MPEC 2023-F162 : 2020 SH2
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M.P.E.C. 2023-F162 Issued 2023 March 27, 14:10 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 SH2
Revision to MPEC 2020-S120
Additional Observations:
K20S02H C2017 09 26.30262721 50 51.599-28 39 48.26 20.07GVEF162F51
K20S02H C2017 09 26.33879421 50 39.369-28 31 21.57 20.39GVEF162F51
K20S02H KC2020 10 04.41285022 11 32.353+15 31 10.75 21.11GVEF162F52
K20S02H C2020 10 09.21678321 55 44.139+18 42 41.43 21.97GVEF162F52
K20S02H C2020 10 09.24101121 55 40.167+18 43 27.97 21.95GVEF162F52
K20S02H C2020 10 09.25314921 55 38.176+18 43 51.29 21.35GVEF162F52
K20S02H 0C2023 03 26.26005707 35 06.916+59 10 53.32 23.58GVEF162T14
K20S02H 0C2023 03 26.26196507 35 06.749+59 10 45.49 23.55GVEF162T14
K20S02H 0C2023 03 26.26387007 35 06.573+59 10 37.97 23.59GVEF162T14
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.
T14 Canada-France-Hawaii Telescope, Maunakea. Observer A. Acohido. Measurer
D. J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
170926 F51 1.40- 2.27- 230326 T14 0.10- 0.13- MPO600170 +0.30 days
Orbital elements:
2020 SH2 Earth MOID = 0.0464 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 278.10865 (2000.0) P Q
n 0.66137099 Peri. 262.07903 -0.14507482 +0.98939488
a 1.3046859 Node 359.41283 -0.37524464 -0.06170236
e 0.3909704 Incl. 44.21451 -0.91550246 -0.13149370
P 1.49 H 22.02 G 0.15 U 0
Residuals in seconds of arc
170926 F51 0.1- 0.1+ 200920 J95 0.2- 0.0 200926 G96 0.1+ 0.2+
170926 F51 (0.0 0.6-) 200920 595 0.3- 0.1- 200927 I52 0.5+ 0.1+
200911 F51 0.0 0.0 200920 K62 0.0 0.0 200927 I52 0.1- 0.3-
200911 F51 0.9+ 0.2- 200920 J95 0.2- 0.1+ 200927 I52 0.2- 0.3-
200911 F51 0.2+ 0.1+ 200920 K62 0.3- 0.1+ 200927 I52 0.2+ 0.0
200919 F52 0.5+ 0.2- 200920 595 0.1+ 0.5- 201004 I52 0.7- 0.1+
200919 F52 0.1+ 0.1+ 200920 K62 0.5+ 0.3+ 201004 I52 0.5- 0.2-
200919 F52 0.1- 0.2+ 200920 595 0.0 0.7- 201004 I52 0.1+ 0.2-
200920 T08 0.7- 0.2- 200921 703 1.0+ 0.4+ 201004 I52 0.2+ 0.0
200920 T08 0.7+ 1.2- 200921 703 0.8+ 1.1- 201004 F52 0.1+ 0.2-
200920 T08 0.2+ 0.2+ 200921 703 (1.8+ 0.3-) 201005 I52 0.4- 0.0
200920 T08 0.5- 0.2+ 200921 703 0.9+ 0.5+ 201005 I52 0.3- 0.4-
200920 T08 0.4- 0.1+ 200921 F52 0.3- 0.3+ 201005 I52 0.1+ 0.2-
200920 T08 0.1+ 0.1+ 200921 F52 0.4- 0.5+ 201005 I52 0.2- 0.7+
200920 T08 0.3+ 0.1- 200921 F52 0.0 0.1+ 201006 I52 0.2- 0.6+
