MPEC 2023-M132 : 2023 MC4
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M.P.E.C. 2023-M132 Issued 2023 June 25, 11:26 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 MC4
Observations:
K23M04C* C2023 06 22.40048417 33 44.650+00 51 10.88 21.23wXEM132F52
K23M04C C2023 06 22.41224417 33 43.765+00 51 13.55 21.44wXEM132F52
K23M04C C2023 06 22.42398117 33 42.878+00 51 16.45 21.51GVEM132F52
K23M04C C2023 06 22.43564817 33 42.023+00 51 19.09 21.51GVEM132F52
K23M04C C2023 06 22.51135517 33 36.384+00 51 36.80 20.90GVEM132F51
K23M04C C2023 06 22.51199617 33 36.337+00 51 36.95 21.00GVEM132F51
K23M04C KC2023 06 22.58176917 33 31.62 +00 52 05.4 21.0 GVEM132474
K23M04C KC2023 06 22.58810317 33 31.16 +00 52 06.9 21.0 GVEM132474
K23M04C KC2023 06 22.60219817 33 30.13 +00 52 10.0 21.1 GVEM132474
K23M04C KC2023 06 22.60923617 33 29.60 +00 52 12.3 20.7 GVEM132474
K23M04C KC2023 06 23.21747317 32 47.450+00 54 13.20 21.84GVEM132I52
K23M04C KC2023 06 23.22643517 32 46.710+00 54 14.80 VEM132I52
K23M04C KC2023 06 23.23091517 32 46.450+00 54 15.80 VEM132I52
K23M04C KC2023 06 24.17533217 31 39.69 +00 57 29.1 21.2 VuEM132H21
K23M04C KC2023 06 24.18096717 31 39.29 +00 57 30.2 20.9 VuEM132H21
K23M04C KC2023 06 24.30746417 31 30.083+00 57 55.62 21.13GVEM132I52
K23M04C KC2023 06 24.31364217 31 29.597+00 57 56.95 21.06GVEM132I52
K23M04C KC2023 06 24.31982517 31 29.140+00 57 57.78 21.25GVEM132I52
K23M04C C2023 06 25.24494717 30 23.914+01 00 43.27 21.4 GVEM132654
K23M04C C2023 06 25.25697517 30 22.984+01 00 45.26 21.4 GVEM132654
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.
654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi,
N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m Reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, P.
Minguez, 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, T. Lowe, P. Minguez, A.
Schultz, I. Smith, K. Chambers, T. Dukes. Measurers K. Chambers, T. de
Boer, J. Bulger, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E.
Magnier, P. Minguez, Y. Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat,
R. Weryk, S. Chastel. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, 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 MC4 Earth MOID = 0.2043 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 298.59493 (2000.0) P Q
n 0.25978076 Peri. 183.13695 +0.98611981 +0.16132275
a 2.4325665 Node 167.37309 -0.14815603 +0.96174114
e 0.5018720 Incl. 10.35080 -0.07495009 +0.22142484
P 3.79 H 20.09 G 0.15 U 9
Residuals in seconds of arc
230622 F52 0.0 0.0 230622 474 0.2+ 0.1- 230624 H21 0.1+ 0.2+
230622 F52 0.1- 0.1- 230622 474 0.2+ 0.2- 230624 I52 0.2+ 0.2+
230622 F52 0.2- 0.0 230622 474 0.0 0.5+ 230624 I52 0.1- 0.3+
230622 F52 0.0 0.1- 230623 I52 0.0 0.1- 230624 I52 0.0 0.0
230622 F51 0.0 0.0 230623 I52 1.1- 0.5- 230625 654 0.2+ 0.2-
230622 F51 0.0 0.0 230623 I52 0.0 0.4- 230625 654 0.2- 0.2-
230622 474 0.1+ 0.1- 230624 H21 0.3- 0.1+
Ephemeris:
2023 MC4 a,e,i = 2.43, 0.50, 10 q = 1.2117
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 05 26 17 57 36.6 -02 39 04 0.9586 1.8942 147.8 16.6 22.3
...
2023 06 10 17 47 01.9 -00 23 12 0.8238 1.7983 155.7 13.4 21.7
...
2023 06 18 17 38 46.6 +00 30 26 0.7692 1.7472 156.1 13.6 21.5
...
2023 06 24 17 31 52.0 +00 57 02 0.7362 1.7090 154.1 15.1 21.4
2023 06 25 17 30 41.1 +01 00 08 0.7314 1.7027 153.5 15.4 21.4
2023 06 26 17 29 30.1 +01 02 50 0.7267 1.6963 153.0 15.8 21.4
...
2023 07 02 17 22 26.5 +01 10 14 0.7022 1.6585 149.0 18.4 21.4
...
2023 07 10 17 13 41.5 +00 55 25 0.6784 1.6086 142.5 22.6 21.4
...
2023 07 25 17 02 27.9 -00 48 38 0.6557 1.5180 129.2 31.2 21.4
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-M132
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