MPEC 2023-M155 : 2019 XC3
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M.P.E.C. 2023-M155 Issued 2023 June 28, 14:07 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 2019 XC3 Revision to MPEC 2019-X110 Additional Observations: K19X03C C2012 01 29.53911809 16 57.809-13 45 11.08 21.95GVEM155F51 K19X03C C2012 01 29.55161509 16 56.445-13 45 13.94 22.64GVEM155F51 K19X03C C2012 01 29.56584509 16 54.880-13 45 17.83 22.86GVEM155F51 K19X03C C2012 01 29.57933309 16 53.423-13 45 20.78 22.45GVEM155F51 K19X03C C2012 02 03.47222709 08 22.358-13 59 55.37 21.66GVEM155F51 K19X03C C2012 02 03.48489809 08 21.022-13 59 56.98 21.67GVEM155F51 K19X03C C2015 07 03.57430623 45 44.069+25 30 02.87 21.53GVEM155F51 K19X03C C2015 12 23.49650909 37 57.172+03 53 35.55 21.58GVEM155F51 K19X03C C2015 12 23.50799709 37 56.075+03 53 17.98 22.07GVEM155F51 K19X03C C2015 12 23.51948809 37 54.996+03 53 00.44 21.29GVEM155F51 K19X03C C2016 01 12.46381408 59 55.186-03 05 19.93 21.48GVEM155F51 K19X03C C2016 01 12.47582608 59 53.592-03 05 31.30 21.29GVEM155F51 K19X03C C2016 02 02.45758308 18 09.245-06 22 47.45 22.53GVEM155F51 K19X03C C2016 02 11.32778908 05 09.220-06 38 40.01 22.47GVEM155F51 K19X03C C2016 02 11.34075908 05 08.212-06 38 40.15 22.71GVEM155F51 K19X03C C2016 02 11.35359208 05 07.191-06 38 40.73 22.79GVEM155F51 K19X03C C2016 02 11.36615008 05 06.205-06 38 40.66 22.30GVEM155F51 K19X03C C2019 07 25.57227122 03 05.519+28 49 24.01 20.52GVEM155F52 K19X03C C2019 07 25.59298322 03 04.970+28 50 45.20 21.46GVEM155F52 K19X03C C2019 07 25.60330922 03 04.703+28 51 25.08 21.08GVEM155F52 K19X03C C2019 09 18.30601217 34 46.149+80 32 14.59 20.55GVEM155F51 K19X03C C2019 09 18.33590517 34 13.454+80 32 35.96 20.16GVEM155F51 K19X03C C2023 06 15.52812520 49 54.384-14 08 03.79 22.46GVEM155F51 K19X03C C2023 06 15.54059420 49 54.223-14 07 49.67 22.41GVEM155F51 K19X03C C2023 06 15.55307120 49 54.098-14 07 36.08 22.65GVEM155F51 K19X03C C2023 06 15.56556620 49 53.957-14 07 22.48 23.18GVEM155F51 K19X03C C2023 06 25.52550520 46 21.645-10 45 08.40 22.18GVEM155F51 K19X03C C2023 06 25.54695620 46 20.829-10 44 39.88 22.04GVEM155F51 K19X03C C2023 06 25.55623320 46 20.458-10 44 27.62 21.97GVEM155F51 K19X03C KC2023 06 27.38951420 45 11.488-10 02 56.29 22.35GVEM155I52 K19X03C KC2023 06 27.40194020 45 10.933-10 02 39.05 22.25GVEM155I52 K19X03C KC2023 06 27.41433620 45 10.400-10 02 22.13 22.24GVEM155I52 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. I52 Steward Observatory, Mt. Lemmon Station. Observer J. K. Hogan. Measurers E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos. 1.0-m prime focus + CCD. First and last observations above in comparison with prediction: Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T 120129 F51 0.17+ 0.10+ 230627 I52 0.15+ 0.12+ MPO545156 +0.06 days Orbital elements: 2019 XC3 Earth MOID = 0.2942 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres M 297.89700 (2000.0) P Q n 0.24250384 Peri. 108.01839 +0.74244671 -0.50553297 a 2.5467734 Node 284.54173 +0.29811166 +0.83692297 e 0.5866645 Incl. 27.00723 +0.59991860 +0.20975310 P 4.06 H 20.15 G 0.15 U 0 Residuals in seconds of arc 120129 