MPEC 2023-M136 : 2023 MG4
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M.P.E.C. 2023-M136 Issued 2023 June 25, 11:36 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 MG4 Observations: K23M04G* C2023 06 24.35644116 18 56.545+22 48 13.14 21.55GVEM136V00 K23M04G C2023 06 24.36188116 18 51.160+22 46 07.50 20.13GVEM136V00 K23M04G C2023 06 24.36733816 18 45.824+22 44 03.01 20.17GVEM136V00 K23M04G C2023 06 24.37276716 18 40.597+22 41 59.82 VEM136V00 K23M04G KC2023 06 24.42243 16 17 52.54 +22 22 52.3 oEM136291 K23M04G KC2023 06 24.42633 16 17 48.78 +22 21 21.0 19.8 RoEM136291 K23M04G KC2023 06 24.43032 16 17 44.98 +22 19 48.3 20.2 RoEM136291 K23M04G KC2023 06 24.43660316 17 39.026+22 17 20.94 19.85GVEM136I52 K23M04G KC2023 06 24.43834916 17 37.367+22 16 40.51 19.92GVEM136I52 K23M04G KC2023 06 24.44009216 17 35.732+22 16 00.19 20.12GVEM136I52 K23M04G KC2023 06 24.44183016 17 34.048+22 15 19.12 19.60GVEM136I52 K23M04G bC2023 06 24.86391216 11 04.50 +19 25 36.5 20.2 GVEM136L01 K23M04G bC2023 06 24.86539216 11 02.93 +19 24 59.2 20.3 GVEM136L01 K23M04G bC2023 06 24.86687316 11 01.36 +19 24 21.8 20.4 GVEM136L01 K23M04G bC2023 06 24.86835616 10 59.80 +19 23 43.2 19.9 GVEM136L01 K23M04G bC2023 06 24.86983716 10 58.24 +19 23 05.7 20.3 GVEM136L01 K23M04G bC2023 06 24.87357916 10 54.35 +19 21 31.5 20.3 GVEM136L01 K23M04G bC2023 06 24.87732016 10 50.40 +19 19 56.2 20.0 GVEM136L01 K23M04G KC2023 06 24.92765616 10 00.00 +18 58 30.9 20.6 GXEM136I93 K23M04G KC2023 06 24.93241516 09 54.96 +18 56 28.4 20.5 GXEM136I93 K23M04G KC2023 06 24.93557116 09 52.015+18 54 44.24 19.9 GVEM136J95 K23M04G KC2023 06 24.93712416 09 50.00 +18 54 27.0 20.0 GXEM136I93 K23M04G KC2023 06 24.93821616 09 49.195+18 53 35.45 19.4 GVEM136J95 K23M04G KC2023 06 24.94096616 09 46.318+18 52 25.03 19.1 GVEM136J95 K23M04G KC2023 06 24.97991 16 09 02.73 +18 35 51.6 19.3 GVEM136104 K23M04G KC2023 06 24.99020 16 08 51.89 +18 31 21.6 19.7 GVEM136104 K23M04G KC2023 06 25.12113816 06 50.07 +17 33 58.3 19.0 VuEM136H21 K23M04G KC2023 06 25.12306716 06 47.97 +17 33 06.5 19.4 VuEM136H21 K23M04G KC2023 06 25.12499516 06 45.86 +17 32 14.8 19.1 VuEM136H21 K23M04G KC2023 06 25.12692316 06 43.78 +17 31 23.0 19.3 VuEM136H21 K23M04G C2023 06 25.20606816 05 23.585+16 55 51.75 19.8 GVEM136654 K23M04G C2023 06 25.21010816 05 19.129+16 54 01.27 19.8 GVEM136654 K23M04G C2023 06 25.21795316 05 08.081+16 50 28.20 19.5 GVEM136H01 K23M04G C2023 06 25.22272616 05 02.796+16 48 16.99 19.8 GVEM136H01 K23M04G C2023 06 25.22880616 04 58.437+16 45 28.21 20.0 GVEM136654 K23M04G C2023 06 25.23152516 04 53.047+16 44 14.50 19.8 GVEM136H01 K23M04G C2023 06 25.23281616 04 53.999+16 43 37.75 20.0 GVEM136654 K23M04G C2023 06 25.23761916 04 46.287+16 41 26.01 19.5 GVEM136H01 Observer details: 104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, M. D. Grazia, T. Giovannetti. