MPEC 2021-C204 : 2021 CO5
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M.P.E.C. 2021-C204 Issued 2021 February 11, 13:17 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 CO5
Observations:
K21C05O* C2021 02 09.22149708 30 38.44 -10 37 48.4 21.26GVEC204G96
K21C05O C2021 02 09.22811608 30 39.28 -10 37 55.1 21.48GVEC204G96
K21C05O C2021 02 09.23477608 30 40.11 -10 38 02.4 22.16GVEC204G96
K21C05O C2021 02 09.24139008 30 40.94 -10 38 09.2 21.67GVEC204G96
K21C05O KC2021 02 09.33473508 30 52.41 -10 39 46.8 21.46GVEC204V06
K21C05O KC2021 02 09.33790408 30 52.80 -10 39 50.0 21.47GVEC204V06
K21C05O KC2021 02 09.34107808 30 53.20 -10 39 53.2 21.27GVEC204V06
K21C05O KC2021 02 09.34425808 30 53.59 -10 39 56.4 21.03GVEC204V06
K21C05O 4C2021 02 09.87936 08 32 16.84 -10 49 07.5 21.4 GVEC204J04
K21C05O 4C2021 02 09.89145 08 32 18.43 -10 49 20.6 21.0 GVEC204J04
K21C05O 4C2021 02 09.90353 08 32 20.06 -10 49 33.8 21.5 GVEC204J04
K21C05O |C2021 02 10.13960 08 32 53.91 -10 52 40.5 21.1 GVEC204807
K21C05O |C2021 02 10.14373 08 32 54.44 -10 52 44.9 21.1 GVEC204807
K21C05O |C2021 02 10.14786 08 32 54.97 -10 52 49.2 21.2 GVEC204807
K21C05O KC2021 02 11.28261708 35 52.52 -11 13 05.6 20.58GVEC204I52
K21C05O KC2021 02 11.28681608 35 53.20 -11 13 09.7 21.75GVEC204I52
K21C05O KC2021 02 11.29101508 35 53.76 -11 13 13.9 VEC204I52
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 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. Observer T. A. Pruyne.
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.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers A.
Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab, R. Kresken. 1.0-m
f/4.4 reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer 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. 1.55-m reflector +
1K CCD.
Orbital elements:
2021 CO5 Earth MOID = 0.0974 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 332.67275 (2000.0) P Q
n 0.35247142 Peri. 331.78970 -0.95883269 -0.28352133
a 1.9848154 Node 191.77283 +0.27304530 -0.90501353
e 0.4537004 Incl. 4.49352 +0.07801368 -0.31712169
P 2.80 H 24.45 G 0.15 U 8
Residuals in seconds of arc
210209 G96 0.2- 0.3- 210209 V06 0.1- 0.0+ 210210 807 0.0+ 0.1-
210209 G96 0.1+ 0.0+ 210209 V06 0.3- 0.1+ 210210 807 0.0- 0.1-
210209 G96 0.2+ 0.1- 210209 J04 0.2+ 0.3+ 210211 I52 (1.3- 0.2-)
210209 G96 0.5+ 0.1+ 210209 J04 0.3- 0.3+ 210211 I52 0.1+ 0.1-
210209 V06 0.2- 0.0- 210209 J04 0.1+ 0.1+ 210211 I52 0.2- 0.1-
210209 V06 0.2- 0.0- 210210 807 0.1+ -0.0+
Ephemeris:
2021 CO5 a,e,i = 1.98, 0.45, 4 q = 1.0843
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 01 12 07 56 25.8 -01 18 43 0.2539 1.2203 156.3 18.9 22.9
...
2021 01 27 08 08 16.7 -06 24 55 0.1876 1.1562 154.0 21.9 22.2
...
2021 02 04 08 19 44.5 -09 01 44 0.1599 1.1291 151.8 24.4 21.9
...
2021 02 10 08 32 32.1 -10 50 36 0.1421 1.1126 150.5 25.9 21.6
2021 02 11 08 35 07.2 -11 07 37 0.1394 1.1102 150.3 26.1 21.6
2021 02 12 08 37 51.2 -11 24 13 0.1368 1.1079 150.2 26.3 21.5
...
2021 02 18 08 57 43.1 -12 53 41 0.1224 1.0962 150.2 26.6 21.3
...
2021 02 26 09 34 50.0 -14 13 08 0.1078 1.0867 152.4 25.0 20.9
...
2021 03 13 11 12 14.8 -13 00 53 0.09825 1.0883 163.2 15.3 20.4
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-C204
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