MPEC 2020-V150 : 2020 VR4
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M.P.E.C. 2020-V150 Issued 2020 November 14, 18:28 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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
2020 VR4
Observations:
K20V04R* C2020 11 13.17941200 38 24.93 +07 30 01.4 19.37GVEV150703
K20V04R C2020 11 13.18506100 38 13.60 +07 28 04.8 19.01GVEV150703
K20V04R C2020 11 13.19636400 37 51.01 +07 24 10.1 19.99GVEV150703
K20V04R KC2020 11 13.23810500 36 26.50 +07 09 34.8 18.29GVEV150I52
K20V04R KC2020 11 13.23885800 36 24.98 +07 09 18.4 18.67GVEV150I52
K20V04R KC2020 11 13.23961100 36 23.46 +07 09 02.6 19.04GVEV150I52
K20V04R KC2020 11 13.24036400 36 21.91 +07 08 46.6 19.00GVEV150I52
K20V04R 1C2020 11 13.71688 00 19 37.73 +03 57 11.9 19.3 VVEV150033
K20V04R 1C2020 11 13.71737 00 19 36.51 +03 56 58.9 19.5 VVEV150033
K20V04R 1C2020 11 13.71790 00 19 35.20 +03 56 44.2 19.5 VVEV150033
K20V04R KC2020 11 13.76830600 17 33.25 +03 34 23.7 19.0 GVEV150I93
K20V04R KC2020 11 13.77243700 17 22.76 +03 32 29.9 18.5 GVEV150I93
K20V04R KC2020 11 13.77660200 17 12.12 +03 30 34.9 18.7 GVEV150I93
K20V04R KC2020 11 13.87211200 12 57.73 +02 45 28.0 18.6 GVEV150K63
K20V04R KC2020 11 13.87521400 12 49.33 +02 43 56.8 18.4 GVEV150K63
K20V04R KC2020 11 13.87559500 12 48.36 +02 43 46.8 18.6 GVEV150K63
K20V04R KC2020 11 14.00397 00 07 24.04 +01 40 13.0 18.6 GVEV150W34
K20V04R KC2020 11 14.01398 00 06 55.29 +01 35 01.9 18.7 GVEV150W34
K20V04R KC2020 11 14.02416 00 06 25.96 +01 29 44.0 18.3 GVEV150W34
K20V04R KC2020 11 14.05914200 04 54.47 +01 11 33.1 18.25GVEV150I52
K20V04R KC2020 11 14.05975200 04 52.72 +01 11 13.5 18.00GVEV150I52
K20V04R KC2020 11 14.06038800 04 50.80 +01 10 53.4 18.25GVEV150I52
K20V04R KC2020 11 14.06109500 04 48.76 +01 10 31.4 17.96GVEV150I52
K20V04R KC2020 11 14.06462200 04 29.41 +01 07 57.5 18.8 VuEV150H21
K20V04R KC2020 11 14.06631300 04 24.41 +01 07 03.3 18.7 VuEV150H21
K20V04R KC2020 11 14.06800600 04 19.40 +01 06 09.1 18.8 VuEV150H21
K20V04R KC2020 11 14.06969800 04 14.40 +01 05 14.8 18.9 VuEV150H21
K20V04R KC2020 11 14.07110800 04 10.22 +01 04 29.5 18.8 VuEV150H21
K20V04R KC2020 11 14.24519423 55 26.65 -00 33 40.2 19.4 VqEV150U55
K20V04R KC2020 11 14.24648323 55 22.54 -00 34 25.8 19.0 VqEV150U55
K20V04R KC2020 11 14.24780223 55 18.32 -00 35 10.8 19.1 VqEV150U55
K20V04R 1C2020 11 14.74878 23 26 23.82 -06 04 18.9 19.6 VVEV150033
K20V04R 1C2020 11 14.74907 23 26 22.62 -06 04 31.6 19.8 VVEV150033
K20V04R 1C2020 11 14.74935 23 26 21.46 -06 04 44.3 19.4 VVEV150033
K20V04R KC2020 11 14.74971823 26 19.89 -06 04 31.0 18.5 GVEV150L01
K20V04R KC2020 11 14.75086023 26 15.23 -06 05 21.3 18.5 GVEV150L01
K20V04R KC2020 11 14.75170223 26 11.78 -06 05 58.5 18.7 GVEV150L01
K20V04R IC2020 11 14.75278323 26 07.35 -06 06 45.7 18.6 GVEV150L01
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, F.
Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers E. J.
Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 0.68-m Schmidt + 10K
CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer T. A. Pruyne.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.4-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, V. Dobos, D. Pujagic.
Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
U55 Golden Ears Observatory, Maple Ridge. Observer B. Kumar. 0.36-m f/7
Schmidt-Cassegrain + CCD.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. 0.36-m
Schmidt-Cassegrain + CCD.
Orbital elements:
2020 VR4 Earth MOID = 0.0020 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 348.90492 (2000.0) P Q
n 0.57666822 Peri. 258.88313 -0.64017412 -0.76609064
a 1.4295040 Node 231.07643 +0.73045500 -0.58390381
e 0.4836507 Incl. 4.22308 +0.23793401 -0.26862887
P 1.71 H 25.5 G 0.15 U 7
Residuals in seconds of arc
201113 703 0.6- 0.4+ 201113 K63 0.0 0.3+ 201114 H21 0.3+ 0.1+
201113 703 1.2- 0.0 201113 K63 0.8- 0.6- 201114 H21 0.2+ 0.1+
201113 703 0.2- 0.9- 201113 K63 0.1+ 0.5+ 201114 U55 0.4- 0.1+
201113 I52 0.4+ 0.2+ 201114 W34 0.4- 0.6- 201114 U55 0.3- 0.4-
201113 I52 0.6+ 0.2- 201114 W34 0.8- 0.4- 201114 U55 0.4- 0.7+
201113 I52 0.9+ 0.0 201114 W34 0.2+ 0.1- 201114 033 0.2+ 0.2-
201113 I52 0.7+ 0.0 201114 I52 0.1+ 0.1- 201114 033 0.2- 0.2-
201113 033 0.1+ 0.1- 201114 I52 0.6+ 0.2- 201114 033 0.5- 0.6-
201113 033 0.1- 0.0 201114 I52 0.2- 0.0 201114 L01 0.3+ 0.3+
201113 033 0.2- 0.5- 201114 I52 0.2+ 0.5+ 201114 L01 0.4+ 0.1+
201113 I93 0.1- 0.3+ 201114 H21 0.3+ 0.2+ 201114 L01 0.2+ 0.1-
201113 I93 0.2+ 0.3+ 201114 H21 0.2+ 0.1+ 201114 L01 0.0 0.3+
201113 I93 0.0 0.3+ 201114 H21 0.2+ 0.2+
Ephemeris:
2020 VR4 a,e,i = 1.43, 0.48, 4 q = 0.7381
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 15 02 30 38.3 +23 56 03 0.2586 1.2397 157.2 18.1 24.0
...
2020 10 30 02 20 03.0 +23 17 38 0.1307 1.1221 170.5 8.4 21.9
...
2020 11 07 01 57 28.1 +20 29 52 0.06920 1.0585 167.0 12.1 20.6
...
2020 11 13 00 43 48.2 +08 31 19 0.02706 1.0112 142.5 36.6 19.2
2020 11 14 00 07 26.1 +01 46 29 0.02129 1.0034 130.6 48.5 19.0
2020 11 15 23 08 51.9 -09 08 42 0.01690 0.9956 111.9 67.2 19.0
...
2020 11 21 16 20 46.3 -34 32 24 0.04006 0.9495 16.5 162.8 30.5
...
2020 11 29 15 21 21.3 -30 01 52 0.09936 0.8912 15.8 162.5 32.2
...
2020 12 14 15 11 22.1 -27 37 08 0.2253 0.7988 30.6 141.1 28.8
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-V150
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