MPEC 2019-U281 : 2019 UM12
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M.P.E.C. 2019-U281 Issued 2019 October 30, 17:20 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
2019 UM12
Observations:
K19U12M C2019 10 24.43519501 53 42.748-08 23 09.20 20.8 GVEU281F52
K19U12M C2019 10 24.44947401 53 41.992-08 23 10.40 21.0 GVEU281F52
K19U12M* C2019 10 29.28766 01 50 50.48 -08 20 14.8 20.8 GVEU281G96
K19U12M C2019 10 29.29327 01 50 49.97 -08 20 13.4 20.4 GVEU281G96
K19U12M C2019 10 29.29892 01 50 49.45 -08 20 12.3 20.1 GVEU281G96
K19U12M C2019 10 29.34973 01 50 44.96 -08 20 00.9 20.4 GVEU281I52
K19U12M C2019 10 29.35538 01 50 44.48 -08 19 58.8 20.3 GVEU281I52
K19U12M C2019 10 29.39701 01 50 45.529-08 19 33.21 20.1 wUEU281F52
K19U12M C2019 10 29.40875 01 50 44.414-08 19 30.60 20.0 wUEU281F52
K19U12M C2019 10 29.42050 01 50 43.301-08 19 27.91 20.3 wUEU281F52
K19U12M C2019 10 30.26915 01 49 56.51 -08 15 58.4 19.8 GVEU281I52
K19U12M C2019 10 30.27443 01 49 56.01 -08 15 57.2 20.8 GVEU281I52
K19U12M C2019 10 30.27981 01 49 55.45 -08 15 54.8 19.6 GVEU281I52
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, E. Magnier, A. Schultz, 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.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. 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.
Orbital elements:
2019 UM12 Earth MOID = 0.0024 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Bell
M 288.28530 (2000.0) P Q
n 0.30934125 Peri. 52.93488 -0.12570568 -0.98748760
a 2.1652638 Node 44.58571 +0.86171726 -0.15624229
e 0.6086215 Incl. 7.79574 +0.49157038 +0.02136801
P 3.19 H 24.7 G 0.15 U 8
Residuals in seconds of arc
191024 F52 0.0 0.0 191029 I52 0.1- 0.4- 191030 I52 0.4- 0.0
191024 F52 0.0 0.1- 191029 I52 0.0 0.3+ 191030 I52 0.2+ 0.4-
191029 G96 0.3+ 0.0 191029 F52 0.1- 0.0 191030 I52 0.2+ 0.3+
191029 G96 0.1+ 0.2+ 191029 F52 0.1- 0.0
191029 G96 0.1- 0.0 191029 F52 0.0 0.1+
Ephemeris:
2019 UM12 a,e,i = 2.17, 0.61, 8 q = 0.8474
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 09 30 01 53 36.8 -06 34 28 0.3443 1.3231 155.6 18.2 23.9
...
2019 10 15 01 55 39.9 -07 51 32 0.2015 1.1901 161.4 15.5 22.5
...
2019 10 23 01 54 14.7 -08 20 02 0.1332 1.1216 160.5 17.2 21.5
...
2019 10 29 01 51 05.0 -08 20 03 0.08446 1.0723 157.9 20.4 20.5
2019 10 30 01 50 12.1 -08 16 05 0.07649 1.0643 157.4 21.0 20.3
2019 10 31 01 49 08.4 -08 10 07 0.06856 1.0564 156.8 21.7 20.1
...
2019 11 06 01 28 22.0 -05 05 57 0.02158 1.0106 152.3 27.1 17.6
...
2019 11 14 14 12 02.5 +11 54 05 0.04135 0.9553 33.6 145.0 25.3
...
2019 11 29 14 05 01.9 +08 40 39 0.1613 0.8781 44.2 128.4 26.0
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-U281
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