MPEC 2020-X76 : 2020 XD2
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M.P.E.C. 2020-X76 Issued 2020 December 9, 08:57 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 XD2
Observations:
K20X02D* C2020 12 07.43699 05 58 28.19 +40 16 56.5 21.4 GVEX076V00
K20X02D C2020 12 07.44190 05 58 27.36 +40 16 21.9 21.6 GVEX076V00
K20X02D C2020 12 07.44683 05 58 26.53 +40 15 46.8 21.2 GVEX076V00
K20X02D C2020 12 07.45173 05 58 25.71 +40 15 12.9 21.6 GVEX076V00
K20X02D KC2020 12 07.49384 05 58 18.78 +40 10 15.0 21.5 RoEX076291
K20X02D KC2020 12 07.49765 05 58 18.25 +40 09 47.4 oEX076291
K20X02D KC2020 12 07.50145 05 58 17.54 +40 09 21.0 21.7 RoEX076291
K20X02D KC2020 12 07.50208705 58 17.39 +40 09 15.6 22.56GVEX076V06
K20X02D KC2020 12 07.50475805 58 17.06 +40 08 57.1 22.05GVEX076V06
K20X02D KC2020 12 07.51009405 58 16.11 +40 08 19.0 VEX076V06
K20X02D KC2020 12 08.35874605 56 13.16 +38 29 04.1 20.76GVEX076V06
K20X02D KC2020 12 08.36232105 56 12.52 +38 28 38.5 21.43GVEX076V06
K20X02D KC2020 12 08.36587705 56 11.95 +38 28 13.2 21.34GVEX076V06
K20X02D KC2020 12 08.37950805 56 09.70 +38 26 35.7 21.11GVEX076V06
K20X02D KC2020 12 08.47201 05 55 54.48 +38 15 31.9 21.7 RoEX076291
K20X02D KC2020 12 08.48748 05 55 52.05 +38 13 39.6 20.2 RoEX076291
K20X02D KC2020 12 09.28335205 54 00.31 +36 38 31.3 21.18GVEX076I52
K20X02D KC2020 12 09.28755205 53 59.59 +36 38 01.5 21.19GVEX076I52
Observer details:
291 LPL/Spacewatch II. Observers T. H. Bressi, M. T. Read. 1.8-m f/2.7
reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. Rankin. 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.
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 XD2 Earth MOID = 0.1839 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 16.12742 (2000.0) P Q
n 0.58974694 Peri. 157.79829 +0.44104912 -0.80971444
a 1.4082905 Node 264.12354 +0.75380805 +0.56829425
e 0.1782242 Incl. 22.90064 +0.48708223 -0.14630166
P 1.67 H 24.11 G 0.15 U 9
Residuals in seconds of arc
201207 V00 0.1+ 0.2+ 201207 291 0.2- 0.2- 201208 V06 0.0- 0.0-
201207 V00 0.0+ 0.1+ 201207 V06 0.6- 0.3- 201208 V06 0.4+ 0.2-
201207 V00 0.1- 0.3- 201207 V06 0.5+ 0.1+ 201208 291 0.0- 0.4+
201207 V00 0.1- 0.3+ 201207 V06 0.6- 0.1- 201208 291 0.5+ 0.0+
201207 291 0.1- 0.0- 201208 V06 0.1+ 0.1+ 201209 I52 0.1+ 0.2-
201207 291 0.9+ 0.6- 201208 V06 0.3- 0.0- 201209 I52 0.3- 0.2+
Ephemeris:
2020 XD2 a,e,i = 1.41, 0.18, 23 q = 1.1573
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 09 06 57 04.9 +71 33 27 0.3137 1.1595 115.2 50.6 23.8
...
2020 11 24 06 33 25.3 +60 32 37 0.2358 1.1577 131.7 39.5 22.9
...
2020 12 02 06 12 33.9 +49 54 35 0.2038 1.1603 145.9 28.4 22.2
...
2020 12 08 05 57 06.5 +39 11 22 0.1890 1.1639 159.5 17.3 21.7
2020 12 09 05 54 40.2 +37 12 40 0.1875 1.1646 161.9 15.2 21.6
2020 12 10 05 52 17.2 +35 11 36 0.1863 1.1654 164.4 13.1 21.6
...
2020 12 16 05 39 20.8 +22 43 38 0.1866 1.1707 178.8 1.0 21.0
...
2020 12 24 05 26 27.2 +07 34 23 0.2056 1.1799 161.0 15.8 21.9
...
2021 01 08 05 15 35.1 -09 59 48 0.2817 1.2026 136.2 34.5 23.2
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X76
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