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m F4 Reflector + CCD. 291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD. 654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi, N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m Reflector + 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. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + 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. I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CMO. J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain + CCD. L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector + CCD. V00 Kitt Peak-Bok. Observer R. A. Mastaler. Measurers M. J. Brucker, E. J. Christensen, C. E. Woodward, 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, R. S. McMillan, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos. 2.25-m reflector + 4x4K mosaic CCD. Orbital elements: 2023 MG4 Earth MOID = 0.0203 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres M 198.54658 (2000.0) P Q n 0.87370975 Peri. 241.17136 +0.83866036 +0.36314972 a 1.0836556 Node 94.94802 -0.23545796 +0.91377508 e 0.0787807 Incl. 24.04402 -0.49112966 +0.18203677 P 1.13 H 25.18 G 0.15 U 8 Residuals in seconds of arc 230624 V00 1.0+ 1.7+ 230624 L01 0.3- 0.9+ 230625 H21 0.0 0.2+ 230624 V00 0.0 0.1+ 230624 L01 0.4- 0.2- 230625 H21 0.1- 0.1+ 230624 V00 0.1- 0.2+ 230624 L01 0.5- 0.1- 230625 H21 0.2- 0.1+ 230624 V00 0.8+ 1.2+ 230624 L01 0.1+ 0.7+ 230625 H21 0.0 0.1+ 230624 291 0.3- 1.1- 230624 L01 0.2- 0.4+ 230625 654 0.1- 0.0 230624 291 0.7- 1.8- 230624 I93 0.0 0.1+ 230625 654 0.0 0.0 230624 291 0.5- 1.7- 230624 I93 0.1- 0.2+ 230625 H01 0.0 0.2- 230624 I52 0.1+ 0.1+ 230624 J95 0.3+ 0.4+ 230625 H01 0.0 0.1- 230624 I52 0.1+ 0.4+ 230624 I93 0.3+ 0.3+ 230625 654 0.0 0.1- 230624 I52 0.4+ 0.8+ 230624 J95 0.3- 0.1- 230625 H01 0.1+ 0.0 230624 I52 0.1- 0.3+ 230624 J95 0.1- 0.5+ 230625 654 0.1+ 0.1- 230624 L01 0.2+ 0.6+ 230624 104 0.0 0.2- 230625 H01 0.1+ 0.2- 230624 L01 0.1- 0.7+ 230624 104 0.1- 0.1- Ephemeris: 2023 MG4 a,e,i = 1.08, 0.08, 24 q = 0.9983 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 05 26 18 31 41.9 +52 08 56 0.2322 1.0797 100.5 67.3 24.5 ... 2023 06 10 18 05 10.8 +49 52 57 0.1338 1.0602 106.2 66.9 23.3 ... 2023 06 18 17 26 33.4 +43 24 22 0.08039 1.0501 113.1 62.9 22.0 ... 2023 06 24 16 24 26.4 +24 57 11 0.04453 1.0428 125.4 52.6 20.4 2023 06 25 16 08 49.8 +18 29 12 0.03990 1.0417 128.3 49.9 20.1 2023 06 26 15 51 08.8 +10 22 44 0.03610 1.0405 130.9 47.6 19.8 ... 2023 07 02 13 20 05.8 -47 17 23 0.04151 1.0336 113.1 64.8 20.6 ... 2023 07 10 10 18 20.7 -63 25 47 0.08895 1.0252 93.0 82.0 22.8 ... 2023 07 25 08 33 56.1 -63 35 36 0.1869 1.0119 83.5 85.9 24.6 M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-M136


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