MPEC 2019-J04 : 2012 KT12
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M.P.E.C. 2019-J04 Issued 2019 May 3, 03:30 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
2012 KT12
Revision to MPEC 2012-K39
Additional Observations:
K12K12T C2019 04 06.48670913 08 11.505-19 13 15.70 21.7 GVEJ004F51
K12K12T C2019 04 06.50777213 08 11.142-19 13 24.53 23.5 GVEJ004F51
K12K12T C2019 04 06.51836013 08 11.033-19 13 28.88 23.0 GVEJ004F51
K12K12T C2019 04 08.43677513 08 45.499-19 28 40.33 22.9 GVEJ004F51
K12K12T C2019 04 08.44773313 08 45.339-19 28 45.28 22.7 GVEJ004F51
K12K12T C2019 04 08.45871613 08 45.140-19 28 50.38 22.4 GVEJ004F51
K12K12T C2019 04 08.46967613 08 44.935-19 28 55.17 21.9 GVEJ004F51
K12K12T C2019 05 02.34888 13 40 13.811-23 33 15.22 21.1 wUEJ004F51
K12K12T C2019 05 02.37129 13 40 17.026-23 33 41.52 21.0 wUEJ004F51
K12K12T C2019 05 02.38250 13 40 18.624-23 33 54.07 20.9 wUEJ004F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, 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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
190406 F51 12- 4+ 190502 F51 41- 9+ MPO231387 +1.4 day
Orbital elements:
2012 KT12 Earth MOID = 0.0031 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 329.36497 (2000.0) P Q
n 0.70401589 Peri. 25.29615 -0.15790861 +0.98714338
a 1.2514526 Node 235.62753 -0.91099257 -0.15530839
e 0.1979400 Incl. 1.71870 -0.38099529 -0.03777907
P 1.40 H 26.8 G 0.15 U 0
Residuals in seconds of arc
120519 704 0.4+ 0.7+ 120523 H21 0.1- 0.4- 190406 F51 0.1- 0.0
120519 704 0.4- 0.4+ 120523 H21 0.1- 0.3- 190406 F51 0.5- 0.1+
120519 704 0.4- 0.2+ 120523 H21 0.1- 0.3- 190406 F51 0.1+ 0.1+
120519 704 0.6+ 0.8+ 120523 H21 0.3- 0.5- 190408 F51 0.4- 0.0
120519 704 1.2- 0.3+ 120523 H21 0.2- 0.3- 190408 F51 0.1+ 0.1+
120520 704 0.5- 0.5- 120523 H21 0.1- 0.2- 190408 F51 0.1+ 0.0
120520 704 0.4- 0.3- 120523 H21 0.1- 0.1- 190408 F51 0.0 0.0
120520 704 0.9- 0.8- 120524 J95 0.3- 0.0 190502 F51 0.1+ 0.1-
120520 704 0.0 0.3+ 120524 J95 0.2+ 0.5- 190502 F51 0.0 0.1-
120520 704 0.1- 0.0 120524 J95 0.6- 0.4+ 190502 F51 0.0 0.1-
120523 H21 0.1- 0.7- 120524 J95 0.5+ 0.1-
Ephemeris:
2012 KT12 a,e,i = 1.25, 0.20, 2 q = 1.0037
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 04 03 13 07 19.8 -18 44 14 0.1205 1.1167 165.4 13.1 23.2
...
2019 04 18 13 13 15.9 -20 43 37 0.07395 1.0763 167.7 11.4 22.0
...
2019 04 26 13 22 47.9 -22 01 19 0.05281 1.0573 165.4 13.9 21.3
...
2019 05 02 13 38 46.9 -23 24 33 0.03820 1.0445 164.5 15.0 20.6
2019 05 03 13 42 54.0 -23 42 14 0.03586 1.0425 164.6 14.9 20.5
2019 05 04 13 47 39.4 -24 01 25 0.03356 1.0406 164.7 14.8 20.3
...
2019 05 10 14 40 42.0 -26 34 45 0.02056 1.0298 169.2 10.6 19.1
...
2019 05 18 19 17 47.2 -18 13 54 0.01068 1.0179 127.9 51.6 18.9
...
2019 06 02 23 31 06.6 +12 27 21 0.03619 1.0042 73.1 104.9 23.5
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-J04
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