MPEC 2023-G83 : 2018 MG7
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M.P.E.C. 2023-G83 Issued 2023 April 14, 14:05 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 MG7
Revision to MPEC 2018-M93
Additional Observations:
K18M07G 0C2023 03 26.25410104 17 12.713-05 41 06.78 22.94GVEG083T14
K18M07G 0C2023 03 27.25473704 22 22.776-05 56 52.97 23.16GVEG083T14
K18M07G 0C2023 03 27.25617604 22 23.215-05 56 54.18 23.23GVEG083T14
K18M07G 0C2023 03 27.25761804 22 23.658-05 56 55.63 23.20GVEG083T14
Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea. Observers A. Acohido, L. Wells.
Measurer D. J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels
Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230326 T14 0.03+ 0.04+ 230327 T14 0.03+ 0.04+ MPO473496 +0.05 days
Orbital elements:
2018 MG7 PHA, Earth MOID = 0.0224 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 34.19874 (2000.0) P Q
n 1.13085094 Peri. 132.28004 +0.66336150 -0.61631927
a 0.9124291 Node 270.55656 +0.49827898 +0.78692572
e 0.3273010 Incl. 25.11297 +0.55827374 +0.02997441
P 0.87 H 21.39 G 0.15 U 1
Residuals in seconds of arc
180620 Y00 0.1+ 0.2- 180625 I89 0.5- 0.8+ 180626 204 0.1- 0.1+
180620 Y00 (3.2- 0.2+) 180625 I52 0.0 0.1- 180626 204 0.0 0.1+
180620 Y00 0.8- 0.3+ 180625 I52 0.1+ 0.3- 180627 J95 0.0 0.3-
180624 T08 0.0 0.2- 180625 I52 0.0 0.1+ 180627 J95 0.1+ 0.1-
180624 T08 0.1- 0.6+ 180625 I52 0.1+ 0.3- 180627 J95 0.1- 0.0
180624 T08 0.2+ 0.6- 180625 718 0.1+ 0.3+ 180627 J95 0.2+ 0.1-
180624 B49 0.2- 0.8+ 180625 718 0.3+ 0.1+ 180627 T05 0.6+ 0.5-
180624 B49 0.7+ 1.3- 180625 718 0.3+ 0.2+ 180627 T05 0.0 0.0
180624 B49 0.0 0.6+ 180625 718 0.3+ 0.4- 180627 T05 0.1+ 0.0
180624 B49 0.2- 0.7+ 180625 718 0.4+ 0.3- 180627 T05 0.6+ 0.5-
180624 C95 0.2+ 0.3- 180625 718 0.3+ 0.1- 180627 Z80 0.4- 0.1-
180624 C95 0.2+ 0.1+ 180625 718 0.4+ 0.0 180627 Z80 0.6- 0.9+
180624 C95 0.2+ 0.1+ 180625 718 0.4+ 0.5- 180627 Z80 0.4- 0.1-
180624 C95 0.2+ 0.3- 180625 718 0.3+ 0.0 180627 Z80 0.5- 0.2+
180624 C95 0.3+ 0.1- 180625 718 0.5+ 0.7- 180627 Z80 0.9+ 0.0
180624 J95 0.0 0.4- 180625 T08 0.1+ 0.1- 180627 Z80 0.3- 0.0
180624 C95 0.1- 0.2+ 180625 T08 (1.8- 6.5+) 180627 Z80 0.2+ 0.5+
180624 C95 0.6+ 0.2- 180625 T08 0.0 0.1- 180627 Z80 0.4+ 0.7+
180624 J95 0.0 0.1- 180625 595 0.0 0.0 180627 Z80 0.1+ 0.2+
180624 C95 0.1- 0.2+ 180625 595 0.1- 0.4+ 180627 Z80 0.2- 0.5+
180624 C95 0.4+ 0.2+ 180625 595 0.1- 0.3+ 180628 J95 0.0 0.0
180624 J95 0.1+ 0.2- 180625 595 0.0 0.1+ 180628 J95 0.2- 0.1+
180624 J95 0.1+ 0.0 180625 J81 0.3- 1.2+ 180628 J95 0.1- 0.1-
180624 C95 0.2- 0.0 180625 J81 0.2- 0.8+ 180628 J95 0.1- 0.0
180624 C95 0.3+ 0.2+ 180625 J81 0.5- 1.0+ 180629 F51 0.2- 0.0
