC24 a,e,i = 2.54, 0.85, 24 q = 0.3753
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 19 15 36 17.4 -06 28 44 1.0310 1.7897 124.0 27.4 22.2
...
2021 04 03 15 01 49.4 -05 52 08 1.0530 1.9674 146.8 16.2 22.1
...
2021 04 11 14 41 37.5 -05 29 39 1.0903 2.0575 159.0 10.0 22.1
...
2021 04 17 14 26 44.6 -05 14 00 1.1323 2.1231 167.3 6.0 22.1
2021 04 18 14 24 20.0 -05 11 37 1.1405 2.1339 168.5 5.4 22.1
2021 04 19 14 21 57.0 -05 09 19 1.1491 2.1446 169.6 4.9 22.1
...
2021 04 25 14 08 19.2 -04 57 27 1.2077 2.2081 171.9 3.7 22.2
...
2021 05 03 13 52 22.1 -04 47 51 1.3045 2.2905 164.0 6.9 22.6
...
2021 05 18 13 30 27.4 -04 51 55 1.5364 2.4382 145.5 13.6 23.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-H58
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