MPEC 2023-M25 : 2015 KP157
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M.P.E.C. 2023-M25 Issued 2023 June 17, 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 2015 KP157 Additional Observations: K15KF7P C2017 05 19.42547315 33 51.909-20 00 09.77 22.63GVEM025F51 K15KF7P C2017 05 19.44827915 33 49.635-20 00 04.89 22.81GVEM025F51 K15KF7P C2019 05 30.35419215 31 11.663-20 30 25.15 22.97GVEM025F51 K15KF7P C2019 05 30.39009615 31 08.188-20 30 17.34 22.66GVEM025F51 K15KF7P C2021 06 05.36498115 34 56.659-21 15 17.95 23.22GVEM025F51 K15KF7P C2021 06 05.37586415 34 55.618-21 15 15.16 23.03GVEM025F51 K15KF7P C2021 06 09.35864015 29 01.839-21 00 50.30 22.80GVEM025F51 K15KF7P 0C2023 06 12.46136715 38 54.215-22 00 16.04 23.20GVEM025T14 K15KF7P 0C2023 06 12.46465715 38 53.920-22 00 15.34 23.28GVEM025T14 K15KF7P 0C2023 06 12.46794715 38 53.623-22 00 14.64 23.20GVEM025T14 K15KF7P C2023 06 16.35952015 33 25.813-21 46 58.68 23.31GVEM025F51 K15KF7P C2023 06 16.37044815 33 24.899-21 46 56.22 23.49GVEM025F51 K15KF7P C2023 06 16.38137915 33 23.997-21 46 54.47 22.88GVEM025F51 K15KF7P C2023 06 16.39775815 33 22.637-21 46 50.75 22.52GVEM025F51 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. T14 Canada-France-Hawaii Telescope, Maunakea. Observer C. Cunningham. 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 170519 F51 0.11+ 0.01+ 230616 F51 0.25+ 0.02+ MPO602942 +2.36 days Orbital elements: 2015 KP157 Earth MOID = 0.0888 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres M 159.21933 (2000.0) P Q n 0.50018301 Peri. 2.90062 +0.57111978 -0.81747398 a 1.5717498 Node 52.28347 +0.75122065 +0.48389147 e 0.5185848 Incl. 5.40808 +0.33089231 +0.31238651 P 1.97 H 20.25 G 0.15 U 4 Residuals in seconds of arc 150520 W84 0.2- 0.3+ 150522 W84 0.1+ 0.1- 190530 F51 0.3- 0.4+ 150520 W84 0.0 0.1+ 150522 W84 0.1+ 0.0 190530 F51 0.1- 0.1+ 150520 W84 0.1- 0.0 150522 W84 0.1+ 0.0 210605 F51 0.3+ 0.3- 150520 W84 0.1- 0.2+ 150523 W84 0.1- 0.0 210605 F51 0.1+ 0.1+ 150520 W84 0.0 0.2+ 150523 W84 0.2- 0.1- 210609 F51 0.6- 0.4- 150520 W84 0.2+ 0.3+ 150523 W84 0.3+ 0.3- 230612 T14 0.0 0.1+ 150521 W84 0.2- 0.1- 150524 W84 0.1- 0.1- 230612 T14 0.0 0.0 150521 W84 0.0 0.1+ 150524 W84 0.1- 0.2- 230612 T14 0.0 0.0 150521 W84 0.0 0.0 150524 W84 0.1+ 0.1- 230616 F51 0.0 0.0 150521 W84 0.1+ 0.0 150524 W84 0.2- 0.3- 230616 F51 0.1- 0.2+ 150521 W84 0.1+ 0.0 150524 W84 0.1+ 0.0 230616 F51 0.0 0.2- 150522 W84 0.1+ 0.1- 170519 F51 0.2- 0.1+ 230616 F51 0.1+ 0.1+ 150522 W84 0.0 0.0 170519 F51 0.2+ 0.2- Ephemeris: 2015 KP157 a,e,i = 1.57, 0.52, 5 q = 0.7567 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 05 18 16 20 36.0 -23 11 58 1.3639 2.3648 169.1 4.6 23.2 ... 2023 06 02 15 55 25.0 -22 35 01 1.3396 2.3453 170.3 4.2 23.1 ... 2023 06 10 15 42 35.1 -22 08 39 1.3534 2.3324 159.7 8.7 23.3 ... 2023 06 16 15 33 55.1 -21 48 07 1.3751 2.3216 152.0 11.9 23.5 2023 06 17 15 32 34.6 -21 44 45 1.3796 2.3197 150.7 12.4 23.5 2023 06 18 15 31 16.1 -21 41 26 1.3844 2.3178 149.5 12.9 23.5 ... 2023 06 24 15 24 09.1 -21 22 32 1.4175 2.3056 142.1 15.7 23.7 ... 2023 07 02 15 16 46.5 -21 01 43 1.4727 2.2878 132.7 19.1 23.9 ... 2023 07 17 15 09 40.0 -20 41 40 1.6008 2.2496 116.8 23.8 24.1 A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-M25


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