200920 T08 1.0- 0.3+ 200921 F52 0.0 0.2+ 201006 I52 0.3+ 0.0
200920 T08 0.4+ 0.5- 200921 F52 0.1- 0.1+ 201006 I52 0.1+ 0.1-
200920 L34 1.2- 0.8- 200921 F52 0.2- 0.2+ 201006 I52 0.3+ 0.2+
200920 246 1.4- 0.6+ 200921 K87 0.1- 0.8- 201008 V06 0.2+ 0.1+
200920 L01 0.1- 0.3- 200921 K87 0.5+ 0.3- 201008 V06 0.1+ 0.1-
200920 246 0.5+ 0.0 200921 K87 0.1- 0.0 201008 V06 0.1- 0.3-
200920 246 0.4+ 0.5+ 200922 T05 0.0 0.6+ 201008 V06 0.0 0.1-
200920 L01 0.0 0.3- 200922 T05 0.3+ 0.1+ 201009 F52 0.0 0.1-
200920 L01 0.2+ 0.0 200922 T05 0.2- 0.1+ 201009 F52 0.1- 0.0
200920 246 0.2+ 0.3- 200922 T05 0.7+ 0.2+ 201009 F52 0.2- 0.1+
200920 246 0.0 0.4+ 200923 K87 0.1+ 0.4+ 201010 V06 0.1- 0.3+
200920 246 0.1+ 0.3+ 200923 K87 0.4+ 0.0 201010 V06 0.2- 0.1+
200920 246 0.2+ 0.3- 200923 K87 0.2- 0.1+ 201010 V06 0.1- 0.2-
200920 246 0.2- 0.6- 200924 I52 0.0 0.1+ 201010 V06 0.1- 0.1+
200920 246 0.1- 0.3+ 200924 I52 0.0 0.2- 201012 H21 0.1- 0.1+
200920 246 0.0 0.1- 200924 I52 0.0 0.1+ 201012 H21 0.1- 0.3+
200920 L34 0.1+ 0.0 200924 I52 0.1+ 0.4- 201012 H21 0.2+ 0.2+
200920 A44 0.1- 0.1+ 200925 I52 0.1- 0.5- 201012 H21 0.1+ 0.3+
200920 A44 0.0 0.0 200925 I52 1.0+ 0.3- 201012 H21 0.0 0.5+
200920 J69 0.2+ 0.5+ 200925 I52 0.7+ 0.5+ 201012 H21 0.1- 0.3+
200920 A44 0.2- 0.0 200925 I52 0.4- 0.0 201013 H21 0.1- 0.7-
200920 L34 0.4+ 0.9- 200926 I52 0.3+ 0.1- 201013 H21 0.4+ 0.8-
200920 J69 0.2+ 0.5+ 200926 I52 0.5- 0.0 230326 T14 0.0 0.1+
200920 J95 0.3- 0.2- 200926 I52 0.1- 0.0 230326 T14 0.0 0.2-
200920 J69 0.7+ 0.1+ 200926 G96 0.0 0.0 230326 T14 0.0 0.1-
200920 J95 0.4- 0.1+ 200926 G96 0.1- 0.2-
200920 K62 0.3+ 0.1+ 200926 G96 0.0 0.1-
Ephemeris:
2020 SH2 a,e,i = 1.30, 0.39, 44 q = 0.7946
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 02 25 11 48 31.1 +79 48 19 0.7530 1.4252 109.0 41.1 23.8
...
2023 03 12 08 25 50.2 +73 20 18 0.6798 1.3430 105.2 45.5 23.6
...
2023 03 20 07 48 03.8 +65 51 54 0.6546 1.2965 101.6 48.8 23.5
...
2023 03 26 07 35 28.9 +59 28 02 0.6428 1.2605 98.1 51.6 23.5
2023 03 27 07 34 09.5 +58 21 34 0.6415 1.2544 97.5 52.0 23.5
2023 03 28 07 33 00.3 +57 14 33 0.6403 1.2483 96.9 52.5 23.5
...
2023 04 03 07 28 52.9 +50 24 26 0.6366 1.2112 92.8 55.5 23.5
...
2023 04 11 07 28 13.7 +41 09 32 0.6404 1.1609 87.0 59.5 23.5
...
2023 04 26 07 33 33.2 +24 23 07 0.6687 1.0651 76.0 66.4 23.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-F162
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