MPEC 2020-X31 : 2020 XM
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M.P.E.C. 2020-X31 Issued 2020 December 6, 19:04 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 XM
Observations:
K20X00M C2020 11 10.43099504 41 16.902+01 13 56.57 22.10GVEX031F51
K20X00M C2020 11 10.44326704 41 15.939+01 14 12.32 22.24GVEX031F51
K20X00M C2020 11 10.45559604 41 14.933+01 14 28.59 21.33GVEX031F51
K20X00M C2020 11 16.38516504 32 31.01 +03 42 32.4 21.15GVEX031G96
K20X00M C2020 11 16.39033104 32 30.40 +03 42 42.1 22.07GVEX031G96
K20X00M C2020 11 16.39549404 32 29.94 +03 42 50.7 22.29GVEX031G96
K20X00M C2020 11 16.40066404 32 29.37 +03 42 59.2 22.47GVEX031G96
K20X00M* C2020 12 05.33976 03 47 28.60 +16 20 17.5 21.9 GVEX031V00
K20X00M C2020 12 05.34466 03 47 27.71 +16 20 32.2 21.0 GVEX031V00
K20X00M C2020 12 05.34953 03 47 26.85 +16 20 46.5 21.1 GVEX031V00
K20X00M C2020 12 05.35441 03 47 25.95 +16 21 01.1 21.1 GVEX031V00
K20X00M KC2020 12 05.41267403 47 15.43 +16 23 52.5 20.87GVEX031V06
K20X00M KC2020 12 05.41445803 47 15.14 +16 23 58.4 20.69GVEX031V06
K20X00M KC2020 12 05.41623503 47 14.82 +16 24 04.0 20.82GVEX031V06
K20X00M KC2020 12 05.41801303 47 14.47 +16 24 08.6 20.66GVEX031V06
K20X00M KC2020 12 06.11716303 45 14.07 +16 59 02.1 21.2 VuEX031H21
K20X00M KC2020 12 06.12444703 45 12.72 +16 59 23.8 21.5 VuEX031H21
K20X00M KC2020 12 06.14038203 45 10.30 +17 00 13.1 21.03GVEX031V06
K20X00M KC2020 12 06.14172003 45 10.04 +17 00 17.5 21.17GVEX031V06
K20X00M KC2020 12 06.14305303 45 09.79 +17 00 21.4 21.44GVEX031V06
K20X00M KC2020 12 06.14438803 45 09.54 +17 00 25.6 21.02GVEX031V06
K20X00M KC2020 12 06.27330 03 44 45.86 +17 06 55.0 21.0 RoEX031691
K20X00M KC2020 12 06.28349 03 44 43.98 +17 07 26.4 21.0 RoEX031691
K20X00M C2020 12 06.29125 03 44 42.59 +17 07 48.9 21.3 GVEX031V00
K20X00M KC2020 12 06.29368 03 44 42.12 +17 07 56.8 21.3 RoEX031691
K20X00M C2020 12 06.29695 03 44 41.53 +17 08 06.3 21.4 GVEX031V00
K20X00M C2020 12 06.30219 03 44 40.57 +17 08 21.8 21.2 GVEX031V00
K20X00M C2020 12 06.30733 03 44 39.63 +17 08 37.2 21.4 GVEX031V00
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. 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. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + 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 XM Earth MOID = 0.2987 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 331.30071 (2000.0) P Q
n 0.43631331 Peri. 60.23329 -0.59828242 -0.70743299
a 1.7216191 Node 71.51472 +0.52678959 -0.70111954
e 0.3197846 Incl. 23.37606 +0.60378049 -0.08927458
P 2.26 H 22.1 G 0.15 U 6
Residuals in seconds of arc
201110 F51 0.2- 0.1+ 201205 V00 0.0 0.1+ 201206 V06 0.3- 0.0
201110 F51 0.2+ 0.1- 201205 V06 0.1- 0.5- 201206 691 0.5- 0.2-
201110 F51 0.1+ 0.1+ 201205 V06 0.4+ 0.2+ 201206 691 0.5- 0.6+
201116 G96 0.4- 0.6- 201205 V06 0.3+ 0.5+ 201206 V00 0.1+ 0.2-
201116 G96 1.1- 0.3+ 201205 V06 0.1- 0.1- 201206 691 0.2- 0.4+
201116 G96 0.4+ 0.1+ 201206 H21 0.7+ 0.4+ 201206 V00 0.0 0.0
201116 G96 0.3+ 0.2- 201206 H21 0.4+ 0.0 201206 V00 0.1+ 0.2-
201205 V00 0.2- 0.1- 201206 V06 0.1+ 0.4- 201206 V00 0.2+ 0.2-
201205 V00 0.2- 0.0 201206 V06 0.1- 0.0
201205 V00 0.2+ 0.1- 201206 V06 0.2- 0.2-
Ephemeris:
2020 XM a,e,i = 1.72, 0.32, 23 q = 1.1711
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 06 04 46 00.9 -00 11 51 0.5403 1.4708 146.1 22.1 22.7
...
2020 11 21 04 23 49.4 +06 07 28 0.4309 1.4063 163.5 11.5 21.7
...
2020 11 29 04 05 02.5 +11 21 54 0.3918 1.3732 169.2 7.7 21.3
...
2020 12 05 03 48 28.4 +16 03 33 0.3730 1.3492 165.0 10.9 21.3
2020 12 06 03 45 34.1 +16 53 17 0.3708 1.3452 163.7 11.9 21.3
2020 12 07 03 42 38.1 +17 43 36 0.3689 1.3413 162.3 12.9 21.3
...
2020 12 13 03 24 45.2 +22 52 40 0.3628 1.3185 153.2 19.7 21.5
...
2020 12 21 03 01 50.6 +29 39 28 0.3683 1.2896 140.6 29.0 21.8
...
2021 01 05 02 29 47.8 +40 39 02 0.4085 1.2420 120.6 43.0 22.3
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X31
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