MPEC 2016-V115: 2003 WU21
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M.P.E.C. 2016-V115 Issued 2016 Nov. 12, 14:48 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
2003 WU21
Revision to MPEC 2003-W32
Additional Observations:
K03W21U C2016 11 11.45793 05 14 01.35 +10 05 31.8 19.1 VqEV115G96
K03W21U C2016 11 11.46219 05 14 00.21 +10 05 47.2 19.1 VqEV115G96
K03W21U C2016 11 11.46654 05 13 59.07 +10 06 02.8 19.2 VqEV115G96
K03W21U C2016 11 11.47082 05 13 57.94 +10 06 18.6 19.1 VqEV115G96
K03W21U C2016 11 11.48938 05 13 53.08 +10 07 25.6 19.4 VqEV115G96
K03W21U C2016 11 11.49142 05 13 52.56 +10 07 33.0 19.4 VqEV115G96
K03W21U C2016 11 11.49294 05 13 52.15 +10 07 38.7 19.5 VqEV115G96
K03W21U C2016 11 11.49432 05 13 51.79 +10 07 43.7 19.5 VqEV115G96
K03W21U KC2016 11 11.53432 05 13 41.36 +10 10 09.6 19.4 RoEV115291
K03W21U KC2016 11 11.53519 05 13 41.14 +10 10 12.7 19.4 RoEV115291
K03W21U KC2016 11 11.53607 05 13 40.90 +10 10 15.9 19.4 RoEV115291
K03W21U KC2016 11 12.47141 05 09 31.66 +11 10 55.1 20.4 RoEV115291
K03W21U KC2016 11 12.47314 05 09 31.14 +11 11 02.1 20.3 RoEV115291
K03W21U KC2016 11 12.47490 05 09 30.61 +11 11 09.3 20.3 RoEV115291
Observer details:
291 LPL/Spacewatch II. Observers T. H. Bressi, R. A. Mastaler. 1.8-m f/2.7
reflector + CCD.
G96 Mt. Lemmon Survey. Observer R. G. Matheny. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
161111 G96 0.73- 0.39- 161112 291 0.77- 0.42- MPO 58049 +0.19 day
Orbital elements:
2003 WU21 Earth MOID = 0.0690 AU
Epoch 2016 July 31.0 TT = JDT 2457600.5 MPC
M 149.72089 (2000.0) P Q
n 1.13711545 Peri. 140.66875 -0.88461449 +0.23301571
a 0.9090749 Node 57.55033 -0.44559727 -0.67775360
e 0.5449720 Incl. 28.59856 +0.13747830 -0.69739066
P 0.87 H 21.9 G 0.15 U 4
Residuals in seconds of arc
031120 704 0.4+ 0.2- 031121 704 0.1+ 0.2- 031125 213 0.2+ 0.5-
031120 704 0.1+ 0.2+ 031121 704 0.3+ 0.3+ 031125 213 0.0 0.4-
031120 704 0.0 0.0 031121 704 0.5- 0.2- 031125 213 0.3- 0.4-
031121 673 (1.6+ 1.2-) 031121 704 0.1+ 0.1- 031126 J95 0.1- 0.3+
031121 673 0.9+ 0.8- 031121 704 0.2- 0.2- 031126 J95 0.3- 0.1-
031121 673 0.1- 0.4- 031121 448 0.1+ 0.1- 031126 J95 0.2- 0.0
031121 673 0.6+ 0.0 031121 448 0.0 0.2- 031127 J95 0.0 0.2-
031121 673 1.1+ 0.1+ 031121 704 0.7+ 1.2+ 031127 J95 0.4+ 0.4+
031121 673 0.5+ 0.4+ 031121 704 0.3+ 0.6- 031127 J95 0.0 0.0
031121 854 0.1+ 0.3- 031121 448 0.0 0.2- 031128 176 0.3+ 0.3+
031121 854 (1.7+ 0.9-) 031121 691 0.8+ 1.1- 031128 176 0.3+ 0.3+
031121 854 0.1- 0.4- 031121 691 0.4+ 0.9- 031128 176 0.2+ 0.4+
031121 704 0.4+ 0.1+ 031121 691 0.4+ 0.2- 031128 176 0.3+ 0.5+
031121 704 0.1- 0.6+ 031122 704 0.5+ 0.1+ 031128 176 0.3+ 0.6+
031121 704 0.2- 0.2+ 031122 704 1.4- 1.0+ 161111 G96 0.3+ 0.1+
031121 704 0.5+ 0.0 031122 704 0.3- 0.4+ 161111 G96 0.0 0.1+
031121 704 0.1- 0.7+ 031122 704 0.3- 0.0 161111 G96 0.0 0.1-
031121 704 0.0 0.2- 031122 704 0.2- 0.0 161111 G96 0.1- 0.2+
031121 704 0.2+ 0.3+ 031123 670 0.1- 0.1+ 161111 G96 0.0 0.2-
031121 704 0.0 0.7+ 031123 670 0.3- 0.6- 161111 G96 0.2+ 0.2-
031121 704 0.2+ 0.0 031123 670 0.6- 0.1- 161111 G96 0.0 0.0
031121 704 0.2+ 0.1- 031124 704 (1.8+ 3.4+) 161111 G96 0.1+ 0.0
031121 704 0.3- 0.1- 031124 704 0.0 0.2+ 161111 291 0.1+ 0.1+
031121 704 0.0 0.5+ 031124 704 0.1- 0.1- 161111 291 0.1+ 0.0
031121 704 0.1+ 0.1- 031124 704 0.3- 0.0 161111 291 0.0 0.0
031121 704 0.1- 0.1- 031124 J95 0.8- 0.0 161112 291 0.4- 0.5+
031121 704 0.2- 1.3- 031124 J95 0.1- 0.3+ 161112 291 0.4- 0.5+
031121 704 0.1- 0.2+ 031124 J95 0.0 0.3- 161112 291 0.4- 0.5+
Ephemeris:
2003 WU21 a,e,i = 0.91, 0.54, 29 q = 0.4137
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 10 13 05 38 57.0 +00 34 36 0.5424 1.3116 113.4 44.3 22.9
...
2016 10 28 05 40 12.8 +02 37 03 0.3574 1.2419 127.0 39.7 21.7
...
2016 11 05 05 31 53.9 +05 26 07 0.2619 1.1962 136.9 34.5 20.8
...
2016 11 11 05 15 52.5 +09 38 43 0.1938 1.1580 147.4 27.4 19.9
2016 11 12 05 11 43.4 +10 39 47 0.1829 1.1512 149.6 25.8 19.7
2016 11 13 05 06 57.0 +11 48 33 0.1723 1.1444 151.9 24.0 19.5
...
2016 11 19 04 15 54.3 +22 42 00 0.1145 1.1014 170.6 8.4 18.0
...
2016 11 27 00 19 24.2 +44 10 42 0.08177 1.0382 127.2 49.2 18.4
...
2016 12 12 19 47 05.0 +24 03 25 0.1949 0.9015 59.5 109.7 22.3
A. U. Tomatic (C) Copyright 2016 MPC M.P.E.C. 2016-V115
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