MPEC 2023-H57 : 2023 HV
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M.P.E.C. 2023-H57 Issued 2023 April 18, 11:50 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 HV Observations: K23H00V*1C2023 04 16.19292610 02 32.280+09 07 02.64 21.50GVEH057G96 K23H00V 1C2023 04 16.19854610 02 31.866+09 07 20.10 21.59GVEH057G96 K23H00V 1C2023 04 16.20415510 02 31.423+09 07 37.81 21.68GVEH057G96 K23H00V 1C2023 04 16.20975110 02 30.937+09 07 54.66 22.34GVEH057G96 K23H00V C2023 04 16.23648010 02 28.349+09 09 12.07 22.1 GVEH057H01 K23H00V C2023 04 16.24031410 02 28.085+09 09 23.95 22.0 GVEH057H01 K23H00V C2023 04 16.25524410 02 27.084+09 10 10.03 22.2 GVEH057H01 K23H00V C2023 04 16.25914210 02 26.839+09 10 21.99 21.2 GVEH057H01 K23H00V KC2023 04 16.27419910 02 26.329+09 11 15.00 21.79GVEH057V06 K23H00V KC2023 04 16.27896210 02 26.041+09 11 29.76 21.51GVEH057V06 K23H00V KC2023 04 16.28372710 02 25.768+09 11 44.30 21.86GVEH057V06 K23H00V KC2023 04 16.28849210 02 25.458+09 11 59.21 21.31GVEH057V06 K23H00V |C2023 04 17.02312 10 02 36.93 +09 57 07.4 21.6 GVEH057807 K23H00V |C2023 04 17.03236 10 02 36.19 +09 57 40.5 21.4 GVEH057807 K23H00V |C2023 04 17.04161 10 02 35.41 +09 58 12.9 21.5 GVEH057807 K23H00V KC2023 04 18.07083610 02 42.37 +10 57 45.6 21.9 VuEH057H21 K23H00V KC2023 04 18.08346410 02 41.41 +10 58 36.3 21.8 VuEH057H21 K23H00V C2023 04 18.13916610 02 41.778+11 02 40.56 21.3 GVEH057H01 K23H00V C2023 04 18.14268310 02 41.499+11 02 54.60 21.1 GVEH057H01 K23H00V C2023 04 18.15431610 02 40.564+11 03 41.16 21.3 GVEH057H01 K23H00V C2023 04 18.16002610 02 40.107+11 04 04.04 21.4 GVEH057H01 Observer details: 807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L. Horn. 1.00-m f/10.0 astrograph + CCD. G96 Mt. Lemmon Survey. Observer J. K. Hogan. 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. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD. V06 Catalina Sky Survey-Kuiper. Observer J. B. Fazekas. 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. 1.55-m reflector + 1K CCD. Orbital elements: 2023 HV Earth MOID = 0.0070 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres M 314.76604 (2000.0) P Q n 0.61043294 Peri. 23.16124 -0.64545210 +0.76363195 a 1.3762925 Node 206.64766 -0.70625559 -0.60469669 e 0.2706356 Incl. 2.05169 -0.29085155 -0.22629218 P 1.61 H 26.94 G 0.15 U 7 Residuals in seconds of arc 230416 G96 0.3- 0.1+ 230416 H01 0.0 0.1- 230417 807 0.1+ 0.0 230416 G96 0.3+ 0.0 230416 V06 0.1- 0.0 230418 H21 0.0 0.3- 230416 G96 0.3+ 0.1+ 230416 V06 0.0 0.1+ 230418 H21 0.4- 0.1- 230416 G96 0.3- 0.5- 230416 V06 0.2+ 0.1- 230418 H01 0.0 0.1+ 230416 H01 0.1+ 0.0 230416 V06 0.3- 0.2+ 230418 H01 0.1+ 0.0 230416 H01 0.1+ 0.0 230417 807 0.3- 0.2- 230418 H01 0.0 0.0 230416 H01 0.0 0.0 230417 807 0.2+ 0.2+ 230418 H01 0.0 0.0 Ephemeris: 2023 HV a,e,i = 1.38, 0.27, 2 q = 1.0038 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 03 19 10 22 14.4 -00 54 18 0.1129 1.1005 157.5 20.2 23.4 ... 2023 04 03 10 08 06.4 +02 20 12 0.07186 1.0554 139.7 37.7 22.9 ... 2023 04 11 10 03 42.2 +05 34 51 0.05209 1.0362 130.2 47.6 22.4 ... 2023 04 17 10 02 34.9 +09 53 15 0.03769 1.0245 122.8 55.4 21.9 2023 04 18 10 02 40.0 +10 55 02 0.03532 1.0228 121.5 56.8 21.8 2023 04 19 10 02 51.8 +12 05 09 0.03297 1.0211 120.2 58.2 21.7 ... 2023 04 25 10 08 14.6 +24 43 37 0.01931 1.0127 110.5 68.5 20.8 ... 2023 05 03 20 11 10.1 +74 00 23 0.0096581.0057 77.0 102.4 20.6 ... 2023 05 18 21 50 32.5 +14 53 56 0.04066 1.0065 82.0 95.8 23.4 M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H57


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