MPEC 2023-H178 : 2023 HR4
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M.P.E.C. 2023-H178 Issued 2023 April 25, 14:07 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 HR4
Observations:
K23H04R C2023 04 24.25620611 52 43.534-13 46 03.22 20.09wUEH178F52
K23H04R* C2023 04 24.25683711 52 43.957-13 45 53.40 20.17wUEH178F52
K23H04R C2023 04 24.26782311 52 50.868-13 43 08.89 20.24wUEH178F52
K23H04R C2023 04 24.26845511 52 51.284-13 42 58.92 20.07wUEH178F52
K23H04R C2023 04 24.28011511 52 58.626-13 40 03.50 20.25wUEH178F52
K23H04R C2023 04 24.29109411 53 05.492-13 37 19.05 20.07wUEH178F52
K23H04R C2023 04 24.29172511 53 05.906-13 37 09.04 20.21wUEH178F52
K23H04R HC2023 04 24.91283 11 59 29.02 -11 09 46.0 19.9 GVEH178204
K23H04R HC2023 04 24.92880 11 59 37.94 -11 06 10.5 VEH178204
K23H04R mC2023 04 25.20015912 02 13.754-10 06 12.46 20.15GVEH178I52
K23H04R mC2023 04 25.20049212 02 13.906-10 06 07.52 19.83GVEH178I52
K23H04R mC2023 04 25.20082412 02 14.089-10 06 03.64 20.31GVEH178I52
K23H04R mC2023 04 25.20115712 02 14.255-10 05 59.68 20.12GVEH178I52
K23H04R C2023 04 25.29803212 03 08.442-09 45 03.60 20.59wXEH178F52
K23H04R C2023 04 25.30818412 03 13.627-09 42 55.20 20.62wXEH178F52
K23H04R C2023 04 25.31835112 03 18.824-09 40 46.66 20.43wXEH178F52
K23H04R 3C2023 04 25.48084512 04 40.851-09 06 50.95 20.30GVEH178T14
K23H04R 3C2023 04 25.48182512 04 41.343-09 06 38.86 20.25GVEH178T14
K23H04R 3C2023 04 25.48281412 04 41.849-09 06 26.55 20.26GVEH178T14
K23H04R 3C2023 04 25.48379612 04 42.341-09 06 14.41 20.33GVEH178T14
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith. Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + 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.
T14 Canada-France-Hawaii Telescope, Maunakea. Observers R. Wainscoat, C.
Cunningham, T. Burdullis. Measurers R. Weryk, R. Wainscoat. 3.6-m
Canada-France-Hawaii Telescope + CCD.
Orbital elements:
2023 HR4 Earth MOID = 0.0668 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 MPC
M 5.35338 (2000.0) P Q
n 0.69558290 Peri. 249.04894 -0.16721043 -0.95681144
a 1.2615470 Node 213.51270 +0.98585992 -0.16495317
e 0.5273093 Incl. 25.51302 -0.01099452 -0.23937903
P 1.42 H 23.81 G 0.15 U 8
Residuals in seconds of arc
230424 F52 0.3- 0.2- 230424 204 0.1- 1.2+ 230425 F52 0.0 0.1+
230424 F52 0.1+ 0.2+ 230424 204 0.3- 0.3+ 230425 F52 0.1+ 0.1-
230424 F52 0.3- 0.6- 230425 I52 0.3+ 0.4- 230425 T14 0.0 0.0
230424 F52 0.0 0.1- 230425 I52 0.1- 0.3+ 230425 T14 0.0 0.0
230424 F52 0.2+ 0.2+ 230425 I52 0.1+ 0.1- 230425 T14 0.0 0.0
230424 F52 0.0 0.0 230425 I52 0.1- 0.5- 230425 T14 0.0 0.0
230424 F52 0.3+ 0.5+ 230425 F52 0.2+ 0.4+
Ephemeris:
2023 HR4 a,e,i = 1.26, 0.53, 26 q = 0.5963
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 26 02 04 01.8 -34 06 14 0.2848 0.8161 43.8 122.2 25.7
...
2023 04 10 03 33 19.2 -50 31 52 0.1218 0.9579 65.7 107.6 23.2
...
2023 04 18 09 13 30.9 -51 01 46 0.07038 1.0329 112.5 63.8 20.4
...
2023 04 24 11 49 45.5 -14 51 21 0.09633 1.0878 147.3 29.9 20.2
2023 04 25 12 00 19.8 -10 49 15 0.1050 1.0968 148.7 28.4 20.4
2023 04 26 12 09 05.3 -07 24 19 0.1142 1.1058 149.3 27.7 20.5
...
2023 05 02 12 40 50.4 +04 45 31 0.1781 1.1588 145.5 29.5 21.7
...
2023 05 10 13 00 58.8 +11 03 12 0.2733 1.2267 138.1 33.3 22.8
...
2023 05 25 13 21 52.4 +14 10 25 0.4665 1.3453 126.9 37.0 24.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H178
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