MPEC 2015-K31 : 2015 KN18
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M.P.E.C. 2015-K31 Issued 2015 May 21, 02:00 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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
2015 KN18
Observations:
K15K18N* C2015 05 19.43480 16 54 08.021-03 09 23.41 20.8 wLEK031F51
K15K18N C2015 05 19.44547 16 54 06.400-03 10 22.49 21.1 wLEK031F51
K15K18N C2015 05 19.45613 16 54 04.778-03 11 21.36 20.9 wLEK031F51
K15K18N C2015 05 19.46684 16 54 03.154-03 12 20.54 20.8 wLEK031F51
K15K18N KC2015 05 20.24290 16 52 18.40 -04 26 55.4 20.4 RoEK031291
K15K18N KC2015 05 20.24453 16 52 18.13 -04 27 05.5 20.1 RoEK031291
K15K18N KC2015 05 20.24614 16 52 17.87 -04 27 15.1 20.0 RoEK031291
K15K18N KC2015 05 21.03643 16 50 17.08 -05 49 32.5 20.8 VqEK031I93
K15K18N KC2015 05 21.06367 16 50 12.29 -05 52 28.8 20.7 VqEK031I93
Observer details:
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, N. Primak,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau,
H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
Orbital elements:
2015 KN18 Earth MOID = 0.0875 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 333.53228 (2000.0) P Q
n 0.65604216 Peri. 259.73402 +0.74675013 +0.55230357
a 1.3117414 Node 65.77145 -0.32856944 +0.79076877
e 0.3110455 Incl. 23.97692 -0.57827880 +0.26390439
P 1.50 H 23.4 G 0.15 U 8
Residuals in seconds of arc
150519 F51 0.0 0.1+ 150519 F51 0.1+ 0.0 150520 291 0.1- 0.1-
150519 F51 0.0 0.1- 150520 291 0.1+ 0.2+ 150521 I93 0.1+ 0.3-
150519 F51 0.1- 0.0 150520 291 0.0 0.1- 150521 I93 0.1- 0.3+
Ephemeris:
2015 KN18 a,e,i = 1.31, 0.31, 24 q = 0.9037
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 04 21 17 05 53.1 +11 50 28 0.4187 1.2991 126.7 38.3 23.6
...
2015 05 06 17 08 15.8 +08 22 00 0.2758 1.2270 137.8 33.5 22.4
...
2015 05 14 17 02 52.4 +03 17 07 0.2053 1.1878 146.8 27.7 21.6
...
2015 05 20 16 52 50.8 -04 02 23 0.1572 1.1583 157.1 19.8 20.7
2015 05 21 16 50 22.8 -05 44 46 0.1498 1.1534 159.3 18.0 20.5
2015 05 22 16 47 36.5 -07 38 10 0.1426 1.1485 161.7 16.0 20.3
...
2015 05 28 16 21 14.0 -24 00 25 0.1062 1.1193 177.2 2.6 19.1
...
2015 06 05 14 31 47.0 -58 24 54 0.08975 1.0813 136.4 40.3 19.9
...
2015 06 20 07 28 50.4 -59 08 11 0.1606 1.0147 84.9 86.0 22.5
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-K31
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