MPEC 2023-F47 : 2018 GN4
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M.P.E.C. 2023-F47 Issued 2023 March 19, 11:25 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 GN4
Revision to MPEC 2018-G115
Additional Observations:
K18G04N C2023 03 18.58400016 35 36.589-03 09 19.97 21.22wUEF047F52
K18G04N C2023 03 18.61369816 35 25.242-03 10 54.48 21.14wUEF047F52
K18G04N C2023 03 18.62844316 35 19.590-03 11 41.51 21.10wUEF047F52
K18G04N KC2023 03 19.12191516 32 20.24 -03 38 03.7 20.9 GXEF047L01
K18G04N KC2023 03 19.12359916 32 19.66 -03 38 09.7 20.0 GXEF047L01
K18G04N KC2023 03 19.12528616 32 18.99 -03 38 14.7 19.9 GXEF047L01
K18G04N KC2023 03 19.12696916 32 18.35 -03 38 19.7 20.6 GXEF047L01
K18G04N KC2023 03 19.12865116 32 17.69 -03 38 24.7 20.2 GXEF047L01
K18G04N 1C2023 03 19.13223 16 32 16.36 -03 38 39.4 21.8 VXEF047033
K18G04N 1C2023 03 19.13408 16 32 15.70 -03 38 45.3 21.4 VXEF047033
K18G04N 1C2023 03 19.13593 16 32 14.99 -03 38 51.0 21.2 VXEF047033
K18G04N 1C2023 03 19.13801 16 32 14.22 -03 38 58.0 21.4 VXEF047033
K18G04N |C2023 03 19.32547 16 31 06.69 -03 47 47.5 20.6 VuEF047807
K18G04N |C2023 03 19.33066 16 31 04.76 -03 48 04.3 20.9 VuEF047807
K18G04N |C2023 03 19.33575 16 31 02.76 -03 48 20.0 21.2 VuEF047807
K18G04N KC2023 03 19.39811716 30 39.72 -03 52 32.1 20.7 GVEF047H21
K18G04N KC2023 03 19.40091416 30 38.63 -03 52 41.1 20.7 GVEF047H21
K18G04N KC2023 03 19.40296516 30 37.86 -03 52 47.6 20.7 GVEF047H21
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3
Schmidt + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 Dall-Kirkham Astrograph + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith. Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, E. Pettarin. Measurer
E. Pettarin. 1.0-m f/2.9 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230318 F52 0.00- 1.23- 230319 H21 0.07- 1.19- MPO445239 +0.42 days
Orbital elements:
2018 GN4 Earth MOID = 0.0196 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 23.24031 (2000.0) P Q
n 0.59528024 Peri. 80.87988 -0.19530336 -0.97806738
a 1.3995500 Node 20.81280 +0.80066150 -0.20163618
e 0.4502901 Incl. 11.75596 +0.56639011 -0.05222111
P 1.66 H 22.55 G 0.15 U 1
Residuals in seconds of arc
180412 G96 0.1+ 0.7- 180415 807 0.2+ 0.2- 230318 F52 0.0 0.1+
180412 G96 0.1+ 0.3- 180415 807 0.1- 0.2+ 230319 L01 0.7- 0.4+
180412 G96 0.2+ 0.0 180419 807 0.4+ 0.6- 230319 L01 0.2+ 0.3-
180412 G96 0.2+ 0.2+ 180419 807 0.0 0.1- 230319 L01 0.2- 0.0
180412 I52 0.1+ 0.0 180419 807 0.0 0.2- 230319 L01 0.3- 0.3+
180412 I52 0.1+ 0.9- 180419 I52 0.0 0.1+ 230319 L01 0.6- 0.7+
180412 I52 0.3+ 0.6- 180419 I52 0.2- 0.2- 230319 033 0.6- 0.3+
180412 474 0.3- 0.1+ 180419 I52 0.1- 0.4- 230319 033 0.1- 0.2+
180412 474 0.1+ 0.1- 180419 I52 0.1- 0.6- 230319 033 0.2- 0.4+
180412 474 0.3- 0.2- 180421 G96 0.1- 0.3- 230319 033 0.0 0.0
180413 I52 0.7- 0.1+ 180421 G96 0.3- 0.9+ 230319 807 0.2- 0.3-
180413 I52 0.2- 0.2- 180421 G96 0.2+ 0.0 230319 807 0.6+ 0.7-
180413 I52 0.2- 1.1- 180421 691 0.2- 0.2+ 230319 807 0.3- 0.4-
180413 L01 0.2- 0.2+ 180421 691 0.5- 0.8+ 230319 H21 0.5+ 0.0
180413 L01 0.4- 0.0 180421 691 0.5- 0.1+ 230319 H21 0.1+ 0.2-
180413 L01 0.2+ 0.5+ 230318 F52 0.3- 0.0 230319 H21 0.2+ 0.2-
180415 807 0.1+ 0.1- 230318 F52 0.0 0.2+
Ephemeris:
2018 GN4 a,e,i = 1.40, 0.45, 12 q = 0.7693
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 02 17 19 32 53.8 +19 51 24 0.2028 0.8665 48.3 121.6 23.7
...
2023 03 04 18 02 13.4 +09 59 15 0.1779 0.9614 75.2 94.5 22.1
...
2023 03 12 17 15 01.5 +02 49 56 0.1747 1.0176 93.0 77.1 21.5
...
2023 03 18 16 39 08.1 -02 37 51 0.1769 1.0609 107.2 63.6 21.2
2023 03 19 16 33 04.4 -03 30 59 0.1778 1.0682 109.6 61.4 21.1
2023 03 20 16 26 59.5 -04 23 22 0.1787 1.0755 112.0 59.1 21.1
...
2023 03 26 15 50 16.6 -09 16 13 0.1878 1.1195 126.6 45.7 20.9
...
2023 04 03 15 02 47.7 -14 24 27 0.2099 1.1780 145.2 29.0 20.8
...
2023 04 18 13 51 42.3 -19 16 59 0.2843 1.2854 170.9 7.1 20.9
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-F47
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