MPEC 2015-W39 : 2015 WR1
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M.P.E.C. 2015-W39 Issued 2015 Nov. 21, 02:59 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
2015 WR1
Observations:
K15W01R C2015 11 19.20285 00 56 17.28 +17 35 32.1 21.4 VqEW039G96
K15W01R C2015 11 19.20497 00 56 17.64 +17 35 28.9 22.0 VqEW039G96
K15W01R C2015 11 19.20709 00 56 17.96 +17 35 27.0 21.0 VqEW039G96
K15W01R C2015 11 19.20922 00 56 18.32 +17 35 23.7 21.4 VqEW039G96
K15W01R* C2015 11 19.23538 00 56 22.60 +17 34 48.2 20.6 VqEW039G96
K15W01R C2015 11 19.23882 00 56 23.15 +17 34 43.0 21.3 VqEW039G96
K15W01R C2015 11 19.24227 00 56 23.72 +17 34 38.5 21.3 VqEW039G96
K15W01R C2015 11 19.24574 00 56 24.28 +17 34 33.7 21.5 VqEW039G96
K15W01R C2015 11 19.28934500 56 31.39 +17 33 32.4 21.4 VtEW039H01
K15W01R C2015 11 19.29577600 56 32.45 +17 33 23.3 21.2 VtEW039H01
K15W01R C2015 11 19.30358400 56 33.76 +17 33 12.5 21.1 VtEW039H01
K15W01R C2015 11 19.31383900 56 35.47 +17 32 58.1 21.2 VtEW039H01
K15W01R C2015 11 19.78244 00 58 00.53 +17 22 24.6 21.1 RtEW039G36
K15W01R C2015 11 19.80550 00 58 04.37 +17 21 54.1 21.1 RtEW039G36
K15W01R C2015 11 19.81711 00 58 06.31 +17 21 38.6 21.2 RtEW039G36
K15W01R C2015 11 19.87480 00 58 15.86 +17 20 21.6 20.8 RtEW039G36
K15W01R C2015 11 20.08282600 58 53.71 +17 15 41.7 20.9 VtEW039H01
K15W01R C2015 11 20.09045700 58 54.99 +17 15 31.7 20.9 VtEW039H01
K15W01R C2015 11 20.10005000 58 56.60 +17 15 19.0 20.7 VtEW039H01
K15W01R C2015 11 20.10450600 58 57.34 +17 15 13.2 21.5 VtEW039H01
K15W01R C2015 11 20.11224 00 58 58.43 +17 15 06.4 oEW039711
K15W01R KC2015 11 20.11378 00 58 59.01 +17 15 01.5 19.7 RoEW039291
K15W01R C2015 11 20.11582 00 58 59.07 +17 15 01.8 oEW039711
K15W01R KC2015 11 20.11859 00 58 59.81 +17 14 54.9 20.1 RoEW039291
K15W01R C2015 11 20.11945 00 58 59.67 +17 14 56.0 oEW039711
K15W01R KC2015 11 20.12336 00 59 00.61 +17 14 49.3 20.1 RoEW039291
K15W01R C2015 11 20.12540 00 59 00.97 +17 14 46.5 21.0 VqEW039G96
K15W01R C2015 11 20.12874 00 59 01.50 +17 14 41.6 21.4 VqEW039G96
K15W01R C2015 11 20.13208 00 59 02.04 +17 14 36.3 21.1 VqEW039G96
K15W01R C2015 11 20.13541 00 59 02.48 +17 14 32.2 20.7 VqEW039G96
K15W01R KC2015 11 21.08149 01 01 52.66 +16 53 22.0 20.7 RoEW039291
K15W01R C2015 11 21.08585 01 01 53.45 +16 53 15.4 21.9 VqEW039G96
K15W01R KC2015 11 21.09089 01 01 54.26 +16 53 09.7 oEW039291
K15W01R C2015 11 21.09229 01 01 54.48 +16 53 07.7 21.3 VqEW039G96
K15W01R C2015 11 21.09876 01 01 55.57 +16 52 59.1 22.2 VqEW039G96
K15W01R KC2015 11 21.10039 01 01 55.88 +16 52 57.3 19.8 RoEW039291
K15W01R C2015 11 21.10520 01 01 56.67 +16 52 50.5 21.2 VqEW039G96
Observer details:
291 LPL/Spacewatch II. Observer A. F. Tubbiolo. Measurers M. T. Read,
A. F. Tubbiolo. 1.8-m f/2.7 reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
G36 Calar Alto-CASADO. Observers S. Hellmich, S. Mottola. 1.23-m f/8
reflector + CCD.
