MPEC 2023-M163 : 2018 LH5
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M.P.E.C. 2023-M163 Issued 2023 June 29, 14:09 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
2018 LH5
Revision to MPEC 2018-M7
Additional Observations:
K18L05H 0C2023 06 19.27479512 30 06.881-35 36 27.11 22.37GVEM163T12
K18L05H 0C2023 06 19.28673212 30 09.513-35 35 39.60 21.91GVEM163T12
K18L05H 0C2023 06 21.25483912 37 31.071-33 29 44.40 21.85GVEM163T12
K18L05H 0C2023 06 21.25656012 37 31.422-33 29 37.98 22.00GVEM163T12
K18L05H 0C2023 06 21.25838412 37 31.794-33 29 31.09 22.20GVEM163T12
Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea. Observers D. J. Tholen,
D. Hung. Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112
pixels STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230619 T12 0.14- 0.10- 230621 T12 0.14- 0.09- MPO451974 -0.09 days
Orbital elements:
2018 LH5 Earth MOID = 0.1237 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 2.81749 (2000.0) P Q
n 1.35729734 Peri. 168.87519 +0.11462028 -0.91519428
a 0.8078909 Node 273.67618 +0.87913969 +0.27455363
e 0.4658988 Incl. 22.77830 +0.46257496 -0.29502498
P 0.73 H 22.11 G 0.15 U 2
Residuals in seconds of arc
180612 F51 0.1+ 0.1+ 180622 F51 0.1- 0.1+ 180706 A17 0.0 0.7-
180612 F51 0.1- 0.1+ 180622 F51 0.2- 0.2+ 180706 A17 0.2+ 0.5-
180612 F51 0.1+ 0.0 180622 F51 0.1+ 0.0 180706 A17 0.0 0.6-
180612 F51 0.1+ 0.1+ 180630 204 0.1- 0.1+ 180707 I52 0.2- 0.5-
180614 568 0.0 0.0 180701 204 0.2+ 0.2+ 180707 I52 0.2+ 0.1-
180614 568 0.0 0.0 180701 H21 0.7+ 0.6+ 180707 I52 0.0 0.2-
180614 568 0.0 0.0 180701 H21 0.1- 0.1+ 180707 I52 0.5- 0.4-
180615 807 0.0 0.0 180701 H21 0.0 0.2+ 180707 G58 0.2+ 0.1-
180615 807 0.1+ 0.0 180701 H21 0.0 0.3+ 180707 G58 0.2+ 0.2-
180615 807 0.1+ 0.0 180701 H21 0.0 0.2+ 180707 G58 0.4+ 0.1-
180617 I19 0.5- 0.7+ 180701 691 0.0 0.0 180711 H21 0.4- 0.3-
180617 I19 0.9- 0.9+ 180701 691 0.3+ 0.6+ 180711 H21 0.6- 0.4-
180617 I19 1.2- 0.4- 180701 691 0.2+ 0.4+ 180711 H21 0.2+ 0.5+
180617 807 0.0 0.1- 180702 691 0.1- 0.1+ 230619 T12 0.0 0.0
180617 807 0.1- 0.1- 180702 691 0.1+ 0.0 230619 T12 0.0 0.1-
180617 807 0.1+ 0.0 180702 691 0.2- 0.1+ 230621 T12 0.0 0.1-
180620 I52 0.0 0.9- 180705 I52 0.1- 0.0 230621 T12 0.0 0.1-
180620 I52 0.1- 0.0 180705 I52 0.1+ 0.1+ 230621 T12 0.0 0.1-
180620 I52 0.1- 0.2- 180705 I52 0.1- 0.1-
180620 I52 0.2+ 0.1+ 180705 I52 0.0 0.0
Ephemeris:
2018 LH5 a,e,i = 0.81, 0.47, 23 q = 0.4315
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 05 30 10 10 48.6 -61 16 07 0.2596 1.1182 107.2 60.0 21.6
...
2023 06 14 12 07 17.8 -41 47 58 0.2957 1.1614 112.5 53.9 21.8
...
2023 06 22 12 40 10.6 -32 43 39 0.3339 1.1753 110.4 54.1 22.1
...
2023 06 28 12 59 26.4 -27 11 59 0.3685 1.1815 107.6 55.1 22.3
2023 06 29 13 02 21.1 -26 22 52 0.3746 1.1822 107.1 55.3 22.4
2023 06 30 13 05 11.5 -25 35 24 0.3808 1.1828 106.6 55.5 22.4
...
2023 07 06 13 21 00.2 -21 22 45 0.4193 1.1843 103.1 56.7 22.6
...
2023 07 14 13 39 42.2 -16 58 41 0.4730 1.1808 98.2 58.4 22.9
...
2023 07 29 14 10 44.0 -11 21 34 0.5726 1.1572 89.0 61.3 23.4
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-M163
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