MPEC 2023-M131 : 2023 MB4
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M.P.E.C. 2023-M131 Issued 2023 June 25, 11:25 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 MB4 Observations: K23M04B* C2023 06 23.95389817 04 29.784-05 16 55.13 18.84oVEM131M22 K23M04B C2023 06 23.95682217 04 31.390-05 16 01.45 18.66oVEM131M22 K23M04B C2023 06 23.96284917 04 34.730-05 14 04.96 18.46oVEM131M22 K23M04B C2023 06 23.98929017 04 49.238-05 05 44.74 19.23oVEM131M22 K23M04B KC2023 06 24.03136717 05 18.39 -04 58 10.4 18.3 GXEM131I93 K23M04B KC2023 06 24.03364317 05 19.71 -04 57 27.3 18.7 GXEM131I93 K23M04B KC2023 06 24.03585217 05 20.91 -04 56 45.8 18.6 GXEM131I93 K23M04B C2023 06 24.04203 17 05 18.90 -04 49 06.9 18.7 GVEM131M28 K23M04B KC2023 06 24.04384317 05 26.462-04 54 36.36 19.2 GVEM131J95 K23M04B C2023 06 24.04486 17 05 20.51 -04 48 14.0 18.8 GVEM131M28 K23M04B C2023 06 24.04733 17 05 21.93 -04 47 27.7 19.3 GVEM131M28 K23M04B KC2023 06 24.04921517 05 29.501-04 52 55.56 19.0 GVEM131J95 K23M04B C2023 06 24.05086 17 05 23.96 -04 46 20.5 18.9 GVEM131M28 K23M04B KB2023 06 24.09635517 06 03.206-04 33 17.86 18.9 GXEM131Y05 K23M04B KB2023 06 24.10196117 06 06.086-04 31 34.08 18.7 GXEM131Y05 K23M04B KB2023 06 24.10750117 06 08.950-04 29 51.28 19.1 GXEM131Y05 K23M04B KC2023 06 24.14518817 06 40.28 -04 22 40.3 18.9 VuEM131H21 K23M04B KC2023 06 24.14863517 06 42.13 -04 21 37.2 18.9 VuEM131H21 K23M04B KC2023 06 24.15143417 06 43.62 -04 20 45.8 18.8 VuEM131H21 K23M04B KC2023 06 24.15422717 06 45.11 -04 19 54.8 19.3 VuEM131H21 K23M04B C2023 06 24.21386817 07 23.868-04 01 29.84 19.0 GVEM131654 K23M04B C2023 06 24.21560117 07 24.756-04 00 58.56 19.0 GVEM131654 K23M04B KB2023 06 24.24386 17 07 33.68 -03 52 45.3 19.2 rZEM131H36 K23M04B KB2023 06 24.24849 17 07 36.06 -03 51 22.1 18.9 rZEM131H36 K23M04B KB2023 06 24.25388 17 07 38.87 -03 49 44.7 19.1 rZEM131H36 K23M04B C2023 06 24.30421017 08 09.854-03 34 30.61 18.8 GVEM131654 K23M04B C2023 06 24.30644817 08 10.971-03 33 50.77 18.8 GVEM131654 K23M04B KC2023 06 24.52415 17 10 21.16 -02 25 52.7 19.8 VqEM131E23 K23M04B KC2023 06 24.53803 17 10 27.74 -02 21 57.3 19.2 VqEM131E23 K23M04B KC2023 06 24.55192 17 10 34.40 -02 18 03.2 19.6 VqEM131E23 K23M04B KC2023 06 24.87332 17 13 36.91 -00 55 55.2 19.4 VZEM131C95 K23M04B KC2023 06 24.87379317 13 36.38 -00 55 53.2 19.6 GVEM131203 K23M04B KC2023 06 24.87408617 13 35.58 -00 55 48.5 XEM131595 K23M04B KC2023 06 24.88314 17 13 41.39 -00 53 20.2 19.6 VZEM131C95 K23M04B KC2023 06 24.88893517 13 43.29 -00 51 53.9 19.6 GVEM131203 K23M04B bC2023 06 24.89065317 13 43.14 -00 51 25.6 19.0 GVEM131L01 K23M04B bC2023 06 24.89213717 13 43.79 -00 51 02.6 18.9 GVEM131L01 K23M04B KC2023 06 24.89278 17 13 45.79 -00 50 48.2 19.6 VZEM131C95 K23M04B bC2023 06 24.89361917 13 44.47 -00 50 39.0 19.0 GVEM131L01 K23M04B bC2023 06 24.89510117 13 45.16 -00 50 15.7 19.3 GVEM131L01 K23M04B bC2023 06 24.90011617 13 47.46 -00 48 56.6 18.6 GVEM131L01 K23M04B KC2023 06 24.90288 17 13 50.41 -00 48 09.1 19.6 VZEM131C95 K23M04B KC2023 06 24.90356217 13 48.88 -00 48 18.2 19.4 GVEM131G34 K23M04B KC2023 06 24.90357317 13 49.96 -00 48 03.4 19.6 GVEM131203 K23M04B KC2023 06 24.90462 17 13 50.07 -00 47 40.8 19.2 GXEM131K83 K23M04B