MPEC 2023-V234 : 2018 VN7
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M.P.E.C. 2023-V234 Issued 2023 November 13, 15:52 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 VN7
Revision to MPEC 2018-V176
Additional Observations:
K18V07N C2023 11 10.24870 01 22 24.14 -21 59 24.0 VEV234703
K18V07N C2023 11 10.25399 01 22 43.57 -22 07 04.5 16.8 GVEV234703
K18V07N C2023 11 10.25929 01 23 03.13 -22 14 48.4 VEV234703
K18V07N KC2023 11 12.18816 02 41 41.15 -43 44 14.6 18.7 GVEV234W94
K18V07N KC2023 11 12.19426 02 41 48.89 -43 45 54.0 18.8 GVEV234W94
K18V07N KC2023 11 12.20035 02 41 56.56 -43 47 32.9 18.8 GVEV234W94
K18V07N C2023 11 12.27133002 43 27.81 -44 05 14.1 WEV234X09
K18V07N C2023 11 12.27485502 43 32.17 -44 06 06.5 WEV234X09
K18V07N 2C2023 11 13.17185303 01 15.016-47 07 13.89 19.3 GXEV234W57
K18V07N 2C2023 11 13.19016 03 01 29.85 -47 10 01.7 19.4 GXEV234W57
K18V07N 2C2023 11 13.19865 03 01 36.73 -47 11 17.8 19.9 GXEV234W57
Observer details:
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers B. Gray, D.
Rankin, F. C. Shelly. 0.68-m Schmidt + 10K CCD.
W57 ESA TBT La Silla Observatory. Observers F. Ocana, M. Micheli, R.
Kresken, L. Conversi. Measurers F. Ocana, M. Micheli, R. Kresken.
0.56-m f/2.52 astrograph prime-focus corrector + 4K CCD.
W94 MAP, San Pedro de Atacama. Observers A. Maury, G. Attard. Measurers A.
Maury, G. Attard, D. Parrott, F. Signoret, J.-M. Mari. 0.36-m f/1.9
Schmidt astrograph + CCD.
X09 Deep Random Survey, Rio Hurtado. Observers A. Schnabel, D. Ruhela.
Measurer S. Deen. 0.43-m reflector + CMOS.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
231110 703 89- 11- 231113 W57 43- 20- MPO467108 -2.95 days
Orbital elements:
2018 VN7 Earth MOID = 0.0058 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 341.39229 (2000.0) P Q
n 0.78823880 Peri. 142.85512 +0.95126053 -0.10976828
a 1.1606399 Node 226.21305 +0.08059063 +0.99051800
e 0.1656467 Incl. 23.52834 +0.29767188 +0.08261368
P 1.25 H 25.28 G 0.15 U 0
Residuals in seconds of arc
181109 T08 0.2+ 0.3- 181110 T08 0.5- 1.1+ 231112 W94 0.3- 0.6-
181109 T08 0.4+ 0.2+ 181110 T08 0.2+ 2.5- 231112 W94 0.4+ 0.4-
181109 T08 0.2+ 0.8- 181111 E23 0.1+ 0.3- 231112 W94 0.6+ 0.6-
181110 T08 0.0 0.7+ 181111 E23 0.1- 0.3+ 231112 X09 1.2+ 0.7+
181110 T08 0.4- 2.5+ 181111 E23 0.0 0.8- 231112 X09 0.4+ 0.9+
181110 T08 0.3+ 0.1+ 231110 703 0.7+ 1.2- 231113 W57 0.1+ 0.2+
181110 T08 0.4- 0.2+ 231110 703 0.8- 1.8+ 231113 W57 0.4- 0.4-
181110 T08 0.3- 0.1+ 231110 703 0.2- 0.4- 231113 W57 0.4- 0.3-
Ephemeris:
2018 VN7 a,e,i = 1.16, 0.17, 24 q = 0.9684
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 10 14 16 32 59.7 +56 32 17 0.1931 0.9698 76.2 92.7 24.9
...
2023 10 29 16 59 02.3 +58 18 45 0.08538 0.9812 79.3 95.8 23.3
...
2023 11 06 18 40 16.5 +60 23 17 0.02611 0.9917 89.7 88.8 20.5
...
2023 11 12 02 37 00.5 -42 46 06 0.02237 1.0012 119.4 59.5 19.2
2023 11 13 02 58 21.2 -46 38 00 0.02957 1.0029 115.6 62.9 19.9
2023 11 14 03 12 46.1 -48 49 16 0.03692 1.0047 113.2 64.9 20.4
...
2023 11 20 03 48 33.9 -52 52 40 0.08173 1.0160 107.6 68.0 22.3
...
2023 11 28 04 02 29.3 -53 33 41 0.1410 1.0328 105.3 67.2 23.5
...
2023 12 13 04 11 57.4 -52 18 23 0.2470 1.0686 103.2 63.8 24.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-V234
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