MPEC 2020-X153 : 2020 XU4
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M.P.E.C. 2020-X153 Issued 2020 December 14, 00:31 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 XU4
Observations:
K20X04U* C2020 12 12.33093 04 34 42.30 +34 32 25.4 VEX153V00
K20X04U C2020 12 12.33574 04 34 47.59 +34 32 38.7 21.5 GVEX153V00
K20X04U C2020 12 12.34056 04 34 52.91 +34 32 52.5 21.2 GVEX153V00
K20X04U C2020 12 12.34537 04 34 58.18 +34 33 06.0 21.2 GVEX153V00
K20X04U KC2020 12 12.43529804 36 37.69 +34 36 55.2 20.70GVEX153V06
K20X04U KC2020 12 12.43746204 36 40.14 +34 37 00.0 20.99GVEX153V06
K20X04U KC2020 12 12.43962404 36 42.58 +34 37 05.3 20.95GVEX153V06
K20X04U KC2020 12 12.44178604 36 45.04 +34 37 10.1 20.24GVEX153V06
K20X04U pC2020 12 12.85641304 44 57.46 +34 56 07.9 21.4 GVEX153L01
K20X04U KC2020 12 12.86175904 45 02.88 +34 56 22.3 21.1 GVEX153L01
K20X04U KC2020 12 12.86728304 45 08.55 +34 56 37.5 21.2 GVEX153L01
K20X04U 2C2020 12 13.93171505 02 45.244+35 32 17.78 VEX153J04
K20X04U 2C2020 12 13.94169105 02 53.311+35 32 35.45 21.3 GVEX153J04
K20X04U 2C2020 12 13.95156105 03 01.188+35 32 54.20 VEX153J04
Observer details:
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers M.
Micheli, D. Koschny, L. Conversi, R. Kresken, A. Knofel, M. Busch, E.
Schwab. 1.0-m f/4.4 reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, D. Pujagic. 1.0-m
f/2.9 reflector + CCD.
V00 Kitt Peak-Bok. Observers H. Groeller, J. V. Scotti. Measurers M. J.
Brucker, E. J. Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A.
R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J.
Leonard, R. S. McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C.
Shelly, K. W. Wierzchos. 2.25-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer D. C. Fuls. 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:
2020 XU4 Earth MOID = 0.0019 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 18.75962 (2000.0) P Q
n 0.51300400 Peri. 331.05199 +0.73823841 -0.67317269
a 1.5454521 Node 71.32642 +0.62727469 +0.66171697
e 0.3801684 Incl. 2.59699 +0.24805343 +0.33010479
P 1.92 H 27.8 G 0.15 U 7
Residuals in seconds of arc
201212 V00 0.3- 0.5+ 201212 V06 0.1- 0.0 201212 L01 0.9+ 0.4-
201212 V00 0.1- 0.1- 201212 V06 0.1+ 0.2+ 201213 J04 0.4+ 0.5+
201212 V00 0.2+ 0.1- 201212 V06 0.4+ 0.1- 201213 J04 0.2+ 0.5-
201212 V00 0.0 0.2- 201212 L01 0.6- 0.1+ 201213 J04 0.6- 0.2+
201212 V06 0.3- 0.3+ 201212 L01 0.3- 0.3-
Ephemeris:
2020 XU4 a,e,i = 1.55, 0.38, 3 q = 0.9579
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 14 20 15 22.1 -31 25 15 0.09190 0.9583 67.7 107.2 26.5
...
2020 11 29 21 51 21.6 -21 36 30 0.03461 0.9785 75.9 102.2 24.2
...
2020 12 07 01 45 00.0 +18 09 19 0.01989 0.9994 135.4 43.8 21.0
...
2020 12 13 04 47 24.7 +35 02 48 0.03569 1.0191 166.0 13.5 21.4
2020 12 14 05 03 36.3 +35 33 47 0.03937 1.0227 166.7 12.8 21.6
2020 12 15 05 17 08.7 +35 52 36 0.04318 1.0264 167.1 12.4 21.8
...
2020 12 21 06 05 11.2 +36 02 50 0.06787 1.0501 167.3 11.9 22.8
...
2020 12 29 06 31 27.2 +35 15 16 0.1041 1.0854 168.0 10.9 23.7
...
2021 01 13 06 50 17.5 +33 32 14 0.1829 1.1605 164.0 13.5 25.2
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X153
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