MPEC 2021-C144 : 2021 CQ3
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M.P.E.C. 2021-C144 Issued 2021 February 9, 16:27 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 CQ3
Observations:
K21C03Q* C2021 02 06.47792814 20 54.25 +06 11 57.1 20.06GVEC144G96
K21C03Q C2021 02 06.48257614 20 53.59 +06 12 02.0 20.34GVEC144G96
K21C03Q C2021 02 06.48721514 20 52.94 +06 12 06.7 20.49GVEC144G96
K21C03Q C2021 02 06.49186214 20 52.30 +06 12 10.1 20.52GVEC144G96
K21C03Q C2021 02 06.50333514 20 50.77 +06 12 21.6 20.10GVEC144G96
K21C03Q C2021 02 06.51169114 20 49.64 +06 12 30.0 20.08GVEC144G96
K21C03Q C2021 02 06.51975914 20 48.52 +06 12 37.9 20.08GVEC144G96
K21C03Q C2021 02 06.52776714 20 47.41 +06 12 45.4 20.50GVEC144G96
K21C03Q KC2021 02 06.54701314 20 44.80 +06 13 04.2 20.39GVEC144I52
K21C03Q KC2021 02 06.55057014 20 44.31 +06 13 07.3 19.85GVEC144I52
K21C03Q KC2021 02 06.55183114 20 44.12 +06 13 08.6 19.74GVEC144I52
K21C03Q KC2021 02 07.17489314 19 21.36 +06 23 10.1 20.7 GVEC144I93
K21C03Q KC2021 02 07.17926014 19 20.75 +06 23 13.8 20.4 GVEC144I93
K21C03Q KC2021 02 07.18435714 19 20.01 +06 23 19.7 VEC144I93
K21C03Q |C2021 02 07.31288 14 19 03.02 +06 25 38.0 20.5 VuEC144807
K21C03Q |C2021 02 07.31512 14 19 02.70 +06 25 40.8 20.3 VuEC144807
K21C03Q |C2021 02 07.31746 14 19 02.39 +06 25 43.8 20.5 VuEC144807
K21C03Q mC2021 02 07.44395614 18 45.29 +06 27 33.9 20.39GVEC144I52
K21C03Q mC2021 02 07.44588414 18 45.04 +06 27 35.5 20.29GVEC144I52
K21C03Q mC2021 02 07.44665214 18 44.92 +06 27 36.4 20.24GVEC144I52
K21C03Q mC2021 02 07.44742014 18 44.82 +06 27 36.9 20.37GVEC144I52
K21C03Q mC2021 02 08.51482514 16 18.47 +06 45 00.1 20.33GVEC144I52
K21C03Q mC2021 02 08.51662914 16 18.20 +06 45 01.6 20.43GVEC144I52
K21C03Q mC2021 02 08.51842514 16 17.97 +06 45 03.5 20.76GVEC144I52
K21C03Q C2021 02 09.44794814 14 08.12 +07 00 17.5 20.90GVEC144I52
K21C03Q C2021 02 09.44871514 14 08.02 +07 00 18.4 20.52GVEC144I52
K21C03Q C2021 02 09.44948214 14 07.90 +07 00 19.6 20.43GVEC144I52
K21C03Q C2021 02 09.45328314 14 07.31 +07 00 23.4 20.61GVEC144I52
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.5 astrograph + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers H. Groeller, D.
Rankin. 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.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
Orbital elements:
2021 CQ3 Earth MOID = 0.1983 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 3.37766 (2000.0) P Q
n 0.22960076 Peri. 1.59002 +0.76111268 -0.63434537
a 2.6413168 Node 38.88376 +0.59269221 +0.59542627
e 0.8595481 Incl. 12.44941 +0.26348326 +0.49302485
P 4.29 H 18.9 G 0.15 U 9
Residuals in seconds of arc
210206 G96 0.4+ 0.2- 210206 I52 0.2- 0.1- 210207 I52 0.3+ 0.1-
210206 G96 0.0 0.2+ 210207 I93 0.2+ 0.1+ 210208 I52 0.1+ 0.1+
210206 G96 0.2- 0.5+ 210207 I93 0.1+ 0.5- 210208 I52 0.1- 0.2-
210206 G96 0.3- 0.6- 210207 I93 0.4- 0.5+ 210208 I52 0.3+ 0.1-
210206 G96 0.2+ 0.2- 210207 807 0.4- 0.6- 210209 I52 0.0 0.3-
210206 G96 0.3+ 0.1+ 210207 807 0.6- 0.0 210209 I52 0.2+ 0.2-
210206 G96 0.1+ 0.2+ 210207 807 0.4- 0.7+ 210209 I52 0.1+ 0.3+
210206 G96 0.2- 0.0 210207 I52 0.2+ 0.2+ 210209 I52 0.5- 0.3+
210206 I52 0.1+ 0.2+ 210207 I52 0.4+ 0.0
210206 I52 0.1+ 0.2- 210207 I52 0.2+ 0.1+
Ephemeris:
2021 CQ3 a,e,i = 2.64, 0.86, 12 q = 0.3710
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 01 10 15 07 12.7 -00 21 46 0.6730 0.9424 66.3 72.9 20.5
...
2021 01 25 14 44 38.2 +03 03 22 0.7084 1.1859 87.3 56.0 20.6
...
2021 02 02 14 30 14.8 +05 01 27 0.7180 1.3075 99.1 48.1 20.6
...
2021 02 08 14 17 29.4 +06 36 41 0.7249 1.3953 108.3 42.2 20.6
2021 02 09 14 15 11.0 +06 53 01 0.7262 1.4097 109.8 41.2 20.6
2021 02 10 14 12 49.4 +07 09 28 0.7276 1.4240 111.4 40.2 20.6
...
2021 02 16 13 57 35.4 +08 49 21 0.7384 1.5081 121.1 34.1 20.6
...
2021 02 24 13 34 49.9 +10 59 34 0.7625 1.6164 134.2 26.0 20.5
...
2021 03 11 12 49 17.0 +14 14 58 0.8530 1.8084 156.6 12.6 20.6
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-C144
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