F51 0.2+ 0.1- 191210 H36 0.4- 0.1- 191229 I41 0.8- 0.6- 120129 F51 0.1+ 0.2+ 191210 H36 0.2+ 0.1+ 191229 F51 0.2+ 0.1+ 120129 F51 0.2- 0.2- 191210 H36 0.1- 0.2+ 191229 F51 0.1+ 0.0 120129 F51 0.1- 0.1+ 191210 F52 0.1+ 0.1+ 191229 F51 0.0 0.0 120203 F51 0.1+ 0.0 191210 F52 0.1+ 0.0 200101 246 (6.0+ 0.5-) 120203 F51 0.1+ 0.3- 191210 F52 0.0 0.0 200101 246 0.6+ 0.3+ 150703 F51 0.2- 0.2- 191210 203 0.3+ 0.2+ 200101 246 0.2+ 0.6+ 151223 F51 0.0 0.1+ 191211 203 0.2- 0.0 200101 246 0.2+ 0.2- 151223 F51 0.0 0.0 191211 J95 0.7- 0.2+ 200104 I52 0.1+ 0.0 151223 F51 0.3+ 0.1- 191211 J95 0.1- 0.4- 200104 I52 0.1+ 0.0 160112 F51 0.1+ 0.1+ 191211 F51 0.0 0.0 200104 I52 0.0 0.1- 160112 F51 0.0 0.0 191211 F51 0.1- 0.0 200104 I52 0.0 0.2+ 160202 F51 0.2+ 0.2- 191211 F51 0.2- 0.1- 200105 G96 0.1+ 0.1+ 160211 F51 0.1- 0.2+ 191217 I52 0.1- 0.1- 200105 G96 0.1- 0.1- 160211 F51 0.0 0.2+ 191217 I52 0.1- 0.0 200105 G96 0.2- 0.1+ 160211 F51 0.2- 0.2- 191217 I52 0.5+ 0.3+ 200105 G96 0.2+ 0.0 160211 F51 0.3- 0.0 191217 I52 0.2- 0.1- 200107 I52 0.5+ 0.3- 190710 G96 0.4+ 0.1- 191220 I52 0.5- 0.2- 200107 I52 0.2- 0.3+ 190710 G96 0.6+ 0.1- 191220 I52 0.3+ 0.2+ 200107 I52 0.3+ 0.1- 190725 F52 0.1- 0.0 191220 I52 0.1+ 0.1+ 200107 I52 0.1+ 0.1+ 190725 F52 0.2- 0.4+ 191220 I52 0.0 0.1- 200114 807 0.1+ 0.1+ 190725 F52 0.2- 0.1+ 191220 703 1.0- 0.1- 200114 807 0.0 0.3+ 190918 F51 0.1+ 0.2- 191220 703 1.2- 0.6- 200114 807 0.0 0.0 190918 F51 0.1- 0.3- 191220 703 0.6+ 0.7+ 200114 I52 0.5+ 0.2- 191117 G96 0.7- 0.3+ 191220 703 1.2+ 0.0 200114 I52 0.3+ 0.2+ 191117 G96 0.5- 0.5+ 191221 I52 0.0 0.1+ 200114 I52 (1.0- 0.2-) 191117 G96 (1.1+ 0.2-) 191221 I52 0.1- 0.2+ 200114 I52 0.2+ 0.1+ 191117 G96 0.4+ 0.3- 191221 I52 0.2+ 0.2+ 230615 F51 0.1- 0.0 191207 T05 1.1+ 0.6+ 191221 I52 0.3+ 0.2- 230615 F51 0.4- 0.3+ 191207 T05 0.0 0.1+ 191222 711 0.2+ 0.1+ 230615 F51 0.1- 0.1+ 191207 T05 0.2- 0.2- 191222 711 0.1+ 0.0 230615 F51 0.0 0.2- 191207 T05 0.2+ 0.1+ 191222 711 0.1+ 0.0 230625 F51 0.1- 0.2+ 191207 T05 0.5+ 0.4- 191229 I41 0.5- 0.4- 230625 F51 0.1+ 0.1+ 191207 L01 1.3- 0.5+ 191229 I41 0.5- 0.4- 230625 F51 0.1- 0.1- 191207 L01 0.7- 0.8+ 191229 I41 0.5- 0.5- 230627 I52 0.1+ 0.0 191207 L01 0.3- 0.0 191229 I41 0.9- 0.5- 230627 I52 0.0 0.1+ 191210 H36 0.4- 0.3+ 191229 I41 0.3- 0.5- 230627 I52 0.1+ 0.1- 191210 H36 0.7- 0.4- 191229 F51 0.1- 0.0 Ephemeris: 2019 XC3 a,e,i = 2.55, 0.59, 27 q = 1.0527 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 05 29 20 46 51.0 -18 47 32 1.3911 2.0705 118.0 25.6 23.6 ... 2023 06 13 20 50 07.7 -14 53 41 1.1400 1.9585 130.5 23.2 23.0 ... 2023 06 21 20 48 30.9 -12 21 38 1.0187 1.8976 137.7 21.1 22.6 ... 2023 06 27 20 45 27.0 -10 11 48 0.9350 1.8516 143.1 19.2 22.3 2023 06 28 20 44 46.2 -09 48 42 0.9217 1.8439 144.0 18.9 22.3 2023 06 29 20 44 02.6 -09 25 09 0.9087 1.8362 145.0 18.5 22.2 ... 2023 07 05 20 38 35.6 -06 54 13 0.8346 1.7898 150.2 16.4 21.9 ... 2023 07 13 20 28 17.6 -03 06 20 0.7487 1.7275 156.0 13.9 21.5 ... 2023 07 28 19 59 51.7 +05 12 06 0.6326 1.6104 154.7 15.6 21.0 A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-M155


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