180624 C95 0.3+ 0.1- 180625 Z43 0.9+ 0.5- 180629 J95 0.1- 0.0
180624 C95 0.3+ 0.2- 180625 Z43 0.1+ 0.5- 180629 J95 0.1- 0.0
180624 C95 0.0 0.2- 180625 Z43 0.4+ 1.2- 180629 J95 0.0 0.0
180624 C95 0.1+ 0.4- 180625 Z43 0.2+ 1.0- 180630 K38 0.0 0.6-
180624 C95 0.0 0.1+ 180625 Z43 0.8+ 0.2+ 180630 K38 0.6+ 0.2-
180624 Z80 0.0 0.3- 180625 J69 0.8- 1.4+ 180630 J95 0.0 0.2+
180624 Z80 0.2- 0.2- 180625 Z43 0.5+ 0.9- 180630 K38 0.3+ 0.1-
180624 Z80 0.4+ 0.3- 180625 J69 0.7- 1.4+ 180630 J95 0.5+ 0.2+
180624 Z80 0.0 0.4- 180625 J69 0.9- 1.4+ 180630 J95 0.2- 0.1-
180624 C95 0.7+ 0.4+ 180625 J69 0.8- 1.5+ 180701 I52 0.1+ 0.1+
180624 Z80 0.0 0.2- 180625 J69 0.8- 1.5+ 180701 I52 0.3- 0.0
180624 Z80 0.1+ 0.6- 180625 J69 0.9- 1.4+ 180701 I52 0.3- 0.4+
180624 Z80 0.2+ 0.5- 180625 J69 0.9- 1.6+ 180701 I52 0.1- 0.0
180624 Z80 0.0 0.1- 180625 Z80 0.4- 0.1+ 180703 I52 0.1- 0.3-
180624 Z80 0.3+ 0.3- 180625 J69 0.6- 1.2+ 180703 I52 0.1- 0.2+
180624 C95 0.1+ 0.2+ 180625 Z80 0.4- 0.6+ 180704 I52 0.1- 0.1-
180624 Z80 0.1+ 0.3+ 180625 Z80 0.1- 0.2- 180704 I52 0.2+ 0.1-
180624 C95 0.2- 0.3+ 180625 J69 0.7- 1.3+ 180704 I52 0.2- 0.1+
180624 C95 0.2+ 0.2+ 180625 Z80 0.1+ 0.0 180705 I52 0.2- 0.0
180624 C95 0.3+ 0.2+ 180625 J69 1.1- 1.2+ 180705 I52 0.2+ 0.2-
180624 C95 0.5+ 0.8- 180625 Z80 0.1- 0.3- 180705 I52 0.2- 0.0
180624 C95 0.2+ 0.1- 180625 Z80 0.1- 0.6+ 180705 I52 0.1- 0.1+
180624 C95 0.3+ 0.1- 180625 Z80 0.2- 0.2- 180706 I52 (1.6- 0.6-)
180624 C95 0.1- 0.7- 180625 Z80 0.3- 0.3- 180706 I52 0.6- 0.6-
180624 C95 0.5+ 0.6+ 180625 Z80 0.2+ 0.3- 180706 I52 0.2+ 0.1-
180624 C95 0.1+ 0.0 180625 Z80 0.2- 0.1- 180706 I52 0.6+ 0.2+
180625 C95 0.2+ 0.1+ 180625 Z80 0.1+ 0.1+ 230326 T14 0.0 0.0
180625 C95 0.5+ 0.7+ 180626 204 0.1- 0.2- 230327 T14 0.0 0.1-
180625 I89 0.4- 1.4+ 180626 204 0.0 0.3+ 230327 T14 0.0 0.1+
180625 I89 0.3- 0.7+ 180626 204 0.1+ 0.0 230327 T14 0.0 0.0
Ephemeris:
2018 MG7 a,e,i = 0.91, 0.33, 25 q = 0.6138
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 15 03 16 04.8 -02 29 11 0.7120 0.8223 54.6 80.4 23.0
...
2023 03 30 04 36 20.7 -06 38 37 0.7181 0.9138 61.8 74.4 23.1
...
2023 04 07 05 15 17.0 -08 27 20 0.7335 0.9595 65.1 71.0 23.1
...
2023 04 13 05 42 57.2 -09 35 24 0.7487 0.9918 67.2 68.7 23.2
2023 04 14 05 47 27.1 -09 45 39 0.7515 0.9970 67.5 68.3 23.2
2023 04 15 05 51 55.1 -09 55 35 0.7544 1.0022 67.8 68.0 23.2
...
2023 04 21 06 18 08.1 -10 49 08 0.7727 1.0319 69.6 65.9 23.2
...
2023 04 29 06 51 41.2 -11 46 15 0.7998 1.0682 71.5 63.3 23.3
...
2023 05 14 07 51 06.5 -12 59 36 0.8571 1.1256 73.6 59.5 23.4
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-G83
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