MPEC 2023-H215 : 2020 MD2
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M.P.E.C. 2023-H215 Issued 2023 April 27, 14:08 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 MD2
Revision to MPEC 2020-M94
Additional Observations:
K20M02D C2017 08 01.59226702 09 46.979+06 52 10.09 23.34GVEH215F51
K20M02D C2017 08 01.60080702 09 47.951+06 52 09.08 23.31GVEH215F51
K20M02D C2017 08 01.60936302 09 48.946+06 52 08.02 23.41GVEH215F51
K20M02D C2023 04 14.46726315 02 25.983+02 38 16.43 23.24GVEH215F52
K20M02D C2023 04 14.47904015 02 25.735+02 38 27.44 22.58GVEH215F52
K20M02D C2023 04 14.49080715 02 25.420+02 38 37.98 21.71GVEH215F52
K20M02D C2023 04 14.50253215 02 25.180+02 38 48.94 21.90GVEH215F52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
170801 F51 3.9+ 0.5+ 230414 F52 6.8+ 2.1+ MPO740935 -0.00 days
Orbital elements:
2020 MD2 Earth MOID = 0.1914 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 305.99652 (2000.0) P Q
n 0.31885759 Peri. 156.82046 +0.45375727 +0.88620143
a 2.1219650 Node 139.99151 -0.83868365 +0.46017565
e 0.4345898 Incl. 8.36683 -0.30118778 +0.05371583
P 3.09 H 21.66 G 0.15 U 1
Residuals in seconds of arc
170801 F51 0.0 0.4- 200627 F51 0.1- 0.0 200829 L34 1.1- 0.3-
170801 F51 0.0 0.2- 200627 F51 0.0 0.1+ 200829 L34 0.4- 0.6+
170801 F51 0.3+ 0.0 200627 F51 0.0 0.0 200906 F51 0.0 0.0
200620 F51 0.0 0.1- 200712 I52 0.8- 0.8- 200906 F51 0.0 0.1+
200620 F51 0.0 0.0 200712 I52 0.5+ 1.4- 200906 F51 0.1+ 0.0
200622 F52 0.0 0.1- 200712 I52 0.5- 0.1+ 200906 F51 0.0 0.1-
200622 F52 0.1+ 0.2- 200712 I52 0.2+ 0.2- 200915 F52 0.2+ 0.3+
200622 F52 0.1+ 0.0 200722 F51 0.0 0.1+ 200915 F52 0.2- 0.0
200623 I93 0.3- 0.1- 200722 F51 0.1+ 0.0 200915 F52 0.1+ 0.1-
200623 I93 0.3+ 0.8+ 200722 F51 0.1+ 0.1+ 200916 F51 0.1+ 0.0
200623 I93 0.3- 0.6+ 200730 I52 0.1+ 0.2+ 200916 F51 0.0 0.0
200623 673 0.2- 0.2+ 200730 I52 0.0 0.1+ 200916 F51 0.0 0.0
200623 673 0.0 0.1- 200730 I52 0.3+ 0.1- 200916 F51 0.1+ 0.1+
200623 568 0.0 0.0 200730 I52 0.0 0.5- 200918 F51 0.0 0.0
200623 568 0.0 0.0 200810 I52 0.7+ 0.0 200918 F51 0.1+ 0.0
200623 568 0.0 0.0 200810 I52 0.1+ 0.3- 200918 F51 0.0 0.0
200623 568 0.0 0.0 200810 I52 0.2- 0.5- 200918 F51 0.0 0.0
200623 568 0.0 0.0 200817 D29 0.0 0.1+ 201010 V06 0.1+ 0.1+
200623 L01 0.6- 0.7+ 200817 D29 0.1- 0.2- 201010 V06 0.2- 0.3+
200623 L01 1.2+ 0.1- 200817 D29 0.5+ 0.2+ 230414 F52 0.1+ 0.1-
200623 L01 0.4+ 0.4+ 200820 G96 0.2- 0.1- 230414 F52 0.4+ 0.2+
200623 J95 0.1- 0.7+ 200820 G96 0.1- 0.3+ 230414 F52 0.3- 0.1+
200623 J95 0.5- 0.2+ 200820 G96 0.1- 0.1- 230414 F52 0.1+ 0.4+
200624 J95 0.2- 0.1+ 200820 G96 0.2- 0.1+
Ephemeris:
2020 MD2 a,e,i = 2.12, 0.43, 8 q = 1.1998
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 28 15 02 07.0 -01 16 35 0.8732 1.7624 140.7 21.0 23.6
...
2023 04 12 15 03 03.1 +02 01 28 0.7241 1.6769 152.2 16.2 23.0
...
2023 04 20 15 00 13.3 +04 03 32 0.6602 1.6316 156.6 14.1 22.6
...
2023 04 26 14 56 37.8 +05 36 59 0.6197 1.5978 158.1 13.6 22.4
2023 04 27 14 55 55.4 +05 52 23 0.6136 1.5922 158.1 13.6 22.4
2023 04 28 14 55 11.2 +06 07 39 0.6077 1.5866 158.1 13.7 22.4
...
2023 05 04 14 50 14.8 +07 35 43 0.5757 1.5532 156.6 14.9 22.2
...
2023 05 12 14 42 41.6 +09 17 12 0.5421 1.5096 151.8 18.5 22.2
...
2023 05 27 14 28 53.2 +11 03 47 0.5034 1.4311 138.9 27.7 22.2
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H215
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