MPEC 2023-S172 : 2022 MS1
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M.P.E.C. 2023-S172 Issued 2023 September 23, 14:06 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 2022 MS1 Revision to MPEC 2022-M67 Additional Observations: K22M01S KC2011 09 21.53309800 38 29.619+24 57 40.57 21.78GVES172F51 K22M01S KC2011 09 25.34787100 31 00.331+23 53 22.77 21.71GVES172F51 K22M01S C2011 09 30.34033500 19 51.619+22 04 41.90 21.26GVES172F51 K22M01S C2011 09 30.35059400 19 50.133+22 04 27.11 21.62GVES172F51 K22M01S C2011 10 05.32716100 07 27.728+19 45 56.32 22.39GVES172F51 K22M01S C2011 11 01.07008 22 57 42.59 +00 19 41.6 21.6 GVES172G96 K22M01S C2011 11 01.07759 22 57 41.54 +00 19 19.9 22.1 GVES172G96 K22M01S C2011 11 01.08505 22 57 40.53 +00 18 57.6 22.7 GVES172G96 K22M01S C2011 11 01.09252 22 57 39.55 +00 18 35.4 21.5 GVES172G96 K22M01S C2021 09 13.29326022 16 32.584+19 15 37.25 22.68GVES172F51 K22M01S C2021 09 13.31913622 16 29.941+19 15 10.39 23.13GVES172F51 K22M01S C2021 09 13.33208922 16 28.630+19 14 57.41 23.13GVES172F51 K22M01S C2022 07 19.33695616 32 34.058+28 18 11.96 22.33GVES172F52 K22M01S C2022 07 19.34856716 32 34.550+28 17 45.71 22.46GVES172F52 K22M01S C2022 07 19.36013316 32 35.052+28 17 19.75 22.90GVES172F52 K22M01S C2022 07 19.37168816 32 35.568+28 16 53.70 23.03GVES172F52 K22M01S C2022 07 26.36194516 38 29.954+24 11 51.27 23.36GVES172F52 K22M01S C2023 08 24.54629002 09 53.249+27 32 00.40 23.67GVES172F52 K22M01S C2023 09 10.45843702 24 20.560+27 55 59.05 22.58GVES172F52 K22M01S C2023 09 10.48417402 24 21.505+27 55 57.40 22.50GVES172F52 K22M01S C2023 09 10.49695102 24 21.961+27 55 56.37 22.37GVES172F52 K22M01S 0C2023 09 13.63411402 26 22.274+27 49 05.37 22.91GVES172T12 K22M01S 0C2023 09 15.54205102 27 28.405+27 42 29.00 22.48GVES172T12 K22M01S 0C2023 09 15.54391702 27 28.457+27 42 28.54 22.69GVES172T12 K22M01S C2023 09 17.48725802 28 28.953+27 33 33.68 20.02GVES172F52 K22M01S C2023 09 17.49751402 28 29.225+27 33 30.58 21.55GVES172F52 K22M01S C2023 09 17.50784102 28 29.464+27 33 27.70 20.66GVES172F52 K22M01S C2023 09 20.60443802 29 49.560+27 14 03.60 22.02GVES172F52 K22M01S C2023 09 20.61228902 29 49.709+27 13 59.91 22.28GVES172F52 K22M01S C2023 09 20.62011502 29 49.851+27 13 56.08 22.68GVES172F52 K22M01S C2023 09 20.62791802 29 49.992+27 13 52.62 21.99GVES172F52 Observer details: F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, P. Minguez, 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, P. Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD. G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers B. Gray, D. Rankin, F. C. Shelly. 1.5-m reflector + CCD. T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. Hung. Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD. First and last observations above in comparison with prediction: Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T 110921 F51 0.06+ 0.01+ 230920 F52 0.02+ 0.00+ MPO714649 +0.02 days Orbital elements: 2022 MS1 Earth MOID = 0.1034 AU Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres M 297.61465 (2000.0) P Q n 0.57835592 Peri. 302.07119 -0.81964755 -0.54467918 a 1.4267217 Node 206.26388 +0.55829124 -0.82893299 e 0.6526809 Incl. 23.64699 -0.12840866 -0.12725833 P 1.70 H 21.01 G 0.15 U 0 Residuals in seconds of arc 110921 F51 0.1+ 0.0 220621 I52 0.2- 0.2- 220707 V06 0.6+ 0.0 110925 F51 0.4+ 0.1+ 220623 H21 0.1- 0.1- 220707 V06 0.1+ 0.3- 110930 F51 0.2- 0.1- 220623 H21 0.4+ 0.0 220719 F52 0.1+ 0.1- 110930 F51 0.1+ 0.2+ 220623 H21 0.0 0.3+ 220719 F52 0.0 0.2- 111005 F51 0.1- 0.2- 220623 I52 0.0 0.3- 220719 F52 0.0 0.0 111101 G96 0.2+ 0.1- 220623 I52 0.1- 0.1- 220719 F52 0.2+ 0.0 111101 G96 0.4- 0.3+ 220625 H21 0.6- 0.2- 220726 F52 0.1- 0.4- 111101 G96 0.3- 0.0 220625 H21 0.0 0.1- 220729 T12 0.2- 0.0 111101 G96 0.2+ 0.2- 220625 H21 0.2+ 0.4- 220729 T12 0.0 0.1+ 210913 F51 0.0 0.1+ 220629 I52 0.7+ 0.5+ 220803 T12 0.1+ 0.1+ 210913 F51 0.2- 0.3- 220629 I52 0.2- 0.1+ 220826 T12 0.0 0.0 210913 F51 0.1- 0.0 220629 I52 0.4- 0.0 230824 F52 0.0 0.1- 220620 G96 0.2- 0.1- 220629 I52 0.2- 0.1- 230910 F52 0.0 0.0 220620 G96 0.1- 0.2- 220704 H21 0.1+ 0.3+ 230910 F52 0.1- 0.1+ 220620 G96 0.2- 0.1+ 220704 H21 0.4- 0.3- 230910 F52 0.2- 0.1+ 220620 G96 0.6+ 0.0 220704 H21 0.8- 0.2- 230913 T12 0.1+ 0.0 220620 I52 0.1- 0.3+ 220705 H21 0.4- 0.4- 230915 T12 0.1+ 0.0 220620 I52 0.2+ 0.2- 220705 H21 0.0 0.7- 230915 T12 0.1+ 0.0 220620 I52 0.1- 0.4- 220706 H21 0.1+ 0.1+ 230917 F52 0.2- 0.1+ 220621 H21 0.2- 0.2+ 220706 H21 0.1+ 0.0 230917 F52 0.1+ 0.1+ 220621 H21 0.6- 0.0 220706 H21 0.0 0.4+ 230917 F52 0.0 0.3+ 220621 H21 0.2+ 0.2+ 220706 V06 0.1+ 0.2- 230920 F52 0.1- 0.1+ 220621 I52 0.2+ 0.1+ 220706 V06 0.2+ 0.2- 230920 F52 0.0 0.0 220621 I52 0.0 0.6+ 220706 V06 0.1+ 0.3+ 230920 F52 0.1+ 0.2- 220621 I52 0.3+ 1.2+ 220707 V06 0.0 0.1+ 230920 F52 0.1+ 0.0 Ephemeris: 2022 MS1 a,e,i = 1.43, 0.65, 24 q = 0.4955 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 08 24 02 09 20.3 +27 29 59 1.1029 1.7339 110.1 33.2 23.8 ... 2023 09 08 02 22 34.8 +27 58 14 0.8467 1.6183 121.3 32.1 23.1 ... 2023 09 16 02 27 43.1 +27 40 34 0.7153 1.5517 127.9 30.7 22.6 ... 2023 09 22 02 30 19.7 +27 02 57 0.6201 1.4992 133.4 29.1 22.1 2023 09 23 02 30 38.4 +26 54 00 0.6045 1.4903 134.3 28.8 22.0 2023 09 24 02 30 54.8 +26 44 09 0.5891 1.4813 135.3 28.5 22.0 ... 2023 09 30 02 31 37.9 +25 22 23 0.4984 1.4259 141.5 25.9 21.4 ... 2023 10 08 02 29 27.6 +22 04 25 0.3839 1.3487 151.2 20.9 20.6 ... 2023 10 23 02 07 24.0 +04 15 49 0.1994 1.1928 171.6 7.0 18.4 A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-S172


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