MPEC 2020-X77 : 2020 XE2
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M.P.E.C. 2020-X77 Issued 2020 December 9, 08:58 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 XE2
Observations:
K20X02E* C2020 12 07.41382 05 21 25.43 +23 19 05.8 21.4 GVEX077V00
K20X02E C2020 12 07.41926 05 21 25.97 +23 19 11.6 21.2 GVEX077V00
K20X02E C2020 12 07.42468 05 21 26.49 +23 19 16.8 21.2 GVEX077V00
K20X02E C2020 12 07.43011 05 21 27.02 +23 19 22.2 21.6 GVEX077V00
K20X02E KC2020 12 07.47262 05 21 31.20 +23 20 04.5 21.7 RoEX077291
K20X02E KC2020 12 07.48341 05 21 32.28 +23 20 15.3 oEX077291
K20X02E KC2020 12 07.49016 05 21 32.96 +23 20 22.0 oEX077291
K20X02E KC2020 12 08.27471 05 23 02.51 +23 34 24.3 oEX077691
K20X02E KC2020 12 08.29761 05 23 04.72 +23 34 50.0 oEX077691
K20X02E KC2020 12 08.34225605 23 08.86 +23 35 36.5 VEX077V06
K20X02E KC2020 12 08.34463205 23 09.14 +23 35 40.0 21.78GVEX077V06
K20X02E KC2020 12 08.34700905 23 09.38 +23 35 42.2 21.85GVEX077V06
K20X02E KC2020 12 08.34938505 23 09.63 +23 35 43.9 21.57GVEX077V06
K20X02E KC2020 12 09.20957 05 24 48.32 +23 51 12.5 21.2 RoEX077291
K20X02E KC2020 12 09.21405 05 24 48.80 +23 51 17.6 20.8 RoEX077291
K20X02E KC2020 12 09.21853 05 24 49.21 +23 51 23.0 21.0 RoEX077291
Observer details:
291 LPL/Spacewatch II. Observers T. H. Bressi, M. T. Read. 1.8-m f/2.7
reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer M. T. Read. 0.9-m
f/3 reflector + CCD.
V00 Kitt Peak-Bok. 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. 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 XE2 Earth MOID = 0.1831 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 355.55906 (2000.0) P Q
n 0.29168503 Peri. 23.81725 -0.16853699 -0.98442085
a 2.2517835 Node 75.91592 +0.89585676 -0.17418204
e 0.4825829 Incl. 2.96131 +0.41113981 -0.02400440
P 3.38 H 24.36 G 0.15 U 9
Residuals in seconds of arc
201207 V00 0.2- 0.1- 201207 291 0.1- 0.1+ 201208 V06 0.4+ 0.5-
201207 V00 0.1+ 0.2+ 201208 691 0.1- 0.3- 201209 291 0.1- 0.1-
201207 V00 0.0+ 0.0- 201208 691 0.3+ 0.4+ 201209 291 0.3+ 0.1-
201207 V00 0.1+ 0.1- 201208 V06 0.7- 0.4- 201209 291 0.2- 0.2+
201207 291 0.1+ 0.2- 201208 V06 0.0+ 0.5+
201207 291 0.0- 0.0- 201208 V06 0.2+ 0.2+
Ephemeris:
2020 XE2 a,e,i = 2.25, 0.48, 3 q = 1.1651
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 09 04 38 41.3 +17 29 46 0.3318 1.3002 155.8 18.2 23.5
...
2020 11 24 04 59 35.8 +19 56 19 0.2570 1.2380 165.8 11.3 22.6
...
2020 12 02 05 12 02.8 +21 48 57 0.2280 1.2116 171.0 7.3 22.1
...
2020 12 08 05 22 31.2 +23 29 36 0.2110 1.1953 174.6 4.4 21.8
2020 12 09 05 24 22.9 +23 47 33 0.2086 1.1929 175.2 4.0 21.7
2020 12 10 05 26 16.8 +24 05 46 0.2063 1.1906 175.7 3.6 21.7
...
2020 12 16 05 38 29.5 +25 59 46 0.1948 1.1788 177.2 2.4 21.4
...
2020 12 24 05 57 16.0 +28 34 50 0.1860 1.1687 174.1 5.0 21.5
...
2021 01 08 06 39 00.8 +32 27 48 0.1883 1.1675 166.9 11.0 21.8
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X77
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