KB2023 06 24.90677 17 13 51.029-00 47 25.33 19.2 GXEM131K74 K23M04B KB2023 06 24.90732817 13 51.727-00 47 19.09 18.9 GXEM131B72 K23M04B KC2023 06 24.90961117 13 51.65 -00 46 44.0 18.9 GVEM131G34 K23M04B KC2023 06 24.91016 17 13 52.57 -00 46 13.9 19.0 GXEM131K83 K23M04B KB2023 06 24.91198 17 13 53.412-00 46 03.43 18.8 GXEM131K74 K23M04B KB2023 06 24.91236917 13 53.980-00 46 00.66 18.8 GXEM131B72 K23M04B KC2023 06 24.91339117 13 53.46 -00 45 30.5 19.1 GXEM131595 K23M04B KC2023 06 24.91343 17 13 55.18 -00 45 23.2 19.5 VZEM131C95 K23M04B KC2023 06 24.91478 17 13 54.65 -00 45 02.0 19.1 GXEM131K83 K23M04B KC2023 06 24.91566117 13 54.39 -00 45 08.7 19.3 GVEM131G34 K23M04B KB2023 06 24.91711 17 13 55.754-00 44 43.04 19.1 GXEM131K74 K23M04B KB2023 06 24.91712617 13 56.231-00 44 45.76 19.4 GXEM131B72 K23M04B KB2023 06 24.92150317 13 58.242-00 43 36.76 19.0 GXEM131B72 K23M04B KC2023 06 24.92378 17 13 59.84 -00 42 41.2 19.2 VZEM131C95 K23M04B KC2023 06 24.92492317 13 58.66 -00 42 29.6 18.7 GXEM131595 K23M04B KB2023 06 24.92597617 14 00.245-00 42 27.27 19.1 GXEM131B72 K23M04B KC2023 06 24.93644417 14 03.88 -00 39 29.8 19.5 GXEM131595 K23M04B KC2023 06 24.94322 17 14 07.44 -00 37 37.6 19.6 GVEM131104 K23M04B KC2023 06 24.95964 17 14 14.78 -00 33 22.0 20.4 GVEM131104 K23M04B KC2023 06 24.96212 17 14 16.39 -00 32 49.1 VEM131204 K23M04B KC2023 06 24.96688 17 14 18.02 -00 31 29.4 19.7 GVEM131104 K23M04B KC2023 06 24.97606 17 14 22.66 -00 29 12.9 19.5 GVEM131204 K23M04B KC2023 06 25.14993317 15 58.85 +00 15 13.7 19.0 VuEM131H21 K23M04B KC2023 06 25.15186217 15 59.68 +00 15 42.5 19.4 VuEM131H21 K23M04B KC2023 06 25.15379017 16 00.50 +00 16 11.5 19.3 VuEM131H21 K23M04B KC2023 06 25.15591117 16 01.38 +00 16 43.3 19.6 VuEM131H21 K23M04B C2023 06 25.21907217 16 34.754+00 32 37.79 20.0 GVEM131654 K23M04B C2023 06 25.22308217 16 36.424+00 33 36.85 20.0 GVEM131654 K23M04B C2023 06 25.26850017 16 55.098+00 44 43.08 19.3 GVEM131654 K23M04B C2023 06 25.27280817 16 56.858+00 45 45.94 19.3 GVEM131654 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. 203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli. 0.36-m f/5.76 Schmidt-Cassegrain + CCD. 204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector + CCD. 595 Farra d'Isonzo. Observers N. Moretta, E. Pettarin. Measurer E. Pettarin. 0.61-m f/4.5 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. B72 Soerth. Observer B. Koch. 0.36-m f/7.6 Schmidt-Cassegrain + CMO. C95 SATINO Remote Observatory, Haute Provence. Observers D. Husar, K. Meo. Measurer D. Husar. 0.30-m f/5.8 reflector + CCD. E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD. G34 Oberfrauendorf. Observer T. Felber. 0.35-m f/6.3 Schmidt-Cassegrain + CCD. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD. H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m f/4.2 .56 meter reflector + CMOS. 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. K74 Muensterschwarzach Observatory, Schwarzach. Observer C. Gerhard. 0.30-m f/3.75 reflector + CMO. K83 Beppe Forti Astronomical Observatory, Montelupo. Observers M. Tombelli, A. Mazzanti, F. Cheli, G. Bimbi, G. Gambacciani. Measurers M. Tombelli, F. Bernardi. 