MPEC 2023-H171 : 2023 HM4
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.


M.P.E.C. 2023-H171 Issued 2023 April 25, 11:43 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 HM4 Observations: K23H04M 1C2023 04 14.47392 16 48 18.61 +22 54 04.6 21.6 GVEH171G96 K23H04M 1C2023 04 14.47905 16 48 16.78 +22 53 53.4 21.7 GVEH171G96 K23H04M*1C2023 04 23.36879216 08 59.438+17 01 27.30 21.48GVEH171G96 K23H04M 1C2023 04 23.37352516 08 57.527+17 01 13.19 21.25GVEH171G96 K23H04M 1C2023 04 23.37824716 08 55.630+17 01 01.88 20.71GVEH171G96 K23H04M KC2023 04 23.42959016 08 34.740+16 58 38.80 21.31GVEH171I52 K23H04M KC2023 04 23.43114716 08 34.080+16 58 34.10 21.14GVEH171I52 K23H04M KC2023 04 23.43270216 08 33.440+16 58 29.80 20.89GVEH171I52 K23H04M KC2023 04 24.36561916 04 17.677+16 14 57.98 21.10GVEH171I52 K23H04M KC2023 04 24.36730916 04 16.997+16 14 53.27 21.08GVEH171I52 K23H04M KC2023 04 24.36900616 04 16.320+16 14 49.02 20.74GVEH171I52 K23H04M KC2023 04 24.37069916 04 15.618+16 14 43.87 20.91GVEH171I52 K23H04M KC2023 04 25.33688815 59 45.456+15 28 21.18 20.91GVEH171I52 K23H04M KC2023 04 25.33820415 59 44.963+15 28 17.18 20.35GVEH171I52 K23H04M KC2023 04 25.33952415 59 44.383+15 28 14.45 20.37GVEH171I52 Observer details: G96 Mt. Lemmon Survey. Observers J. K. Hogan, D. Rankin. Measurers B. Gray, D. Rankin, F. C. Shelly, 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, R. L. Seaman, A. Serrano, K. W. Wierzchos. 1.5-m reflector + 10K CCD. I52 Steward Observatory, Mt. Lemmon Station. Observer A. Serrano. 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 HM4 Earth MOID = 0.0129 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres M 43.83141 (2000.0) P Q n 0.96588113 Peri. 33.01345 -0.30867510 -0.95085786 a 1.0135696 Node 74.97597 +0.86714279 -0.29180102 e 0.0528238 Incl. 1.43992 +0.39087474 -0.10354465 P 1.02 H 27.51 G 0.15 U 5 Residuals in seconds of arc 230414 G96 0.5- 0.1+ 230423 I52 0.3+ 0.1+ 230424 I52 0.2+ 0.3+ 230414 G96 0.5+ 0.1- 230423 I52 0.1- 0.2- 230424 I52 0.1+ 0.1- 230423 G96 0.3- 0.1+ 230423 I52 0.3- 0.0 230425 I52 0.2- 0.0 230423 G96 (0.1- 1.3-) 230424 I52 0.1- 0.1- 230425 I52 0.3+ 0.4- 230423 G96 0.2+ 0.1+ 230424 I52 0.0 0.1- 230425 I52 0.3- 0.6+ Ephemeris: 2023 HM4 a,e,i = 1.01, 0.05, 1 q = 0.9600 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 03 26 17 55 11.5 +31 14 27 0.02832 0.9996 93.8 84.6 22.7 ... 2023 04 10 17 05 41.4 +25 16 05 0.02682 1.0129 114.4 64.2 22.0 ... 2023 04 18 16 33 27.4 +20 48 29 0.02611 1.0199 127.4 51.4 21.5 ... 2023 04 24 16 05 58.4 +16 33 46 0.02605 1.0250 138.1 40.9 21.3 2023 04 25 16 01 15.5 +15 46 21 0.02610 1.0259 139.9 39.2 21.2 2023 04 26 15 56 32.3 +14 57 38 0.02617 1.0267 141.7 37.4 21.2 ... 2023 05 02 15 28 46.4 +09 44 47 0.02707 1.0315 151.7 27.6 21.0 ... 2023 05 10 14 55 44.6 +02 32 23 0.02967 1.0374 159.9 19.5 20.9 ... 2023 05 25 14 14 18.7 -08 52 38 0.03906 1.0470 150.8 28.1 21.8 M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H171


Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)