MPEC 2020-A85 : 2011 UC292
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M.P.E.C. 2020-A85 Issued 2020 January 6, 22:48 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
2011 UC292
Revision to MPEC 2011-V10
Additional Observations:
K11UT2C C2019 12 28.44930508 53 37.421+10 14 41.94 21.6 GVEA085F51
K11UT2C C2019 12 28.46132008 53 37.062+10 14 37.38 21.8 GVEA085F51
K11UT2C C2019 12 28.46196008 53 37.047+10 14 37.18 21.5 GVEA085F51
K11UT2C C2019 12 28.47337308 53 36.702+10 14 32.90 21.5 GVEA085F51
K11UT2C C2019 12 28.47401208 53 36.680+10 14 32.67 21.6 GVEA085F51
K11UT2C C2019 12 28.48539108 53 36.337+10 14 28.45 21.7 GVEA085F51
K11UT2C C2019 12 28.48602908 53 36.318+10 14 28.11 21.7 GVEA085F51
K11UT2C C2020 01 06.26345 08 47 26.57 +09 25 16.4 20.5 GVEA085G96
K11UT2C C2020 01 06.26862 08 47 26.17 +09 25 15.3 20.9 GVEA085G96
K11UT2C C2020 01 06.27379 08 47 25.78 +09 25 14.3 20.7 GVEA085G96
K11UT2C C2020 01 06.27895 08 47 25.40 +09 25 12.5 20.9 GVEA085G96
K11UT2C C2020 01 06.42166 08 47 13.93 +09 24 33.6 21.1 GVEA085I52
K11UT2C C2020 01 06.42470 08 47 13.70 +09 24 33.2 21.5 GVEA085I52
K11UT2C C2020 01 06.42866 08 47 13.40 +09 24 32.0 21.0 GVEA085I52
K11UT2C C2020 01 06.43261 08 47 13.08 +09 24 30.5 20.8 GVEA085I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. 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. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. 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. 1.0-m
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
191228 F51 8+ 1+ 200106 I52 11+ 2+ MPO215231 +2.82 days
Orbital elements:
2011 UC292 Earth MOID = 0.0162 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 25.03003 (2000.0) P Q
n 0.87991685 Peri. 52.41287 -0.50840450 +0.86111081
a 1.0785533 Node 187.03232 -0.79906259 -0.47332494
e 0.2594084 Incl. 1.68939 -0.32097327 -0.18561162
P 1.12 H 22.8 G 0.15 U 5
Residuals in seconds of arc
111031 G96 0.9+ 0.6+ 111102 G96 0.1- 0.6- 191228 F51 0.0 0.0
111031 G96 0.3+ 0.1- 111102 G96 0.5- 0.5- 191228 F51 0.0 0.1+
111031 G96 0.6+ 0.1- 111102 291 1.0- 0.8+ 191228 F51 0.0 0.0
111031 G96 0.7+ 0.5+ 111102 291 0.1+ 0.5+ 200106 G96 0.2- 0.2-
111031 B18 0.4- 0.1- 111102 291 0.9- 0.2- 200106 G96 0.2- 0.0
111031 B18 0.3+ 0.5- 111118 H21 0.2+ 0.0 200106 G96 0.1- 0.4+
111031 B18 0.8+ 0.3- 111118 H21 0.0 0.2- 200106 G96 0.2+ 0.1-
111101 291 0.2- 0.2+ 111118 H21 0.1- 0.2- 200106 I52 0.3- 0.3-
111101 291 1.3- 0.4+ 191228 F51 0.0 0.1+ 200106 I52 0.0 0.2+
111101 291 0.8- 0.2+ 191228 F51 0.0 0.0 200106 I52 0.3+ 0.1+
111102 G96 1.0+ 0.2- 191228 F51 0.0 0.0 200106 I52 0.3+ 0.2-
111102 G96 0.4+ 0.2- 191228 F51 0.0 0.0
Ephemeris:
2011 UC292 a,e,i = 1.08, 0.26, 2 q = 0.7988
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 07 08 45 53.2 +13 00 29 0.4502 1.2911 123.8 39.4 23.2
...
2019 12 22 08 54 08.3 +10 59 35 0.3400 1.2519 136.3 32.9 22.3
...
2019 12 30 08 53 00.8 +10 05 01 0.2867 1.2275 144.2 27.9 21.8
...
2020 01 05 08 48 45.2 +09 31 35 0.2500 1.2077 150.8 23.4 21.3
2020 01 06 08 47 42.7 +09 26 46 0.2442 1.2043 152.0 22.6 21.2
2020 01 07 08 46 34.0 +09 22 11 0.2385 1.2009 153.1 21.7 21.1
...
2020 01 13 08 37 19.4 +09 00 10 0.2060 1.1795 160.4 16.3 20.6
...
2020 01 21 08 17 27.6 +08 47 52 0.1681 1.1492 168.5 9.8 19.9
...
2020 02 05 07 10 45.6 +09 23 56 0.1163 1.0879 149.9 27.1 19.5
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-A85
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