MPEC 2015-K101: P/2010 R2 = 2015 K3 (LA SAGRA)
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M.P.E.C. 2015-K101 Issued 2015 May 26, 00:17 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
P/2010 R2 = 2015 K3 (LA SAGRA)
Observations:
PK15K030 C2015 03 21.40571419 21 19.011-22 44 03.08 22.8 TtEK101304
PK15K030 C2015 03 21.41005819 21 19.354-22 44 01.38 22.6 TtEK101304
PK15K030 C2015 04 18.39658619 50 33.272-19 13 50.23 22.5 TtEK101304
PK15K030 C2015 04 18.40222219 50 33.546-19 13 47.49 22.4 TtEK101304
PK15K030 C2015 04 18.40784719 50 33.822-19 13 44.87 22.6 TtEK101304
PK15K030 KC2015 05 22.42872 20 06 28.00 -14 21 58.8 21.6 ToEK101291
PK15K030 KC2015 05 22.43625 20 06 28.00 -14 21 54.6 21.9 ToEK101291
PK15K030 KC2015 05 22.44381 20 06 28.05 -14 21 50.2 22.7 ToEK101291
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
304 Las Campanas Observatory. Observer S. S. Sheppard. Measurers M. Micheli,
H. H. Hsieh.
Orbital elements:
P/2010 R2 = 2015 K3 (La Sagra)
Epoch 2010 June 13.0 TT = JDT 2455360.5
T 2010 June 25.78399 TT MPCW
q 2.6226473 (2000.0) P Q
n 0.18075516 Peri. 59.53556 +0.80916779 +0.46060640
a 3.0979584 Node 270.75827 -0.58047329 +0.72290049
e 0.1534272 Incl. 21.39810 +0.09109469 +0.51503071
P 5.45
From 405 observations 2010 Aug. 12-2015 May 22, mean residual 0".6.
P/2010 R2 = 2015 K3 (La Sagra)
Epoch 2015 Dec. 4.0 TT = JDT 2457360.5
T 2015 Nov. 29.90222 TT MPCW
q 2.6198415 (2000.0) P Q
n 0.18093348 Peri. 58.55676 +0.80011550 +0.47592273
a 3.0959226 Node 270.65011 -0.59422654 +0.71199358
e 0.1537768 Incl. 21.41643 +0.08191471 +0.51629711
P 5.45
From 405 observations 2010 Aug. 12-2015 May 22, mean residual 0".6.
P/2010 R2 = 2015 K3 (La Sagra)
Epoch 2021 Apr. 26.0 TT = JDT 2459330.5
T 2021 May 5.98877 TT MPCW
q 2.6185937 (2000.0) P Q
n 0.18079202 Peri. 57.68105 +0.79255525 +0.48854264
a 3.0975373 Node 270.62254 -0.60532728 +0.70265194
e 0.1546208 Incl. 21.40531 +0.07372289 +0.51730682
P 5.45
From 405 observations 2010 Aug. 12-2015 May 22, mean residual 0".6.
P/2010 R2 = 2015 K3 (La Sagra)
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2015 Nov. 29.99393 TT MPCW
q 2.6198080 (2000.0) P Q
n 0.18094360 Peri. 58.57702 +0.80030082 +0.47559769
a 3.0958072 Node 270.65267 -0.59394784 +0.71221955
e 0.1537561 Incl. 21.41751 +0.08212527 +0.51628495
P 5.45
From 405 observations 2010 Aug. 12-2015 May 22, mean residual 0".6.
Ephemeris:
P/2010 R2 (La Sagra)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2015 04 26 19 56 14.2 -18 11 05 2.4423 2.7637 97.7 21.1 19.4
...
2015 05 11 20 04 00.2 -16 02 27 2.2318 2.7460 110.0 20.2 19.1
...
2015 05 19 20 06 03.8 -14 52 12 2.1264 2.7370 116.9 19.2 19.0
...
2015 05 25 20 06 34.3 -13 59 15 2.0517 2.7303 122.3 18.3 18.9
2015 05 26 20 06 34.1 -13 50 26 2.0398 2.7292 123.2 18.1 18.9
2015 05 27 20 06 32.3 -13 41 37 2.0279 2.7282 124.1 17.9 18.9
...
2015 06 02 20 05 49.5 -12 48 53 1.9597 2.7217 129.7 16.7 18.8
...
2015 06 10 20 03 26.1 -11 39 37 1.8779 2.7134 137.4 14.7 18.7
...
2015 06 25 19 54 45.6 -09 36 42 1.7585 2.6986 152.0 10.2 18.5
Gareth V. Williams (C) Copyright 2015 MPC M.P.E.C. 2015-K101
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