MPEC 2023-M129 : 2023 MA4
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M.P.E.C. 2023-M129 Issued 2023 June 25, 11:22 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 MA4 Observations: K23M04A C2023 06 07.54240617 25 14.630+48 58 50.60 22.52GVEM129F51 K23M04A C2023 06 07.55526617 25 13.547+48 58 45.79 22.19GVEM129F51 K23M04A C2023 06 07.56810117 25 12.496+48 58 41.10 22.18GVEM129F51 K23M04A C2023 06 07.58099817 25 11.465+48 58 36.56 22.18GVEM129F51 K23M04A C2023 06 08.56896417 23 56.123+48 53 01.89 21.90GVEM129F52 K23M04A C2023 06 08.58281217 23 54.928+48 52 56.10 21.18GVEM129F52 K23M04A C2023 06 15.31902 17 14 48.96 +47 45 48.6 VEM129G96 K23M04A C2023 06 15.32467 17 14 48.46 +47 45 43.3 21.3 GVEM129G96 K23M04A* C2023 06 21.43945717 06 11.832+45 55 38.11 21.77wXEM129F52 K23M04A C2023 06 21.45223117 06 10.624+45 55 20.49 22.12wXEM129F52 K23M04A C2023 06 21.46499717 06 09.427+45 55 03.14 21.99wXEM129F52 K23M04A C2023 06 21.56901217 05 59.872+45 52 37.95 21.66GVEM129F51 K23M04A C2023 06 21.56965217 05 59.822+45 52 36.97 21.79GVEM129F51 K23M04A C2023 06 21.57093817 05 59.709+45 52 35.20 22.02GVEM129F51 K23M04A KC2023 06 24.26239917 02 19.169+44 46 58.01 21.87GVEM129I52 K23M04A KC2023 06 24.26706917 02 18.712+44 46 49.91 21.42GVEM129I52 K23M04A KC2023 06 24.27173217 02 18.301+44 46 42.56 21.66GVEM129I52 K23M04A C2023 06 24.27320417 02 18.068+44 46 39.86 21.1 GVEM129H01 K23M04A KC2023 06 24.27638017 02 17.884+44 46 35.94 21.13GVEM129I52 K23M04A C2023 06 24.27682817 02 17.744+44 46 34.13 21.7 GVEM129H01 K23M04A C2023 06 24.29163117 02 16.392+44 46 10.43 21.6 GVEM129H01 K23M04A C2023 06 24.29599517 02 15.996+44 46 03.51 21.6 GVEM129H01 K23M04A C2023 06 24.44879517 02 03.352+44 42 03.54 21.49GVEM129F52 K23M04A C2023 06 24.46297317 02 02.082+44 41 40.32 21.31GVEM129F52 K23M04A C2023 06 24.47721417 02 00.799+44 41 16.86 21.84GVEM129F52 K23M04A C2023 06 25.25199017 00 59.284+44 20 03.47 22.0 GVEM129H01 K23M04A C2023 06 25.25876617 00 58.676+44 19 52.01 22.0 GVEM129H01 K23M04A C2023 06 25.26618417 00 58.011+44 19 39.60 21.6 GVEM129H01 K23M04A C2023 06 25.27331517 00 57.365+44 19 27.53 21.7 GVEM129H01 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, K. Chambers, T. de Boer, J. Bulger, H. Gao, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, A. Schultz, I. Smith. 1.8-m Ritchey-Chretien + CCD. G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers B. Gray, D. Rankin, F. C. Shelly. 1.5-m reflector + 10K CCD. H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD. I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski. 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. Orbital elements: 2023 MA4 Earth MOID = 0.1520 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres M 250.56463 (2000.0) P Q n 0.60014322 Peri. 184.96174 +0.71668417 +0.61326800 a 1.3919793 Node 131.37288 -0.62366204 +0.77668249 e 0.1617667 Incl. 26.26357 -0.31210488 -0.14375910 P 1.64 H 21.40 G 0.15 U 8 Residuals in seconds of arc 230607 F51 0.1- 0.1+ 230621 F52 0.2+ 0.1+ 230624 H01 0.0 0.0 230607 F51 0.1- 0.2- 230621 F51 0.2+ 0.2+ 230624 H01 0.0 0.1+ 230607 F51 0.1+ 0.3- 230621 F51 0.3+ 0.1+ 230624 F52 0.2- 0.1- 230607 F51 0.5+ 0.2- 230621 F51 0.3+ 0.2+ 230624 F52 0.1+ 0.1- 230608 F52 0.1+ 0.0 230624 I52 0.1+ 0.4+ 230624 F52 0.3+ 0.1- 230608 F52 0.2- 0.1+ 230624 I52 0.3- 0.3- 230625 H01 0.1- 0.0 230615 G96 0.5- 0.4+ 230624 I52 0.1- 0.3- 230625 H01 0.1- 0.1- 230615 G96 0.1- 0.1- 230624 H01 0.1- 0.0 230625 H01 0.1- 0.0 230621 F52 0.2+ 0.3+ 230624 I52 0.0 0.5+ 230625 H01 0.1- 0.1- 230621 F52 0.2+ 0.0 230624 H01 0.0 0.0 Ephemeris: 2023 MA4 a,e,i = 1.39, 0.16, 26 q = 1.1668 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 05 26 17 38 16.0 +48 49 43 0.5551 1.2923 107.4 48.4 22.5 ... 2023 06 10 17 22 05.5 +48 43 02 0.4920 1.2594 108.3 49.9 22.2 ... 2023 06 18 17 11 02.6 +47 03 39 0.4563 1.2430 109.2 50.5 22.0 ... 2023 06 24 17 02 40.6 +44 53 47 0.4292 1.2314 110.0 50.8 21.9 2023 06 25 17 01 19.6 +44 27 01 0.4247 1.2296 110.2 50.9 21.9 2023 06 26 16 59 59.9 +43 58 41 0.4202 1.2277 110.4 50.9 21.8 ... 2023 07 02 16 52 35.0 +40 34 36 0.3937 1.2171 111.5 51.0 21.7 ... 2023 07 10 16 44 43.8 +34 22 54 0.3604 1.2043 113.0 51.0 21.5 ... 2023 07 25 16 38 47.8 +17 04 49 0.3140 1.1848 115.4 50.8 21.1 M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-M129


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