MPEC 2023-F101 : 2023 EF3
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M.P.E.C. 2023-F101 Issued 2023 March 22, 06:01 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 EF3 Observations: K23E03F C2023 03 11.32562 10 31 32.47 +44 14 38.0 21.7 GVEF101V00 K23E03F C2023 03 11.33069 10 31 31.37 +44 15 04.5 21.9 GVEF101V00 K23E03F* C2023 03 13.23025810 24 33.880+47 00 10.80 21.81GVEF101V00 K23E03F C2023 03 13.23531210 24 32.674+47 00 36.72 VEF101V00 K23E03F C2023 03 13.24027610 24 31.514+47 01 02.28 21.56GVEF101V00 K23E03F C2023 03 13.24524110 24 30.326+47 01 27.91 21.69GVEF101V00 K23E03F KC2023 03 13.35133 10 24 05.12 +47 10 32.9 22.5 RoEF101291 K23E03F KC2023 03 13.36814 10 24 01.12 +47 11 57.8 oEF101291 K23E03F KC2023 03 13.38509 10 23 57.06 +47 13 24.8 oEF101291 K23E03F mC2023 03 14.42457410 19 51.078+48 41 28.36 21.91GVEF101V00 K23E03F mC2023 03 14.42547410 19 50.858+48 41 32.71 21.99GVEF101V00 K23E03F mC2023 03 14.42637210 19 50.632+48 41 37.21 21.45GVEF101V00 K23E03F mC2023 03 14.42727110 19 50.416+48 41 41.96 21.90GVEF101V00 K23E03F KC2023 03 15.20524310 16 40.21 +49 46 33.9 22.0 VuEF101H21 K23E03F KC2023 03 15.21258810 16 38.32 +49 47 10.2 21.7 VuEF101H21 K23E03F KC2023 03 15.21626010 16 37.36 +49 47 28.2 21.9 VuEF101H21 K23E03F KC2023 03 15.22323810 16 35.59 +49 48 02.6 22.1 VuEF101H21 K23E03F 1C2023 03 15.91250 10 13 40.91 +50 44 31.1 21.7 VXEF101033 K23E03F 1C2023 03 15.91534 10 13 40.17 +50 44 44.9 21.9 VXEF101033 K23E03F 1C2023 03 15.91817 10 13 39.38 +50 44 58.7 21.6 VXEF101033 K23E03F mC2023 03 17.37177110 07 12.616+52 41 12.84 22.12GVEF101V00 K23E03F mC2023 03 17.37908710 07 10.574+52 41 47.00 21.78GVEF101V00 K23E03F mC2023 03 17.37998610 07 10.322+52 41 51.14 21.78GVEF101V00 K23E03F mC2023 03 17.38088610 07 10.070+52 41 55.28 21.88GVEF101V00 K23E03F mC2023 03 18.25478310 03 07.736+53 49 43.72 22.38GVEF101V00 K23E03F mC2023 03 18.25568310 03 07.463+53 49 47.86 22.17GVEF101V00 K23E03F mC2023 03 18.25658210 03 07.178+53 49 51.71 22.16GVEF101V00 K23E03F mC2023 03 18.25748010 03 06.966+53 49 56.14 22.22GVEF101V00 K23E03F mC2023 03 19.16336509 58 46.452+54 58 21.97 22.14GVEF101V00 K23E03F mC2023 03 19.16409209 58 46.240+54 58 25.28 21.51GVEF101V00 K23E03F mC2023 03 19.16481709 58 45.995+54 58 28.42 21.59GVEF101V00 K23E03F mC2023 03 19.16554109 58 45.764+54 58 31.91 22.25GVEF101V00 K23E03F 1C2023 03 22.02605 09 43 57.01 +58 21 46.8 21.3 VXEF101033 K23E03F 1C2023 03 22.02929 09 43 55.90 +58 22 00.1 21.0 VXEF101033 K23E03F 1C2023 03 22.03252 09 43 54.86 +58 22 12.9 21.2 VXEF101033 Observer details: 033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C. Hoegner, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD. 291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD. V00 Kitt Peak-Bok. Observers C. Lejoly, C. Woodward, H. Groeller. Measurers B. Gray, D. Rankin, F. C. Shelly, 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, R. L. Seaman, A. Serrano, K. W. Wierzchos. 2.25-m reflector + mosaic CCD, 2.25-m reflector + 4x4K mosaic CCD. Orbital elements: 2023 EF3 PHA, Earth MOID = 0.0075 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 MPC M 335.24821 (2000.0) P Q n 0.24526884 Peri. 113.89202 +0.11935632 +0.91682657 a 2.5275968 Node 152.44969 -0.89309483 -0.06851539 e 0.6947563 Incl. 55.46681 +0.43374611 -0.39336328 P 4.02 H 21.07 G 0.15 U 9 Residuals in seconds of arc 230311 V00 0.1+ 0.1+ 230314 V00 0.1- 0.1+ 230318 V00 0.1+ 0.0 230311 V00 0.1+ 0.1- 230315 H21 0.0 0.6+ 230318 V00 0.0 0.0 230313 V00 0.0 0.0 230315 H21 0.0 0.5+ 230318 V00 0.2- 0.3- 230313 V00 0.1- 0.2- 230315 H21 0.1- 0.4+ 230318 V00 0.2+ 0.0 230313 V00 0.1+ 0.2- 230315 H21 0.1+ 0.2+ 230319 V00 0.1+ 0.0 230313 V00 0.0 0.2- 230315 033 0.1+ 0.4+ 230319 V00 0.1+ 0.1+ 230313 291 0.3+ 0.4+ 230315 033 0.2+ 0.3+ 230319 V00 0.1- 0.1- 230313 291 0.3+ 0.5- 230315 033 0.2- 0.3+ 230319 V00 0.2- 0.2+ 230313 291 0.1- 0.2+ 230317 V00 0.0 0.0 230322 033 0.1+ 0.0 230314 V00 0.1- 0.0 230317 V00 0.1+ 0.1+ 230322 033 0.2- 0.2+ 230314 V00 0.1- 0.2- 230317 V00 0.1+ 0.0 230322 033 0.0 0.1+ 230314 V00 0.1- 0.1- 230317 V00 0.0 0.0 Ephemeris: 2023 EF3 a,e,i = 2.53, 0.69, 55 q = 0.7715 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 02 20 11 15 22.8 +17 14 31 0.6966 1.6679 163.3 9.8 22.0 ... 2023 03 07 10 45 20.1 +37 48 07 0.5835 1.5165 147.4 20.6 21.8 ... 2023 03 15 10 17 31.6 +49 29 27 0.5761 1.4340 130.0 32.1 22.0 ... 2023 03 21 09 49 27.4 +57 11 07 0.5912 1.3716 117.3 40.2 22.2 2023 03 22 09 44 06.7 +58 19 59 0.5951 1.3612 115.3 41.4 22.2 2023 03 23 09 38 34.3 +59 26 20 0.5994 1.3508 113.3 42.7 22.3 ... 2023 03 29 09 01 12.1 +65 09 41 0.6304 1.2881 102.2 49.2 22.5 ... 2023 04 06 08 01 12.0 +70 26 31 0.6809 1.2047 89.4 56.1 22.7 ... 2023 04 21 05 52 39.5 +74 40 10 0.7766 1.0526 71.1 64.6 22.9 A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-F101


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