MPEC 2021-C56 : 2021 CM1
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M.P.E.C. 2021-C56 Issued 2021 February 7, 10:33 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 CM1
Observations:
K21C01M C2021 01 18.27081 08 21 50.91 +23 17 10.4 VEC056G96
K21C01M C2021 01 18.27592 08 21 51.42 +23 17 05.8 21.6 GVEC056G96
K21C01M C2021 01 18.28101 08 21 51.92 +23 17 00.8 VEC056G96
K21C01M C2021 02 05.28195 09 32 26.50 +11 46 50.7 VEC056703
K21C01M C2021 02 05.28725 09 32 28.54 +11 46 24.5 19.4 GVEC056703
K21C01M* C2021 02 06.29441809 39 50.71 +10 23 40.2 20.20GVEC056G96
K21C01M C2021 02 06.29958709 39 52.82 +10 23 13.6 20.38GVEC056G96
K21C01M C2021 02 06.30473509 39 54.93 +10 22 47.0 19.97GVEC056G96
K21C01M C2021 02 06.30988709 39 57.04 +10 22 20.9 20.31GVEC056G96
K21C01M KC2021 02 06.40230309 40 35.07 +10 14 18.6 19.93GVEC056I52
K21C01M KC2021 02 06.40349209 40 35.56 +10 14 12.2 20.29GVEC056I52
K21C01M KC2021 02 06.40468009 40 36.04 +10 14 06.3 20.03GVEC056I52
K21C01M KC2021 02 06.55360809 41 48.21 +10 03 45.0 19.7 GVEC056474
K21C01M KC2021 02 06.55480509 41 48.70 +10 03 38.6 20.1 GVEC056474
K21C01M KC2021 02 06.55839509 41 50.22 +10 03 19.7 20.3 GVEC056474
K21C01M KC2021 02 06.55959109 41 50.73 +10 03 13.1 20.1 GVEC056474
K21C01M KC2021 02 07.23914709 47 20.01 +08 58 40.9 20.05GVEC056I52
K21C01M KC2021 02 07.24040609 47 20.58 +08 58 34.0 20.03GVEC056I52
K21C01M KC2021 02 07.24166409 47 21.15 +08 58 27.2 19.87GVEC056I52
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
703 Catalina Sky Survey. Observer K. W. Wierzchos. Measurers B. Gray, D.
Rankin, F. C. Shelly. 0.68-m Schmidt + 10K CCD.
G96 Mt. Lemmon Survey. Observers D. C. Fuls, G. J. Leonard. Measurers B.
Gray, D. Rankin, F. C. Shelly, E. J. Christensen, 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller. Measurers
E. J. Christensen, 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, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector +
CCD.
Orbital elements:
2021 CM1 Earth MOID = 0.0295 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 328.67136 (2000.0) P Q
n 0.41082296 Peri. 214.16644 -0.96987742 -0.24214059
a 1.7921165 Node 311.79751 +0.23069754 -0.87803968
e 0.4339707 Incl. 2.04212 +0.07820764 -0.41281262
P 2.40 H 25.61 G 0.15 U 7
Residuals in seconds of arc
210118 G96 0.0- 0.1+ 210206 G96 0.1+ 0.0- 210206 474 0.0- 0.0+
210118 G96 0.0+ 0.1+ 210206 G96 0.1+ 0.3+ 210206 474 0.0+ 0.2-
210118 G96 0.0- 0.2- 210206 I52 0.0- 0.2- 210207 I52 0.1- 0.1-
210205 703 (1.6- 1.0+) 210206 I52 0.1- 0.3- 210207 I52 0.0- 0.0+
210205 703 1.1- 0.5- 210206 I52 0.3- 0.1+ 210207 I52 0.0+ 0.2+
210206 G96 0.2+ 0.1+ 210206 474 0.2+ 0.1+
210206 G96 0.2+ 0.0+ 210206 474 0.0+ 0.0-
Ephemeris:
2021 CM1 a,e,i = 1.79, 0.43, 2 q = 1.0144
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 01 08 08 05 27.5 +25 09 09 0.1942 1.1742 168.4 9.7 23.0
...
2021 01 23 08 32 54.2 +21 45 26 0.1194 1.1034 176.4 3.2 21.5
...
2021 01 31 09 01 45.0 +17 13 22 0.08723 1.0723 178.1 1.7 20.7
...
2021 02 06 09 37 35.8 +10 49 32 0.06722 1.0529 173.2 6.3 20.3
2021 02 07 09 45 19.1 +09 21 54 0.06433 1.0500 171.8 7.7 20.3
2021 02 08 09 53 38.8 +07 45 54 0.06161 1.0472 170.1 9.3 20.3
...
2021 02 14 10 58 15.9 -05 00 06 0.04946 1.0326 155.2 23.7 20.3
...
2021 02 22 12 58 35.1 -25 05 24 0.04857 1.0196 127.8 50.1 20.9
...
2021 03 09 15 48 13.6 -37 21 07 0.08112 1.0162 104.5 71.0 22.7
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-C56
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