MPEC 2023-M138 : 2023 MH4
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M.P.E.C. 2023-M138 Issued 2023 June 25, 13:56 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 MH4
Observations:
K23M04H*KC2023 06 24.21796 20 37 48.37 -30 52 12.9 18.3 GVEM138W94
K23M04H KC2023 06 24.22426 20 37 41.41 -30 50 18.0 VEM138W94
K23M04H KC2023 06 24.23055 20 37 34.46 -30 48 23.3 18.9 GVEM138W94
K23M04H KC2023 06 24.27003 20 36 49.64 -30 35 59.1 20.1 GVEM138X10
K23M04H KC2023 06 24.27554 20 36 43.19 -30 34 10.9 20.2 GVEM138X10
K23M04H KC2023 06 24.28107 20 36 36.92 -30 32 24.8 19.8 GVEM138X10
K23M04H KC2023 06 24.28878 20 36 27.78 -30 29 53.2 VEM138X10
K23M04H KC2023 06 24.29436 20 36 21.29 -30 28 03.9 VEM138X10
K23M04H KC2023 06 24.29984 20 36 14.78 -30 26 14.0 19.6 GVEM138X10
K23M04H C2023 06 24.37351320 35 06.550-30 06 45.67 19.7 GVEM138H01
K23M04H C2023 06 24.37980820 34 59.003-30 04 35.89 19.8 GVEM138H01
K23M04H C2023 06 24.39656720 34 38.724-29 58 46.41 20.0 GVEM138H01
K23M04H C2023 06 24.40100920 34 33.312-29 57 12.61 20.3 GVEM138H01
K23M04H KC2023 06 25.05376820 20 47.777-25 01 31.58 19.2 GVEM138J95
K23M04H KC2023 06 25.06354920 20 31.003-24 55 49.80 19.4 GVEM138J95
K23M04H C2023 06 25.39489320 10 45.944-21 07 53.11 19.1 GVEM138654
K23M04H C2023 06 25.39683420 10 41.625-21 06 20.66 19.1 GVEM138654
Observer details:
654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi,
N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m Reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
W94 MAP, San Pedro de Atacama. Observers A. Maury, G. Attard. Measurers A.
Maury, G. Attard, D. Parrott, F. Signoret. 0.28-m f/2.2 Schmidt
astrograph + CCD.
X10 OVTLN, San Pedro de Atacama. Observers A. Maury, G. Attard, F. Signoret.
Measurers A. Maury, G. Attard, D. Parrott. 0.50-m f/4 reflector + CCD.
Orbital elements:
2023 MH4 Earth MOID = 0.0068 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 MPC
M 86.17648 (2000.0) P Q
n 1.35470230 Peri. 146.71732 +0.47445386 -0.83933956
a 0.8089223 Node 273.66793 +0.73843157 +0.54356751
e 0.4266736 Incl. 15.41923 +0.47917884 -0.00659360
P 0.73 H 27.02 G 0.15 U 8
Residuals in seconds of arc
230624 W94 1.4- 0.8+ 230624 X10 0.5- 0.9+ 230624 H01 0.2- 0.1-
230624 W94 1.2- 0.6+ 230624 X10 0.1+ 0.2+ 230625 J95 0.0 0.6+
230624 W94 0.4- 0.4- 230624 X10 1.0- 1.5+ 230625 J95 0.4+ 0.7+
230624 X10 0.5+ 0.3- 230624 H01 0.0 0.2- 230625 654 0.1- 0.3-
230624 X10 0.5- 1.5+ 230624 H01 0.1+ 0.2- 230625 654 0.2- 0.3-
230624 X10 1.5+ 0.1+ 230624 H01 0.1- 0.2-
Ephemeris:
2023 MH4 a,e,i = 0.81, 0.43, 15 q = 0.4638
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 05 26 21 08 45.8 -44 25 05 0.2368 1.1336 115.1 54.0 26.1
...
2023 06 10 21 17 50.8 -43 16 55 0.1256 1.0932 125.7 49.0 24.5
...
2023 06 18 21 12 46.1 -41 09 28 0.06660 1.0626 133.1 44.2 23.0
...
2023 06 24 20 40 49.9 -31 55 20 0.02319 1.0356 145.4 33.9 20.3
2023 06 25 20 22 04.9 -25 23 59 0.01635 1.0307 150.5 29.0 19.4
2023 06 26 19 45 07.5 -09 56 46 0.01020 1.0257 155.0 24.8 18.3
...
2023 07 02 10 22 27.9 +53 01 55 0.03706 0.9937 51.0 127.3 25.3
...
2023 07 10 09 47 43.3 +48 22 15 0.09547 0.9455 40.0 136.3 28.2
...
2023 07 25 09 25 54.0 +45 12 12 0.2112 0.8380 29.3 143.6 30.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-M138
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