MPEC 2011-U111: 2011 UW255
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M.P.E.C. 2011-U111 Issued 2011 Oct. 31, 16:46 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
2011 UW255
Observations:
K11UP5W* C2011 10 30.16049 23 58 05.95 +07 56 25.9 20.7 VrEU111G96
K11UP5W C2011 10 30.16669 23 58 10.12 +07 56 01.5 19.9 VrEU111G96
K11UP5W C2011 10 30.17304 23 58 14.41 +07 55 35.4 20.0 VrEU111G96
K11UP5W C2011 10 30.17933 23 58 18.58 +07 55 10.2 19.6 VrEU111G96
K11UP5W C2011 10 30.25027 23 59 05.74 +07 50 26.3 20.2 VrEU111G96
K11UP5W C2011 10 30.25083 23 59 06.10 +07 50 24.1 19.9 VrEU111G96
K11UP5W C2011 10 30.25141 23 59 06.46 +07 50 21.8 20.1 VrEU111G96
K11UP5W C2011 10 30.25199 23 59 06.86 +07 50 19.4 19.9 VrEU111G96
K11UP5W HC2011 10 30.30021 23 59 38.78 +07 47 08.6 oEU111291
K11UP5W HC2011 10 30.30207 23 59 39.99 +07 47 01.2 oEU111291
K11UP5W HC2011 10 30.30393 23 59 41.22 +07 46 53.8 oEU111291
K11UP5W KC2011 10 30.70392 00 04 11.35 +07 21 14.1 19.7 RuEU111B18
K11UP5W KC2011 10 30.70532 00 04 12.20 +07 21 09.7 19.6 RuEU111B18
K11UP5W KC2011 10 30.91689 00 06 23.47 +07 08 14.7 20.8 VuEU111I93
K11UP5W KC2011 10 30.92216 00 06 26.62 +07 07 55.8 20.2 VuEU111I93
K11UP5W KC2011 10 30.92716 00 06 29.63 +07 07 37.6 20.2 VuEU111I93
K11UP5W HC2011 10 31.08537 00 08 10.48 +06 58 31.8 oEU111291
K11UP5W HC2011 10 31.08711 00 08 11.49 +06 58 26.1 oEU111291
K11UP5W HC2011 10 31.08884 00 08 12.52 +06 58 20.2 oEU111291
K11UP5W KC2011 10 31.15541800 08 49.51 +06 54 22.6 19.5 RuEU111H36
K11UP5W KC2011 10 31.15977300 08 52.07 +06 54 06.8 19.7 RuEU111H36
K11UP5W KC2011 10 31.16411900 08 54.54 +06 53 52.6 19.5 RuEU111H36
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
B18 Terskol. Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov,
N. Karpov. Measurer M. Andreev. 0.6-m f/12.8 Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector
+ CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
Orbital elements:
2011 UW255 Earth MOID = 0.0044 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 359.06475 (2000.0) P Q
n 0.59986693 Peri. 83.27814 +0.50000735 +0.85983938
a 1.3924067 Node 217.30664 -0.84656146 +0.46014136
e 0.4942798 Incl. 9.81243 -0.18255504 +0.22123779
P 1.64 H 23.5 G 0.15 U 8
Residuals in seconds of arc
111030 G96 0.6- 0.0 111030 291 0.1+ 0.0 111031 291 0.0 0.3-
111030 G96 0.4- 0.4+ 111030 291 0.1- 0.0 111031 291 0.1- 0.0
111030 G96 0.2+ 0.2- 111030 291 0.1- 0.0 111031 291 0.2+ 0.1+
111030 G96 0.3- 0.2- 111030 B18 0.1+ 1.7+ 111031 H36 1.3- 0.3+
111030 G96 0.2+ 0.5- 111030 B18 0.2- 2.5+ 111031 H36 0.2- 0.5-
111030 G96 0.0 0.5- 111030 I93 0.5- 0.9- 111031 H36 0.4- 0.3+
111030 G96 0.3- 0.5- 111030 I93 0.3- 0.8-
111030 G96 0.1- 0.6- 111030 I93 0.1+ 1.1-
Ephemeris:
2011 UW255 a,e,i = 1.39, 0.49, 10 q = 0.7042
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 10 01 14 46 51.8 +09 25 13 0.2088 0.8440 37.0 134.5 25.9
...
2011 10 16 16 52 57.6 +19 18 49 0.07590 0.9602 59.0 117.1 22.4
...
2011 10 24 21 46 01.6 +18 33 18 0.05886 1.0260 120.5 56.7 19.5
...
2011 10 30 23 56 10.1 +08 08 00 0.09826 1.0757 145.5 31.5 20.0
2011 10 31 00 07 14.8 +07 04 12 0.1067 1.0840 147.0 29.9 20.1
2011 11 01 00 16 43.1 +06 09 23 0.1153 1.0922 148.0 28.8 20.3
...
2011 11 07 00 53 15.0 +02 44 56 0.1713 1.1416 149.2 26.4 21.2
...
2011 11 15 01 17 49.6 +00 57 56 0.2528 1.2064 145.6 27.6 22.2
...
2011 11 30 01 43 14.7 +00 37 59 0.4221 1.3233 136.1 31.1 23.6
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-U111
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