MPEC 2021-C116 : 2020 KP7
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M.P.E.C. 2021-C116 Issued 2021 February 9, 01:47 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 KP7
Revision to MPEC 2020-L04
Additional Observations:
K20K07P C2013 08 19.27230615 35 16.123+02 23 43.84 22.87GVEC116F51
K20K07P C2013 08 22.24105615 40 15.774+02 29 29.70 21.99GVEC116F51
K20K07P C2014 06 01.52697221 46 48.031+02 13 19.43 22.32GVEC116F51
K20K07P C2014 06 01.53888021 46 48.536+02 13 55.32 23.26GVEC116F51
K20K07P C2014 06 01.55078521 46 49.059+02 14 30.07 22.41GVEC116F51
K20K07P C2019 06 30.26831812 54 43.011-11 47 01.61 23.05GVEC116F51
K20K07P C2019 06 30.28066212 54 45.579-11 46 45.78 21.91GVEC116F51
K20K07P C2019 06 30.29298012 54 48.146-11 46 29.96 22.26GVEC116F51
Observer details:
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. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
130819 F51 2.9- 4.8- 190630 F51 2.2- 1.0- MPO562949 -315 days
Orbital elements:
2020 KP7 Earth MOID = 0.1772 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 36.50580 (2000.0) P Q
n 1.14157022 Peri. 192.49701 -0.02193524 -0.92498745
a 0.9067084 Node 259.70355 +0.94724959 +0.10212948
e 0.3532239 Incl. 22.67933 +0.31974531 -0.36601610
P 0.86 H 21.8 G 0.15 U 2
Residuals in seconds of arc
130819 F51 0.5+ 0.2- 200530 F51 0.0 0.1- 200601 H21 0.2- 0.3+
130822 F51 0.2- 0.1- 200530 F51 0.1- 0.2+ 200601 H21 0.3- 0.2+
140601 F51 0.5+ 0.4- 200530 F51 0.0 0.2+ 200612 I52 0.4+ 0.3+
140601 F51 0.1- 0.4+ 200530 F51 0.0 0.1+ 200612 I52 0.5+ 0.5+
140601 F51 0.2- 0.0 200530 F51 0.1- 0.1+ 200612 I52 0.5- 0.2-
190630 F51 0.3- 0.3- 200531 H21 0.3- 0.2+ 200612 I52 0.1+ 0.0
190630 F51 0.0 0.1- 200531 H21 0.1+ 0.2+ 200708 654 0.1- 0.3-
190630 F51 0.3+ 0.1+ 200531 H21 0.0 0.2+ 200708 654 0.1- 0.8-
200518 F51 0.1- 0.2- 200531 H21 0.3- 0.2+ 200807 H21 0.6- 0.3+
200518 F51 0.4+ 0.1- 200531 H21 0.1- 0.2+ 200807 H21 0.3- 0.2-
200518 F51 0.1+ 0.2- 200531 H21 0.2- 0.0 200807 H21 0.0 0.6-
200518 F51 0.0 0.0 200531 474 0.3+ 0.2- 200808 H21 0.3+ 0.5+
200530 F51 0.1- 0.0 200531 474 0.1- 0.0 200808 H21 0.3+ 0.4+
200530 F51 0.0 0.1- 200531 474 0.0 0.0 200808 H21 0.3- 0.5+
Ephemeris:
2020 KP7 a,e,i = 0.91, 0.35, 23 q = 0.5864
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 01 10 16 22 11.8 -34 54 37 1.3093 0.8734 41.8 48.7 23.9
...
2021 01 25 17 20 21.3 -34 31 54 1.3813 0.9672 44.4 45.5 24.2
...
2021 02 02 17 49 20.5 -33 40 48 1.4020 1.0123 46.2 44.7 24.3
...
2021 02 08 18 10 07.0 -32 47 37 1.4099 1.0436 47.7 44.4 24.3
2021 02 09 18 13 29.8 -32 37 37 1.4106 1.0485 48.0 44.3 24.4
2021 02 10 18 16 51.4 -32 27 18 1.4111 1.0535 48.2 44.3 24.4
...
2021 02 16 18 36 31.7 -31 19 05 1.4110 1.0815 49.9 44.3 24.4
...
2021 02 24 19 01 31.7 -29 32 20 1.4021 1.1152 52.2 44.5 24.5
...
2021 03 11 19 45 00.9 -25 27 58 1.3614 1.1665 56.8 45.5 24.5
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-C116
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