MPEC 2020-R141 : 2020 RO4
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M.P.E.C. 2020-R141 Issued 2020 September 14, 10:00 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 RO4
Observations:
K20R04O C2020 09 08.47733722 33 23.225-08 20 57.72 20.61GVER141F51
K20R04O C2020 09 08.48876922 33 27.475-08 21 06.20 21.28GVER141F51
K20R04O C2020 09 08.50021622 33 31.674-08 21 14.47 20.77GVER141F51
K20R04O C2020 09 08.51169822 33 35.954-08 21 22.29 20.98GVER141F51
K20R04O* C2020 09 12.36030422 53 00.560-08 54 47.17 21.33wUER141F51
K20R04O C2020 09 12.37145422 53 02.791-08 54 51.04 22.01wUER141F51
K20R04O C2020 09 12.38256422 53 05.029-08 54 54.94 21.96wUER141F51
K20R04O C2020 09 12.39366622 53 07.254-08 54 59.05 21.74wUER141F51
K20R04O C2020 09 13.38295922 56 37.497-09 00 12.50 22.29wUER141F51
K20R04O C2020 09 13.39908322 56 40.304-09 00 17.20 22.02wUER141F51
K20R04O C2020 09 13.41524122 56 43.127-09 00 21.80 22.21wUER141F51
K20R04O C2020 09 13.43145422 56 45.950-09 00 26.40 22.28wUER141F51
K20R04O ^C2020 09 13.48546622 56 55.320-09 00 39.96 21.80GVER141568
K20R04O ^C2020 09 13.48641322 56 55.484-09 00 40.15 21.67GVER141568
K20R04O ^C2020 09 13.48735922 56 55.651-09 00 40.38 21.95GVER141568
K20R04O ^C2020 09 13.48830622 56 55.818-09 00 40.66 21.89GVER141568
K20R04O ^C2020 09 13.48925622 56 55.989-09 00 40.91 21.80GVER141568
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 RO4 Earth MOID = 0.0164 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Alexandersen
M 345.39261 (2000.0) P Q
n 0.28628707 Peri. 113.69391 +0.17047668 +0.98521595
a 2.2800002 Node 166.08978 -0.92778833 +0.16628532
e 0.6241274 Incl. 4.04263 -0.33188329 +0.04121559
P 3.44 H 25.4 G 0.15 U 7
Residuals in seconds of arc
200908 F51 0.1+ 0.2+ 200912 F51 0.0 0.2+ 200913 568 0.1+ 0.1-
200908 F51 0.3+ 0.1- 200912 F51 0.1+ 0.1+ 200913 568 0.0 0.0
200908 F51 0.3- 0.2- 200913 F51 0.1+ 0.1- 200913 568 0.1+ 0.0
200908 F51 0.1- 0.1+ 200913 F51 0.1- 0.1- 200913 568 0.1+ 0.1-
200912 F51 0.1+ 0.1- 200913 F51 0.0 0.0 200913 568 0.1+ 0.1-
200912 F51 0.1- 0.1+ 200913 F51 0.0 0.1-
Ephemeris:
2020 RO4 a,e,i = 2.28, 0.62, 4 q = 0.8570
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 08 15 12 46 06.7 +11 09 23 0.1240 0.9305 45.7 128.8 26.3
...
2020 08 30 19 01 19.0 +00 59 30 0.03340 1.0297 126.1 52.4 20.0
...
2020 09 07 22 22 08.4 -07 58 12 0.08619 1.0926 169.7 9.5 20.9
...
2020 09 13 22 55 18.4 -08 57 47 0.1381 1.1428 171.1 7.9 21.9
2020 09 14 22 58 35.3 -09 02 30 0.1471 1.1514 170.7 8.1 22.1
2020 09 15 23 01 30.5 -09 06 24 0.1562 1.1600 170.3 8.4 22.3
...
2020 09 21 23 14 00.7 -09 17 17 0.2129 1.2124 167.0 10.7 23.1
...
2020 09 29 23 23 58.1 -09 10 44 0.2940 1.2839 161.5 14.4 24.1
...
2020 10 14 23 36 27.9 -08 20 45 0.4657 1.4202 150.0 20.5 25.5
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-R141
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