MPEC 2023-O90 : 2023 OW2
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M.P.E.C. 2023-O90 Issued 2023 July 27, 05:56 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 2023 OW2 Observations: K23O02W* C2023 07 22.50610221 59 38.256-16 26 59.21 21.36wXEO090F51 K23O02W C2023 07 22.51708621 59 38.673-16 28 09.50 20.98wXEO090F51 K23O02W C2023 07 22.52807521 59 39.066-16 29 18.69 21.43wXEO090F51 K23O02W C2023 07 22.53903521 59 39.455-16 30 28.11 21.15wXEO090F51 K23O02W C2023 07 25.46213722 02 42.612-22 31 19.73 20.81wXEO090F51 K23O02W C2023 07 25.47305322 02 43.112-22 32 54.41 21.05wXEO090F51 K23O02W C2023 07 25.48399122 02 43.610-22 34 28.47 20.81wXEO090F51 K23O02W C2023 07 26.32267922 03 45.141-24 40 26.72 20.5 GVEO090654 K23O02W C2023 07 26.33155322 03 45.644-24 41 50.79 20.5 GVEO090654 K23O02W KB2023 07 27.01497 22 04 37.65 -26 32 16.2 20.0 VZEO090M49 K23O02W KB2023 07 27.03325 22 04 38.63 -26 35 21.4 20.5 VZEO090M49 K23O02W KB2023 07 27.05154 22 04 39.62 -26 38 26.6 20.0 VZEO090M49 Observer details: 654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi, N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m Reflector + CCD. F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Bulger, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y. Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk. 1.8-m Ritchey- Chretien + CCD. M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius. Measurer D. Husar. 0.25-m f/4.6 reflector + CMO. Orbital elements: 2023 OW2 Earth MOID = 0.0974 AU Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 MPC M 329.93253 (2000.0) P Q n 0.92310576 Peri. 313.39179 +0.21236702 -0.92311155 a 1.0446442 Node 121.66203 +0.96953858 +0.15807155 e 0.4868756 Incl. 22.12496 +0.12204587 +0.35054022 P 1.07 H 23.43 G 0.15 U 9 Residuals in seconds of arc 230722 F51 0.1- 0.3+ 230725 F51 0.0 0.2+ 230726 654 0.1+ 0.0 230722 F51 0.2+ 0.4- 230725 F51 0.0 0.3- 230727 M49 0.2+ 0.0 230722 F51 0.0 0.0 230725 F51 0.1- 0.1+ 230727 M49 0.0 0.1+ 230722 F51 0.1- 0.1+ 230726 654 0.1- 0.0 230727 M49 0.1- 0.3+ Ephemeris: 2023 OW2 a,e,i = 1.04, 0.49, 22 q = 0.5360 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 06 27 21 38 49.9 +00 43 00 0.4536 1.3359 126.3 37.8 23.9 ... 2023 07 12 21 51 05.5 -04 49 54 0.2856 1.2495 140.2 31.4 22.5 ... 2023 07 20 21 57 24.5 -12 32 48 0.2045 1.1972 149.6 25.4 21.5 ... 2023 07 26 22 03 19.5 -23 49 48 0.1512 1.1550 155.4 21.4 20.7 2023 07 27 22 04 36.0 -26 29 33 0.1434 1.1477 155.6 21.5 20.6 2023 07 28 22 06 01.4 -29 27 03 0.1359 1.1404 155.2 21.9 20.4 ... 2023 08 03 22 22 07.6 -54 40 15 0.1033 1.0949 139.1 37.4 20.2 ... 2023 08 11 08 15 38.1 -80 00 14 0.1090 1.0306 95.9 78.1 21.4 ... 2023 08 26 09 42 25.3 -42 14 27 0.2154 0.8995 53.5 115.4 24.4 A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-O90


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