0.40-m f/8 Ritchey-Chretien + CCD. L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector + CCD. M22 ATLAS South Africa, Sutherland. Observers L. Denneau, R. Siverd, J. Tonry, H. Weiland. Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence, J. Robinson, R. Siverd, J. Tonry, H. Weiland. 0.5-m Reflector + CCD. M28 Lesedi Telescope-SAAO Observatory, Sutherland. Observers N. Erasmus, S. Potter, C. van Gend, S. Chandra. Measurers N. Erasmus, T. Ngwane. 1.0-m f/8 Reflector + CCD. Y05 SONEAR Wykrota-CEAMIG, Serra da Piedade. Observer C. Jacques. 0.45-m f/2.9 reflector + CMO. Orbital elements: 2023 MB4 Earth MOID = 0.0202 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres M 307.14758 (2000.0) P Q n 0.72883402 Peri. 313.34937 -0.72099167 +0.65940227 a 1.2228794 Node 269.11668 -0.55806454 -0.73474406 e 0.1930162 Incl. 12.29842 -0.41077364 -0.15918484 P 1.35 H 25.47 G 0.15 U 7 Residuals in seconds of arc 230623 M22 0.0 1.6+ 230624 654 0.0 0.1- 230624 B72 0.8- 0.4- 230623 M22 0.0 0.6- 230624 654 0.2- 0.1- 230624 595 0.3- 0.2- 230623 M22 0.5+ 0.8+ 230624 E23 0.2- 0.7+ 230624 C95 0.0 0.3+ 230623 M22 0.5- 2.3- 230624 E23 0.6- 1.1+ 230624 K83 0.2- 0.3- 230624 I93 0.7- 0.2- 230624 E23 0.4+ 0.5+ 230624 G34 0.3- 0.3+ 230624 I93 0.1+ 0.1+ 230624 C95 0.1- 0.1+ 230624 K74 0.1+ 0.4+ 230624 I93 0.4- 0.0 230624 203 0.3+ 0.3- 230624 B72 0.2+ 0.1- 230624 M28 0.9+ 1.3- 230624 595 0.0 1.0+ 230624 B72 0.3+ 0.2+ 230624 J95 0.0 0.1- 230624 C95 0.5- 0.0 230624 C95 0.0 0.1+ 230624 M28 0.9+ 1.6- 230624 203 0.3- 0.1- 230624 595 0.4- 0.1- 230624 M28 1.1+ 1.8- 230624 L01 0.0 0.4+ 230624 B72 0.4- 0.3- 230624 J95 0.1- 0.2- 230624 L01 0.3- 0.0 230624 595 0.1+ 0.5- 230624 M28 1.3+ 0.9- 230624 C95 0.5- 0.0 230624 104 0.3- 0.2+ 230624 Y05 0.4- 0.2+ 230624 L01 0.3- 0.2+ 230624 104 0.3- 0.1+ 230624 Y05 0.4- 0.1+ 230624 L01 0.0 0.2+ 230624 204 0.0 0.1+ 230624 Y05 0.2- 0.3+ 230624 L01 0.4+ 0.4+ 230624 104 0.2- 0.2+ 230624 H21 0.4- 0.0 230624 C95 0.0 0.1+ 230624 204 0.3+ 0.1- 230624 H21 0.1- 0.0 230624 G34 0.4+ 0.8+ 230625 H21 0.2- 0.2- 230624 H21 0.0 0.1+ 230624 203 0.2- 0.0 230625 H21 0.0 0.3- 230624 H21 0.1+ 0.0 230624 K83 0.3- 0.5+ 230625 H21 0.1- 0.1- 230624 654 0.3+ 0.1- 230624 K74 0.2+ 0.3+ 230625 H21 0.4- 0.0 230624 654 0.1+ 0.1- 230624 B72 0.2+ 0.3+ 230625 654 0.2+ 0.0 230624 H36 0.1- 0.3+ 230624 G34 0.2+ 0.0 230625 654 0.1+ 0.1- 230624 H36 0.1- 0.1+ 230624 K83 0.2- 0.4+ 230625 654 0.0 0.1- 230624 H36 0.4+ 0.6+ 230624 K74 0.1+ 0.4+ 230625 654 0.1+ 0.1- Ephemeris: 2023 MB4 a,e,i = 1.22, 0.19, 12 q = 0.9868 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 05 26 07 10 29.7 -44 53 49 0.1071 0.9957 77.8 96.2 24.1 ... 2023 06 10 08 30 53.9 -57 13 16 0.04655 1.0166 90.5 86.9 21.9 ... 2023 06 18 14 32 53.5 -52 55 22 0.02305 1.0320 133.6 45.5 19.1 ... 2023 06 24 17 05 04.0 -05 04 46 0.03144 1.0452 156.1 23.2 19.2 2023 06 25 17 14 37.6 -00 20 13 0.03478 1.0475 153.0 26.2 19.5 2023 06 26 17 22 29.0 +03 31 56 0.03838 1.0499 150.0 28.9 19.8 ... 2023 07 02 17 50 22.0 +16 10 57 0.06281 1.0647 138.8 39.0 21.1 ... 2023 07 10 18 07 06.6 +21 52 07 0.09833 1.0859 132.8 43.3 22.3 ... 2023 07 25 18 23 35.8 +23 32 04 0.1684 1.1291 128.8 44.5 23.6 M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-M131


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