MPEC 2023-H143 : 2023 HH3
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-H143 Issued 2023 April 22, 14:40 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 HH3 Observations: K23H03H*1C2023 04 21.26183011 53 50.626-15 53 06.11 20.81GVEH143G96 K23H03H 1C2023 04 21.26660711 53 49.474-15 52 51.78 21.39GVEH143G96 K23H03H 1C2023 04 21.27138011 53 48.311-15 52 37.20 20.70GVEH143G96 K23H03H 1C2023 04 21.27614211 53 47.155-15 52 22.04 21.26GVEH143G96 K23H03H KC2023 04 21.32262311 53 35.999-15 49 55.49 21.10GVEH143I52 K23H03H KC2023 04 21.33657611 53 32.752-15 49 10.34 20.73GVEH143I52 K23H03H KC2023 04 21.34044111 53 31.852-15 48 57.67 20.85GVEH143I52 K23H03H KC2023 04 21.34431511 53 30.973-15 48 44.53 20.85GVEH143I52 K23H03H |C2023 04 22.11531 11 51 16.77 -14 56 16.7 20.5 GuEH143807 K23H03H |C2023 04 22.11952 11 51 15.33 -14 55 57.2 20.4 GuEH143807 K23H03H |C2023 04 22.12380 11 51 13.87 -14 55 37.5 20.6 GuEH143807 K23H03H |C2023 04 22.12787 11 51 12.47 -14 55 18.9 20.2 GuEH143807 K23H03H KC2023 04 22.19656711 51 01.768-14 55 16.79 20.11GVEH143I52 K23H03H KC2023 04 22.19784511 51 01.303-14 55 10.34 20.53GVEH143I52 K23H03H KC2023 04 22.19912011 51 00.850-14 55 04.55 20.67GVEH143I52 K23H03H KC2023 04 22.20040111 51 00.407-14 54 58.54 20.36GVEH143I52 K23H03H KC2023 04 22.44585511 49 56.04 -14 27 15.5 20.3 GVEH143474 K23H03H KC2023 04 22.44824911 49 55.14 -14 27 02.2 20.3 GVEH143474 K23H03H KC2023 04 22.44944711 49 54.71 -14 26 55.5 20.4 GVEH143474 K23H03H KC2023 04 22.45184111 49 53.79 -14 26 42.0 20.2 GVEH143474 Observer details: 474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD. 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 G. J. Leonard. 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. I52 Steward Observatory, Mt. Lemmon Station. 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. 1.0-m prime focus + CCD. Orbital elements: 2023 HH3 Earth MOID = 0.0011 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres M 332.64522 (2000.0) P Q n 0.29183369 Peri. 47.34517 -0.15049029 +0.98658089 a 2.2510187 Node 214.15221 -0.93683570 -0.16277534 e 0.6063213 Incl. 6.47735 -0.31573967 +0.01274120 P 3.38 H 27.20 G 0.15 U 7 Residuals in seconds of arc 230421 G96 0.1- 0.0 230421 I52 0.0 0.0 230422 I52 0.1- 0.1+ 230421 G96 0.1+ 0.1- 230422 807 0.1- 0.1+ 230422 I52 0.0 0.2+ 230421 G96 0.1+ 0.1- 230422 807 0.0 0.2+ 230422 474 0.1- 0.0 230421 G96 0.1+ 0.4+ 230422 807 0.1+ 0.1+ 230422 474 0.1- 0.1- 230421 I52 0.1- 0.1+ 230422 807 0.1+ 0.3- 230422 474 0.2+ 0.1- 230421 I52 0.0 0.3- 230422 I52 0.3+ 0.3- 230422 474 0.1- 0.0 230421 I52 0.2- 0.3- 230422 I52 0.0 0.2+ Ephemeris: 2023 HH3 a,e,i = 2.25, 0.61, 6 q = 0.8862 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 03 23 12 10 59.6 -17 46 51 0.2795 1.2663 162.9 13.4 25.7 ... 2023 04 07 12 05 43.5 -18 21 32 0.1472 1.1416 162.0 15.7 24.2 ... 2023 04 15 12 01 29.6 -17 56 09 0.08298 1.0798 156.8 21.5 23.0 ... 2023 04 21 11 54 32.0 -16 02 15 0.03644 1.0367 151.0 28.1 21.3 2023 04 22 11 51 42.7 -15 06 10 0.02877 1.0299 149.5 29.7 20.8 2023 04 23 11 47 02.1 -13 29 08 0.02113 1.0231 147.5 31.9 20.2 ... 2023 04 29 00 18 32.0 +23 55 42 0.02526 0.9852 30.9 148.4 27.3 ... 2023 05 07 00 09 24.6 +20 21 39 0.08711 0.9427 39.0 137.6 28.3 ... 2023 05 22 00 17 54.5 +19 43 46 0.2063 0.8944 50.3 119.5 28.3 M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H143


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)