MPEC 2023-H67 : 2023 HD1
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M.P.E.C. 2023-H67 Issued 2023 April 18, 13:59 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 HD1
Observations:
K23H01D C2023 03 18.56898913 27 46.044+07 10 22.34 22.24GVEH067F52
K23H01D C2023 03 18.56970213 27 46.101+07 10 21.33 22.51GVEH067F52
K23H01D C2023 03 26.49976813 39 18.508+03 37 11.66 22.27GVEH067F51
K23H01D C2023 03 26.51128113 39 19.292+03 36 48.40 21.51GVEH067F51
K23H01D C2023 03 26.52280313 39 20.053+03 36 25.30 21.89GVEH067F51
K23H01D C2023 03 26.53440413 39 20.811+03 36 01.95 22.28GVEH067F51
K23H01D C2023 03 26.60711213 39 25.884+03 33 34.26 22.01GVEH067F52
K23H01D* C2023 04 17.44394614 24 29.561-19 04 59.61 20.91wUEH067F52
K23H01D C2023 04 17.46674714 24 32.592-19 07 10.55 20.72wUEH067F52
K23H01D C2023 04 17.47817914 24 34.125-19 08 15.77 21.02wUEH067F52
K23H01D C2023 04 17.53750714 24 42.177-19 13 51.52 20.66GVEH067F52
K23H01D C2023 04 17.53813814 24 42.242-19 13 55.17 21.17GVEH067F52
K23H01D |C2023 04 18.25362 14 26 53.07 -20 21 27.6 20.8 VuEH067807
K23H01D |C2023 04 18.25750 14 26 53.62 -20 21 50.1 20.8 VuEH067807
K23H01D |C2023 04 18.26194 14 26 54.24 -20 22 15.8 20.9 VuEH067807
K23H01D KC2023 04 18.29333114 27 03.210-20 27 01.00 20.47GVEH067I52
K23H01D KC2023 04 18.29526314 27 03.460-20 27 12.60 20.72GVEH067I52
K23H01D KC2023 04 18.29913114 27 04.080-20 27 35.10 20.06GVEH067I52
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, 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, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, H. Gao,
C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. 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. 1.0-m prime focus + CCD.
Orbital elements:
2023 HD1 Earth MOID = 0.0718 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 321.42449 (2000.0) P Q
n 0.54533781 Peri. 202.83015 -0.68180751 +0.73049821
a 1.4837440 Node 24.24081 -0.65570885 -0.58671797
e 0.2773962 Incl. 5.43249 -0.32432150 -0.34947730
P 1.81 H 25.32 G 0.15 U 6
Residuals in seconds of arc
230318 F52 0.1- 0.1+ 230326 F52 0.2+ 0.0 230418 807 0.1- 0.1-
230318 F52 0.1+ 0.0 230417 F52 0.0 0.4+ 230418 807 0.1- 0.1-
230326 F51 0.1- 0.0 230417 F52 0.1- 0.1- 230418 807 0.3- 0.0
230326 F51 0.2+ 0.1- 230417 F52 0.0 0.1- 230418 I52 0.2+ 0.0
230326 F51 0.1+ 0.0 230417 F52 0.4+ 0.2+ 230418 I52 0.2- 0.3-
230326 F51 0.2- 0.1+ 230417 F52 0.1+ 0.1+ 230418 I52 0.6+ 0.1+
Ephemeris:
2023 HD1 a,e,i = 1.48, 0.28, 5 q = 1.0722
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 19 13 28 23.8 +07 01 22 0.1684 1.1503 155.2 21.3 22.8
...
2023 04 03 13 51 34.6 -01 34 49 0.1160 1.1112 163.4 14.9 21.7
...
2023 04 11 14 07 43.5 -09 54 25 0.09560 1.0952 167.1 11.8 21.1
...
2023 04 17 14 23 10.8 -18 21 53 0.08446 1.0858 166.3 12.6 20.9
2023 04 18 14 26 07.9 -19 57 06 0.08300 1.0845 165.8 13.2 20.9
2023 04 19 14 29 12.6 -21 34 59 0.08165 1.0832 165.0 13.9 20.8
...
2023 04 25 14 50 49.6 -32 02 21 0.07617 1.0770 158.5 20.0 20.9
...
2023 05 03 15 30 22.6 -45 53 28 0.07576 1.0726 147.6 30.2 21.2
...
2023 05 18 17 17 05.4 -62 04 43 0.09111 1.0765 133.9 42.6 21.9
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H67
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