MPEC 2020-R149 : 2020 RW4
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M.P.E.C. 2020-R149 Issued 2020 September 14, 10:26 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 RW4
Observations:
K20R04W C2020 09 10.31477921 58 19.337-27 36 10.35 21.16GVER149F51
K20R04W C2020 09 10.32634621 58 22.045-27 36 15.32 21.92GVER149F51
K20R04W C2020 09 10.33798721 58 24.773-27 36 20.60 21.69GVER149F51
K20R04W C2020 09 10.34958021 58 27.452-27 36 25.36 21.45GVER149F51
K20R04W* C2020 09 11.33798722 02 54.590-27 42 03.26 21.42wUER149F51
K20R04W C2020 09 11.35600722 02 58.986-27 42 09.36 21.83wUER149F51
K20R04W C2020 09 11.36501922 03 01.183-27 42 12.38 21.75wUER149F51
K20R04W ^C2020 09 12.33316122 07 34.723-27 46 30.98 21.92GVER149568
K20R04W ^C2020 09 12.33410822 07 34.963-27 46 31.27 21.98GVER149568
K20R04W ^C2020 09 12.33506322 07 35.211-27 46 31.56 21.83GVER149568
Observer details:
568 Mauna Kea. Observers R. Wainscoat, L. Wells, T. Burdullis. Measurers R.
Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J. Fairlamb, H.
Flewelling, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2020 RW4 Earth MOID = 0.0981 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Alexandersen
M 319.44878 (2000.0) P Q
n 0.33361623 Peri. 245.46218 +0.99563525 -0.08741163
a 2.0589127 Node 119.53785 +0.09327597 +0.92006782
e 0.4688776 Incl. 2.15433 +0.00316821 +0.38188273
P 2.95 H 25.0 G 0.15 U 7
Residuals in seconds of arc
200910 F51 0.0 0.1- 200911 F51 0.0 0.1- 200912 568 0.0 0.0
200910 F51 0.0 0.1+ 200911 F51 0.0 0.1+ 200912 568 0.0 0.0
200910 F51 0.2+ 0.1- 200911 F51 0.0 0.0
200910 F51 0.1- 0.0 200912 568 0.0 0.0
Ephemeris:
2020 RW4 a,e,i = 2.06, 0.47, 2 q = 1.0935
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 08 15 20 57 01.9 -22 11 59 0.1952 1.2040 167.2 10.8 22.5
...
2020 08 30 21 20 11.1 -25 35 43 0.1472 1.1455 155.8 21.1 22.2
...
2020 09 07 21 44 45.8 -27 09 01 0.1281 1.1224 151.9 25.0 21.9
...
2020 09 13 22 10 47.1 -27 47 53 0.1169 1.1092 150.2 26.8 21.8
2020 09 14 22 15 47.6 -27 50 06 0.1153 1.1074 150.1 26.9 21.7
2020 09 15 22 20 59.5 -27 50 48 0.1138 1.1057 150.0 27.1 21.7
...
2020 09 21 22 55 50.3 -27 16 44 0.1066 1.0977 150.1 27.2 21.6
...
2020 09 29 23 48 37.4 -24 27 40 0.1028 1.0935 151.9 25.5 21.4
...
2020 10 14 01 17 37.9 -14 13 13 0.1158 1.1055 157.7 20.1 21.5
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-R149
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