MPEC 2023-M12 : 2023 LZ1
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M.P.E.C. 2023-M12 Issued 2023 June 16, 22:56 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 LZ1 Observations: K23L01Z C2023 05 31.43929413 57 44.982+60 44 33.35 21.67GVEM012F52 K23L01Z C2023 06 07.38470514 11 59.521+58 26 16.57 22.30GVEM012F51 K23L01Z C2023 06 07.39883014 12 00.970+58 25 58.53 21.92GVEM012F51 K23L01Z C2023 06 07.41293114 12 02.408+58 25 41.07 21.86GVEM012F51 K23L01Z C2023 06 08.39379614 13 52.595+58 05 58.15 22.23GVEM012F52 K23L01Z C2023 06 08.41963314 13 55.153+58 05 25.42 21.03GVEM012F52 K23L01Z C2023 06 09.46835214 15 50.045+57 44 11.89 22.47GVEM012F52 K23L01Z C2023 06 09.48325314 15 51.537+57 43 52.92 22.49GVEM012F52 K23L01Z*1C2023 06 15.18159014 25 48.461+55 47 04.20 21.78GVEM012G96 K23L01Z 1C2023 06 15.18732314 25 48.979+55 46 57.40 21.83GVEM012G96 K23L01Z 1C2023 06 15.19304914 25 49.552+55 46 50.23 22.49GVEM012G96 K23L01Z 1C2023 06 15.19879814 25 49.984+55 46 42.49 21.63GVEM012G96 K23L01Z C2023 06 15.25078414 25 54.698+55 45 36.03 21.6 GVEM012H01 K23L01Z C2023 06 15.25494614 25 55.079+55 45 30.80 21.5 GVEM012H01 K23L01Z C2023 06 15.26445714 25 55.964+55 45 18.54 21.8 GVEM012H01 K23L01Z C2023 06 15.27144014 25 56.612+55 45 09.59 21.3 GVEM012H01 K23L01Z C2023 06 16.24195914 27 34.213+55 24 54.79 21.3 GVEM012H01 K23L01Z C2023 06 16.24692514 27 34.665+55 24 48.33 21.8 GVEM012H01 K23L01Z KC2023 06 16.25592314 27 35.540+55 24 37.90 21.74GVEM012I52 K23L01Z C2023 06 16.25635814 27 35.525+55 24 36.26 21.4 GVEM012H01 K23L01Z KC2023 06 16.26364914 27 36.210+55 24 27.10 21.36GVEM012I52 K23L01Z C2023 06 16.26516014 27 36.337+55 24 24.74 21.5 GVEM012H01 Observer details: F51 Pan-STARRS 1, 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. 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. G96 Mt. Lemmon Survey. 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. 1.5-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 H. Groeller. 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 LZ1 PHA, Earth MOID = 0.0412 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 MPC M 5.73519 (2000.0) P Q n 0.86958306 Peri. 297.73608 -0.63319969 -0.76575100 a 1.0870812 Node 193.47847 +0.76198690 -0.64227146 e 0.1975410 Incl. 28.89379 -0.13577228 -0.03335840 P 1.13 H 20.96 G 0.15 U 9 Residuals in seconds of arc 230531 F52 0.0 0.2- 230615 G96 0.1- 0.2- 230616 H01 0.1+ 0.0 230607 F51 0.1- 0.3+ 230615 G96 0.1- 0.2+ 230616 H01 0.1+ 0.0 230607 F51 0.0 0.2- 230615 G96 0.4+ 0.2+ 230616 I52 0.1- 0.4+ 230607 F51 0.0 0.0 230615 G96 0.4- 0.3- 230616 H01 0.1+ 0.1+ 230608 F52 0.3+ 0.1+ 230615 H01 0.0 0.1- 230616 I52 0.4- 0.4- 230608 F52 0.0 0.2- 230615 H01 0.0 0.0 230616 H01 0.1+ 0.1- 230609 F52 0.2+ 0.1- 230615 H01 0.1+ 0.0 230609 F52 0.1- 0.1+ 230615 H01 0.1+ 0.0 Ephemeris: 2023 LZ1 a,e,i = 1.09, 0.20, 29 q = 0.8723 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 05 17 13 14 08.9 +65 32 11 0.3501 1.0777 91.3 69.7 21.3 ... 2023 06 01 13 59 01.4 +60 33 19 0.4587 1.1258 91.8 64.2 21.8 ... 2023 06 09 14 15 00.4 +57 53 37 0.5107 1.1500 91.7 61.9 22.0 ... 2023 06 15 14 25 30.1 +55 50 46 0.5467 1.1673 91.7 60.4 22.1 2023 06 16 14 27 10.6 +55 29 55 0.5525 1.1701 91.6 60.2 22.2 2023 06 17 14 28 50.3 +55 08 57 0.5582 1.1729 91.6 60.0 22.2 ... 2023 06 23 14 38 35.0 +53 00 34 0.5909 1.1891 91.5 58.7 22.3 ... 2023 07 01 14 51 19.5 +50 02 10 0.6308 1.2093 91.4 57.2 22.4 ... 2023 07 16 15 15 35.5 +44 03 06 0.6951 1.2423 91.1 54.9 22.6 A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-M12


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