MPEC 2020-U139 : 2020 UJ2
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M.P.E.C. 2020-U139 Issued 2020 October 20, 18:56 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
2020 UJ2
Observations:
K20U02J C2020 10 17.41403 04 34 05.52 -00 25 43.2 21.6 GVEU139G96
K20U02J C2020 10 17.42948 04 34 12.34 -00 25 40.7 21.1 GVEU139G96
K20U02J* C2020 10 18.54564204 42 43.077-00 21 52.14 21.54wUEU139F51
K20U02J C2020 10 18.55776004 42 48.358-00 21 49.46 21.25wUEU139F51
K20U02J C2020 10 18.58203704 42 58.950-00 21 44.52 21.19wUEU139F51
K20U02J pC2020 10 19.09835004 46 56.05 -00 20 13.9 21.3 GVEU139L01
K20U02J pC2020 10 19.10081204 46 57.16 -00 20 13.1 21.4 GVEU139L01
K20U02J KC2020 10 19.10866304 47 00.70 -00 20 12.2 21.2 GVEU139L01
K20U02J KC2020 10 19.11127904 47 01.84 -00 20 11.7 21.3 GVEU139L01
K20U02J KC2020 10 20.38422404 56 47.84 -00 14 59.9 21.87GVEU139I52
K20U02J KC2020 10 20.39094304 56 50.83 -00 14 57.5 21.56GVEU139I52
K20U02J KC2020 10 20.40887304 56 58.67 -00 14 52.9 21.36GVEU139I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. Measurers D. Rankin, B.
Gray, F. C. Shelly. 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.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, V. Dobos, D. Pujagic.
Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2020 UJ2 Earth MOID = 0.1004 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 9.40871 (2000.0) P Q
n 0.23656357 Peri. 278.13563 +0.61571296 -0.78702336
a 2.5892310 Node 133.78617 +0.74238115 +0.56296167
e 0.5852144 Incl. 3.06683 +0.26413592 +0.25232596
P 4.17 H 23.7 G 0.15 U 8
Residuals in seconds of arc
201017 G96 0.9- 0.0 201018 F51 0.3+ 0.0 201019 L01 0.1- 0.4-
201017 G96 0.4+ 0.3- 201019 L01 1.3- 0.2+ 201020 I52 0.1- 0.6-
201018 F51 0.0 0.0 201019 L01 1.0- 0.5+ 201020 I52 0.5+ 0.2+
201018 F51 0.1+ 0.1+ 201019 L01 0.1+ 0.4- 201020 I52 0.1+ 0.2+
Ephemeris:
2020 UJ2 a,e,i = 2.59, 0.59, 3 q = 1.0740
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 09 20 01 53 59.5 -00 19 27 0.2552 1.2300 148.9 24.9 22.3
...
2020 10 05 03 07 28.6 -00 37 23 0.1825 1.1523 143.7 30.9 21.6
...
2020 10 13 04 01 10.8 -00 34 55 0.1594 1.1202 137.3 37.1 21.5
...
2020 10 19 04 46 10.9 -00 19 54 0.1500 1.1012 131.5 42.6 21.4
2020 10 20 04 53 50.0 -00 16 03 0.1491 1.0985 130.5 43.6 21.5
2020 10 21 05 01 29.0 -00 11 48 0.1483 1.0959 129.5 44.5 21.5
...
2020 10 27 05 46 20.6 +00 21 32 0.1476 1.0834 124.0 49.5 21.6
...
2020 11 04 06 39 20.1 +01 21 51 0.1548 1.0748 118.7 54.0 21.8
...
2020 11 19 07 47 51.6 +03 40 12 0.1832 1.0843 117.2 54.2 22.2
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-U139
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