MPEC 2015-U32 : 2014 WT202
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M.P.E.C. 2015-U32 Issued 2015 Oct. 21, 10:39 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
2014 WT202
Revision to MPEC 2014-W109
Additional Observations:
K14WK2T 2C2015 10 13.64100907 55 21.195+06 07 19.85 21.7 RtEU032568
K14WK2T 2C2015 10 13.64176907 55 21.343+06 07 21.35 21.0 RtEU032568
K14WK2T 2C2015 10 13.64250607 55 21.496+06 07 22.97 21.1 RtEU032568
K14WK2T 2C2015 10 20.58895508 20 07.031+10 14 53.81 22.0 RtEU032568
K14WK2T 2C2015 10 20.59031108 20 07.328+10 14 56.87 22.0 RtEU032568
K14WK2T 2C2015 10 20.59161208 20 07.613+10 14 59.81 21.9 RtEU032568
Observer details:
568 Mauna Kea. Observers D. J. Tholen, C. Trujillo, D. Woodworth. Measurer
D. J. Tholen. 8.2-m reflector + CCD, 3.6-m CFHT + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
151013 568 0.20- 0.40- 151020 568 0.23- 0.35- MPO318908 +0.55 day
Orbital elements:
2014 WT202 PHA, Earth MOID = 0.0378 AU
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5 MPC
M 250.75172 (2000.0) P Q
n 1.03866608 Peri. 185.64375 -0.43782344 +0.83241053
a 0.9656478 Node 58.83110 -0.80856317 -0.19934900
e 0.0631040 Incl. 23.39219 -0.39311098 -0.51706159
P 0.95 H 21.1 G 0.15 U 3
Residuals in seconds of arc
141123 703 0.2- 0.1- 141123 970 0.1+ 0.1- 141125 C23 0.1- 0.3-
141123 703 0.1- 0.0 141123 970 0.4+ 0.3- 141125 C23 0.1- 0.3-
141123 703 0.1- 0.3- 141123 970 0.0 0.3- 141125 C23 0.6- 0.3+
141123 703 0.0 0.0 141124 J69 0.0 0.8+ 141126 G48 0.1+ 1.2-
141123 703 0.2- 0.3- 141124 J69 0.1- 0.8+ 141126 G48 0.1+ 0.9-
141123 703 0.4- 0.3- 141124 J69 0.0 0.9+ 141126 G48 0.4- 0.2-
141123 703 0.1- 0.1+ 141124 J69 0.2- 0.9+ 141126 G48 0.1+ 1.0-
141123 703 0.3+ 0.3+ 141124 104 0.3- 0.0 141126 G48 0.3+ 1.2-
141123 703 0.1+ 0.3- 141124 104 0.1- 0.3+ 141126 G48 0.2+ 1.2-
141123 703 0.1+ 0.2+ 141124 104 0.0 0.5+ 141126 G48 0.2- 1.3-
141123 703 0.2- 0.4+ 141124 703 0.1- 0.0 141126 G48 0.7+ 0.8-
141123 703 0.3- 0.3- 141124 703 0.1- 0.2+ 141126 G48 0.0 1.2-
141123 900 0.3- 0.1- 141124 703 0.2- 0.4+ 141126 G48 0.1- 1.3-
141123 900 0.1+ 0.1+ 141124 L04 0.0 0.5+ 141126 G48 0.5+ 1.0-
141123 900 0.1- 0.0 141124 L04 0.0 0.7+ 141126 718 0.0 0.9+
141123 300 0.3+ 0.1+ 141124 L04 0.0 0.4+ 141126 718 0.3+ 0.8+
141123 300 0.0 0.0 141124 L04 0.1+ 0.4+ 141126 718 (0.6+ 2.1+)
141123 300 0.1- 0.1+ 141125 C23 0.4+ 1.0+ 141126 718 0.4- 0.7+
141123 300 0.1+ 0.1- 141125 C23 0.1- 0.3+ 141126 718 0.1- 0.9+
141123 300 0.1- 0.2+ 141125 C23 0.4- 0.0 141128 H06 (0.5+ 1.9+)
141123 300 0.1+ 0.1+ 141125 C23 0.0 0.7+ 141128 H06 0.7+ 0.5+
141123 J95 0.2- 0.2- 141125 C23 0.1- 0.6+ 141128 H06 0.6+ 0.9+
141123 J95 0.1+ 0.5- 141125 C23 0.3+ 0.3+ 151013 568 0.0 0.0
141123 J95 0.1- 0.1- 141125 C23 0.1- 0.5+ 151013 568 0.0 0.1-
141123 J16 0.3+ 0.0 141125 C23 0.1- 0.3+ 151013 568 0.1+ 0.1+
141123 J16 0.0 0.0 141125 C23 0.0 0.0 151020 568 0.0 0.0
141123 J16 0.6+ 0.1- 141125 C23 0.2- 0.5+ 151020 568 0.0 0.0
141123 J16 0.1+ 0.1- 141125 C23 0.5+ 0.1+ 151020 568 0.0 0.0
Ephemeris:
2014 WT202 a,e,i = 0.97, 0.06, 23 q = 0.9047
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 09 21 06 49 08.1 -04 49 18 0.5183 1.0087 75.6 74.6 22.3
...
2015 10 06 07 30 52.4 +02 01 52 0.4696 1.0183 78.7 74.4 22.1
...
2015 10 14 07 56 33.5 +06 19 36 0.4414 1.0220 80.5 74.3 22.0
...
2015 10 20 08 17 53.7 +09 53 03 0.4208 1.0241 81.7 74.3 21.9
2015 10 21 08 21 39.1 +10 30 19 0.4175 1.0244 82.0 74.2 21.9
2015 10 22 08 25 28.2 +11 08 03 0.4142 1.0246 82.2 74.2 21.8
...
2015 10 28 08 49 47.6 +15 03 37 0.3956 1.0259 83.3 74.2 21.7
...
2015 11 05 09 26 28.2 +20 35 59 0.3750 1.0266 84.6 74.1 21.6
...
2015 11 20 10 49 47.0 +30 45 15 0.3547 1.0248 85.7 74.1 21.5
Gareth V. Williams (C) Copyright 2015 MPC M.P.E.C. 2015-U32
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