MPEC 2020-S71 : 2020 RK9
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M.P.E.C. 2020-S71 Issued 2020 September 19, 00:22 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 RK9
Observations:
K20R09K* C2020 09 11.34440722 39 54.581-32 00 05.54 21.39wUES071F51
K20R09K C2020 09 11.36244122 39 50.323-31 59 32.04 21.41wUES071F51
K20R09K C2020 09 11.37145922 39 48.191-31 59 15.42 21.28wUES071F51
K20R09K ^C2020 09 13.47633122 31 44.660-30 47 27.46 20.98GVES071568
K20R09K ^C2020 09 13.47729422 31 44.425-30 47 25.17 21.00GVES071568
K20R09K C2020 09 15.33057622 24 23.670-29 34 17.12 21.09wUES071F51
K20R09K C2020 09 15.34677322 24 19.519-29 33 36.91 21.51wUES071F51
K20R09K C2020 09 15.36367222 24 15.172-29 32 54.23 21.27wUES071F51
K20R09K C2020 09 15.37977822 24 11.032-29 32 13.23 21.30wUES071F51
K20R09K C2020 09 18.34995922 11 52.508-27 13 25.57 21.05wUES071F52
K20R09K C2020 09 18.36703122 11 47.947-27 12 33.16 21.35wUES071F52
K20R09K C2020 09 18.40110322 11 38.815-27 10 47.88 21.00wUES071F52
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, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, T. Lowe, A.
Schultz, M. Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L.
Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2020 RK9 Earth MOID = 0.1245 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 310.14674 (2000.0) P Q
n 0.29275576 Peri. 54.79888 +0.60512148 -0.79601225
a 2.2462896 Node 357.81003 +0.55980953 +0.43782427
e 0.5584767 Incl. 21.28944 +0.56607534 +0.41794068
P 3.37 H 22.2 G 0.15 U 6
Residuals in seconds of arc
200911 F51 0.1+ 0.0 200913 568 0.1+ 0.0 200915 F51 0.1- 0.2+
200911 F51 0.0 0.1+ 200915 F51 0.1+ 0.1+ 200918 F52 0.1- 0.1+
200911 F51 0.1- 0.1- 200915 F51 0.1+ 0.2- 200918 F52 0.1+ 0.0
200913 568 0.1+ 0.1- 200915 F51 0.1- 0.1- 200918 F52 0.0 0.2-
Ephemeris:
2020 RK9 a,e,i = 2.25, 0.56, 21 q = 0.9918
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 08 20 23 36 02.1 -36 32 53 0.4991 1.4570 147.3 22.0 22.6
...
2020 09 04 23 04 26.8 -34 50 09 0.3662 1.3433 152.2 20.5 21.7
...
2020 09 12 22 37 26.5 -31 38 41 0.3088 1.2847 150.7 22.5 21.3
...
2020 09 18 22 13 21.1 -27 30 50 0.2732 1.2422 146.6 26.4 21.0
2020 09 19 22 09 07.1 -26 39 03 0.2680 1.2353 145.7 27.3 21.0
2020 09 20 22 04 50.5 -25 44 03 0.2630 1.2284 144.7 28.2 21.0
...
2020 09 26 21 38 44.7 -19 05 32 0.2374 1.1883 137.4 34.8 20.9
...
2020 10 04 21 04 41.9 -07 26 24 0.2167 1.1384 125.0 46.1 20.9
...
2020 10 19 20 09 36.9 +17 42 17 0.2190 1.0600 101.0 67.3 21.4
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-S71
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