G96 Mt. Lemmon Survey. Observers R. G. Matheny, A. D. Grauer. Measurers
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, R. E. Hill,
J. A. Johnson, R. A. Kowalski, S. M. Larson, R. G. Matheny, F. C. Shelly.
1.5-m reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
Orbital elements:
2015 WR1 Earth MOID = 0.2170 AU
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5 MPC
M 14.91194 (2000.0) P Q
n 0.30291040 Peri. 169.07469 +0.58800736 -0.79794937
a 2.1958024 Node 244.77873 +0.73064238 +0.59419871
e 0.4515076 Incl. 8.41421 +0.34700009 +0.10101824
P 3.25 H 22.4 G 0.15 U 8
Residuals in seconds of arc
151119 G96 0.3- 0.2- 151119 G36 0.0 0.1- 151120 G96 0.9+ 0.5+
151119 G96 0.1- 0.6- 151119 G36 0.1+ 0.2- 151120 G96 0.6+ 0.0
151119 G96 0.4- 0.4+ 151119 G36 0.1+ 0.1- 151120 G96 0.3+ 0.9-
151119 G96 0.2- 0.0 151120 H01 0.4+ 0.0 151120 G96 1.3- 0.5-
151119 G96 0.1+ 0.3+ 151120 H01 0.5+ 0.0 151121 291 0.1- 0.0
151119 G96 0.1- 0.2- 151120 H01 0.6+ 0.0 151121 G96 0.9+ 0.7-
151119 G96 0.0 0.0 151120 H01 0.5+ 0.1+ 151121 291 0.2- 0.0
151119 G96 0.1- 0.0 151120 711 1.2- 1.5+ 151121 G96 0.0 0.0
151119 H01 0.2+ 0.0 151120 291 0.1+ 0.2- 151121 G96 0.2- 0.1-
151119 H01 0.1+ 0.2- 151120 711 0.5- 1.7+ 151121 291 0.1- 0.0
151119 H01 0.3+ 0.1- 151120 291 0.1+ 0.4- 151121 G96 0.1- 0.3-
151119 H01 0.3+ 0.2- 151120 711 0.6- 0.7+
151119 G36 0.1+ 0.1- 151120 291 0.2+ 0.3+
Ephemeris:
2015 WR1 a,e,i = 2.20, 0.45, 8 q = 1.2044
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 10 22 00 01 02.3 +26 53 24 0.2882 1.2550 150.9 22.7 21.3
...
2015 11 06 00 23 14.3 +22 30 09 0.2640 1.2204 146.5 26.6 21.1
...
2015 11 14 00 41 53.7 +19 33 50 0.2603 1.2097 143.9 28.8 21.2
...
2015 11 20 00 58 37.8 +17 17 45 0.2621 1.2054 141.9 30.4 21.2
2015 11 21 01 01 36.6 +16 55 22 0.2628 1.2050 141.6 30.6 21.2
2015 11 22 01 04 38.3 +16 33 10 0.2636 1.2047 141.2 30.9 21.2
...
2015 11 28 01 23 37.9 +14 25 14 0.2709 1.2049 139.2 32.3 21.3
...
2015 12 06 01 50 21.4 +11 56 07 0.2872 1.2102 136.6 34.1 21.5
...
2015 12 21 02 41 01.9 +08 50 14 0.3387 1.2354 131.7 36.5 22.0
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-W39
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