[Iaude] MPEC Y22: 2018 GW3 [a=1.16,e=0.14,i=12.9,H=24.63]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 17 09:10:37 EST 2023
M.P.E.C. 2023-Y22 Issued 2023 December 17, 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 GW3
Revision to MPEC 2018-G100
Additional Observations:
K18G03W 0C2023 10 21.54771902 59 23.561+04 44 09.00 23.34GVEY022T12
K18G03W 0C2023 11 08.42362302 29 01.107-08 35 21.22 24.43GVEY022T12
Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea. Observer 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, reference and Delta-T
231021 T12 43.2- 6.0- 231108 T12 38.0- 4.8- E2023-Q78 -0.00 days
Orbital elements:
2018 GW3 Earth MOID = 0.0623 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 75.66802 (2000.0) P Q
n 0.79379351 Peri. 69.16031 -0.01150620 +0.99680996
a 1.1552191 Node 200.65985 -0.98033448 -0.02680673
e 0.1426292 Incl. 12.93516 -0.19700738 +0.07517519
P 1.24 H 24.63 G 0.15 U 1
Residuals in seconds of arc
180413 F51 0.1+ 0.1+ 180415 807 0.6+ 0.1+ 180423 I52 0.3- 0.5-
180413 F51 0.1- 0.2- 180415 807 0.4+ 0.2- 180423 I52 0.5+ 0.3-
180413 F51 0.0 0.0 180415 691 0.2- 0.7+ 180505 H21 0.0 0.6-
180413 F51 0.1- 0.0 180415 691 0.5- 0.5+ 180505 H21 0.5- 0.2-
180414 I52 0.4- 0.1- 180415 691 0.3- 0.6+ 180505 H21 0.5+ 0.4-
180414 I52 0.6+ 0.0 180416 291 0.1- 0.1+ 180506 H21 0.4+ 0.4-
180414 I52 0.1- 0.1- 180416 291 0.4- 0.1- 180506 H21 0.5+ 0.2-
180414 G96 0.1- 0.7+ 180416 291 0.2- 0.0 180506 H21 0.1+ 0.2-
180414 G96 0.1+ 0.1- 180419 I52 0.1+ 0.4- 180918 V06 0.4+ 0.0
180414 G96 0.3- 0.4+ 180419 I52 0.2- 0.5- 180918 V06 0.2+ 0.2+
180414 G96 0.3- 0.6- 180419 I52 0.1- 0.5- 181009 291 0.1+ 0.2+
180414 033 0.2+ 0.7+ 180421 I52 0.5- 0.3- 181009 291 0.4- 0.8-
180414 033 0.0 0.3+ 180421 I52 0.2- 0.0 181009 291 0.6- 0.3+
180414 033 0.0 0.3+ 180421 I52 0.1- 0.3- 181012 H21 0.5+ 0.3+
180414 033 0.1- 0.2+ 180421 691 0.1+ 0.0 181012 H21 0.4+ 0.2+
180414 033 0.0 0.1+ 180421 691 0.3- 0.4+ 181012 H21 0.3+ 0.1-
180414 033 0.1- 0.2+ 180421 691 0.0 0.6- 231021 T12 0.1+ 0.0
180414 033 0.2- 0.2+ 180423 I52 0.1- 0.4- 231108 T12 0.1- 0.1-
180415 807 0.2- 0.3+ 180423 I52 0.1+ 0.1-
Ephemeris:
2018 GW3 a,e,i = 1.16, 0.14, 13 q = 0.9905
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 17 02 18 36.8 -12 00 06 0.3242 1.2680 144.9 26.6 23.9
...
2023 12 02 02 10 50.4 -14 07 35 0.4078 1.2884 130.4 35.6 24.7
...
2023 12 10 02 11 46.0 -13 53 18 0.4578 1.2974 123.9 39.0 25.1
...
2023 12 16 02 14 27.4 -13 17 31 0.4969 1.3031 119.5 41.1 25.3
2023 12 17 02 15 03.5 -13 09 53 0.5036 1.3040 118.9 41.4 25.3
2023 12 18 02 15 42.0 -13 01 49 0.5102 1.3049 118.2 41.7 25.4
...
2023 12 24 02 20 21.7 -12 05 44 0.5504 1.3095 114.2 43.2 25.6
...
2024 01 01 02 28 29.0 -10 34 43 0.6046 1.3144 109.4 44.9 25.8
...
2024 01 16 02 48 32.3 -07 12 02 0.7064 1.3194 101.4 47.0 26.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-Y22
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