MPEC 2019-U121 : 2019 UB4
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M.P.E.C. 2019-U121 Issued 2019 October 24, 00:32 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 UB4
Observations:
K19U04B C2019 10 21.29702822 54 53.580-09 35 32.18 18.9 GVEU121F52
K19U04B C2019 10 21.30927522 55 30.956-09 27 27.65 18.6 GVEU121F52
K19U04B C2019 10 21.32150222 56 08.131-09 19 23.69 18.7 GVEU121F52
K19U04B C2019 10 22.36408323 44 43.719-00 30 55.40 19.3 GVEU121F52
K19U04B C2019 10 22.38750123 45 19.746-00 22 02.86 18.7 GVEU121F52
K19U04B C2019 10 22.39915523 45 37.680-00 17 40.70 19.1 GVEU121F52
K19U04B* C2019 10 23.20941 00 08 57.12 +03 47 49.0 19.6 GVEU121703
K19U04B C2019 10 23.21466 00 09 02.28 +03 49 08.3 20.2 GVEU121703
K19U04B C2019 10 23.21990 00 09 07.37 +03 50 27.1 19.9 GVEU121703
K19U04B C2019 10 23.22515 00 09 12.46 +03 51 45.8 20.1 GVEU121703
K19U04B C2019 10 23.29734 00 10 22.48 +04 09 24.4 19.7 GVEU121I52
K19U04B C2019 10 23.29790 00 10 23.02 +04 09 31.9 19.4 GVEU121I52
K19U04B C2019 10 23.29845 00 10 23.54 +04 09 39.9 19.4 GVEU121I52
K19U04B C2019 10 23.37496800 12 22.343+04 31 25.89 19.67wUEU121F52
K19U04B C2019 10 23.38651300 12 32.288+04 34 05.89 19.62wUEU121F52
K19U04B C2019 10 23.39808000 12 42.262+04 36 44.70 19.58wUEU121F52
K19U04B KC2019 10 23.90736 00 22 35.33 +06 15 00.9 19.3 RoEU121K88
K19U04B KC2019 10 23.91056 00 22 37.79 +06 15 36.6 19.3 RoEU121K88
K19U04B KC2019 10 23.91377 00 22 40.27 +06 16 11.7 19.4 RoEU121K88
Observer details:
703 Catalina Sky 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. 0.68-m Schmidt + 10K CCD.
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.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski, K. W.
Wierzchos. 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.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
Orbital elements:
2019 UB4 Earth MOID = 0.0006 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 266.83439 (2000.0) P Q
n 0.97823517 Peri. 267.70534 +0.44516058 +0.89542584
a 1.0050181 Node 28.73124 -0.81593738 +0.40869386
e 0.0909082 Incl. 0.79632 -0.36888786 +0.17658397
P 1.01 H 29.1 G 0.15 U 6
Residuals in seconds of arc
191021 F52 0.5+ 0.3+ 191023 703 0.0 0.1+ 191023 F52 0.2+ 0.2+
191021 F52 0.7- 0.5- 191023 703 0.3- 0.2- 191023 F52 0.2+ 0.1+
191021 F52 0.1+ 0.1+ 191023 703 0.6- 0.4- 191023 K88 0.1- 0.2-
191022 F52 0.0 0.1- 191023 I52 0.2+ 0.2+ 191023 K88 0.0 0.2+
191022 F52 0.2+ 0.3+ 191023 I52 0.1+ 0.3- 191023 K88 0.3+ 0.0
191022 F52 0.0 0.1+ 191023 I52 0.2- 0.2-
191023 703 0.2- 0.2+ 191023 F52 0.1+ 0.0
Ephemeris:
2019 UB4 a,e,i = 1.01, 0.09, 1 q = 0.9137
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 09 24 13 31 40.1 -17 14 17 0.05319 0.9568 28.0 150.5 31.2
...
2019 10 09 13 58 13.6 -21 19 07 0.02162 0.9790 21.5 158.0 31.0
...
2019 10 17 15 40 04.8 -31 42 14 0.0065260.9917 38.6 141.1 25.2
...
2019 10 23 00 03 45.1 +03 01 57 0.0073271.0017 153.0 26.9 19.6
2019 10 24 00 24 18.4 +06 42 22 0.0090971.0033 157.9 21.9 20.0
2019 10 25 00 38 16.1 +09 08 12 0.01094 1.0049 160.8 19.0 20.3
...
2019 10 31 01 13 56.2 +14 53 24 0.02257 1.0147 164.3 15.4 21.7
...
2019 11 08 01 29 59.7 +16 57 39 0.03905 1.0279 160.8 18.5 23.1
...
2019 11 23 01 46 43.8 +18 14 17 0.07351 1.0522 150.5 27.6 24.8
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-U121
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