MPEC 2021-C271 : 2018 KC2
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2021-C270
Read MPEC 2021-C272
M.P.E.C. 2021-C271 Issued 2021 February 13, 15:03 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
2018 KC2
Revision to MPEC 2018-K72
Additional Observations:
K18K02C C2013 05 16.44213017 07 08.593-13 54 51.76 21.90GVEC271F51
K18K02C C2013 05 16.45694317 07 06.116-13 54 57.52 21.06GVEC271F51
K18K02C C2013 05 16.48646217 07 01.208-13 55 08.54 21.34GVEC271F51
K18K02C C2013 05 16.50093817 06 58.788-13 55 14.26 20.83GVEC271F51
K18K02C C2013 06 07.40620516 09 32.048-16 18 19.72 22.13GVEC271F51
K18K02C C2013 06 07.42012716 09 30.028-16 18 25.13 21.58GVEC271F51
K18K02C C2013 06 07.43402316 09 28.011-16 18 30.49 21.80GVEC271F51
K18K02C C2013 06 07.45078716 09 25.601-16 18 36.62 22.07GVEC271F51
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
130516 F51 89.0- 21.9- 130607 F51 84.3- 22.0- MPO457152 +0.01 days
Orbital elements:
2018 KC2 Earth MOID = 0.0481 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 131.88648 (2000.0) P Q
n 0.78757618 Peri. 19.92195 -0.31527800 -0.94579247
a 1.1612908 Node 88.51827 +0.85977964 -0.31944280
e 0.2324218 Incl. 4.47231 +0.40171974 -0.05859095
P 1.25 H 22.8 G 0.15 U 3
Residuals in seconds of arc
130516 F51 0.1+ 0.1- 180521 291 0.9- 0.0 180525 291 0.3- 0.0
130516 F51 0.1- 0.1- 180521 291 0.0 0.4+ 180602 291 0.0 0.1+
130516 F51 0.1+ 0.2+ 180521 291 0.4- 0.3+ 180602 291 0.0 0.4+
130516 F51 0.0 0.0 180521 I52 0.7- 0.9- 180606 F51 0.2+ 0.3+
130607 F51 0.1+ 0.1+ 180521 I52 0.1- 0.3- 180606 F51 0.1+ 0.2-
130607 F51 0.0 0.0 180521 I52 0.2+ 0.0 180606 F51 0.1- 0.1-
130607 F51 0.1- 0.2- 180521 I52 0.2- 0.3+ 180607 691 0.2- 0.2+
130607 F51 0.1- 0.1- 180522 V06 0.2+ 0.2- 180607 691 0.0 0.6+
180520 F51 0.1+ 0.1+ 180522 V06 0.1+ 0.5- 180607 691 0.6+ 0.2-
180520 F51 0.1- 0.1+ 180522 V06 0.4+ 0.8- 180610 291 0.2+ 0.0
180520 F51 0.1- 0.2+ 180523 807 0.5+ 0.3- 180610 291 0.0 0.3+
180520 033 0.5+ 0.2+ 180523 807 0.4+ 0.5- 180610 291 0.2- 0.1+
180520 033 0.4+ 0.2+ 180523 807 0.4+ 0.2- 180611 291 0.1- 0.3-
180520 033 0.1- 0.3- 180525 I52 0.0 0.3+ 180611 291 0.2+ 0.0
180521 H01 0.0 0.1+ 180525 I52 0.2- 0.1- 180611 291 0.2- 0.2-
180521 H01 0.0 0.1- 180525 I52 0.1- 0.3+ 180713 T12 0.1- 0.0
180521 H01 0.1- 0.0 180525 291 0.4- 0.5- 180713 T12 0.1+ 0.0
180521 H01 0.3- 0.1+ 180525 291 0.1- 0.2-
Ephemeris:
2018 KC2 a,e,i = 1.16, 0.23, 4 q = 0.8914
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 01 14 18 46 25.4 -23 09 15 2.3532 1.4129 13.1 9.1 26.0
...
2021 01 29 19 32 39.0 -22 14 53 2.3325 1.4257 17.7 12.1 26.1
...
2021 02 06 19 56 50.5 -21 26 47 2.3146 1.4295 20.1 13.7 26.2
...
2021 02 12 20 14 45.9 -20 42 35 2.2981 1.4309 22.0 14.9 26.2
2021 02 13 20 17 44.1 -20 34 35 2.2950 1.4310 22.3 15.2 26.2
2021 02 14 20 20 41.8 -20 26 23 2.2920 1.4311 22.6 15.4 26.2
...
2021 02 20 20 38 21.8 -19 33 31 2.2720 1.4310 24.4 16.6 26.2
...
2021 02 28 21 01 37.6 -18 13 39 2.2416 1.4288 26.8 18.2 26.3
...
2021 03 15 21 44 29.9 -15 17 39 2.1739 1.4191 31.1 21.2 26.3
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-C271
Read MPEC 2021-C270
Read MPEC 2021-C272
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)