MPEC 2011-V01 : 2011 UG256
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M.P.E.C. 2011-V01 Issued 2011 Nov. 1, 00:13 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 UG256
Observations:
K11UP6G* C2011 10 31.16569 02 38 52.90 +22 14 23.8 19.7 VoEV001691
K11UP6G C2011 10 31.18347 02 38 52.44 +22 13 07.6 19.5 VoEV001691
K11UP6G C2011 10 31.20126 02 38 52.15 +22 11 51.9 19.5 VoEV001691
K11UP6G HC2011 10 31.25063 02 38 51.06 +22 08 20.6 oEV001291
K11UP6G HC2011 10 31.25249 02 38 51.02 +22 08 12.7 oEV001291
K11UP6G HC2011 10 31.25435 02 38 50.98 +22 08 04.7 oEV001291
K11UP6G KC2011 10 31.33253 02 38 48.67 +22 02 24.5 19.3 tEV001H21
K11UP6G KC2011 10 31.33646 02 38 48.59 +22 02 07.5 19.4 tEV001H21
K11UP6G KC2011 10 31.34060 02 38 48.51 +22 01 49.6 19.2 tEV001H21
K11UP6G HC2011 10 31.42426 02 38 47.07 +21 55 52.1 oEV001291
K11UP6G HC2011 10 31.42601 02 38 47.04 +21 55 44.9 oEV001291
K11UP6G HC2011 10 31.42775 02 38 46.98 +21 55 37.3 oEV001291
K11UP6G KC2011 10 31.76385 02 38 44.07 +21 31 25.9 18.7 RrEV001A17
K11UP6G IC2011 10 31.77180 02 38 43.86 +21 30 51.5 rEV001A17
K11UP6G KC2011 10 31.77896 02 38 43.76 +21 30 21.2 18.7 RrEV001A17
K11UP6G KC2011 10 31.84448802 38 42.54 +21 25 42.7 19.7 VvEV001B03
K11UP6G KC2011 10 31.85932402 38 42.21 +21 24 40.8 19.2 VvEV001B03
K11UP6G KC2011 10 31.87415902 38 41.92 +21 23 37.0 19.0 VvEV001B03
K11UP6G KC2011 10 31.88908402 38 41.65 +21 22 33.4 18.7 VvEV001B03
K11UP6G KC2011 10 31.96272 02 38 40.22 +21 17 17.3 19.2 VuEV001B86
K11UP6G KC2011 10 31.98055 02 38 39.84 +21 16 00.8 19.0 VuEV001B86
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer R. S. McMillan. 0.9-m f/3
reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
B03 Alter Satzberg, Vienna. Observer M. Pietschnig. 0.35-m f/5.8
Schmidt-Cassegrain + CCD.
B86 Sternwarte Hagen. Observers B. Gludau, M. Klein. 0.50-m f/3.0 Deltagraph
+ CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, S. Foglia, T. Vorobjov. 0.61-m f/4.0 astrograph + CCD.
Orbital elements:
2011 UG256 Earth MOID = 0.3596 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 357.01561 (2000.0) P Q
n 0.35192722 Peri. 133.04880 +0.94508078 +0.12180343
a 1.9868610 Node 222.76519 -0.14498042 +0.98790338
e 0.3574531 Incl. 26.53075 +0.29292148 +0.09597306
P 2.80 H 19.9 G 0.15 U 8
Residuals in seconds of arc
111031 691 0.4+ 0.0 111031 H21 0.1+ 0.2- 111031 A17 0.5- 0.1-
111031 691 1.0- 0.3- 111031 H21 0.2+ 0.2- 111031 B03 0.2+ 0.7-
111031 691 0.2+ 0.1+ 111031 291 0.1- 0.3- 111031 B03 0.3- 0.7+
111031 291 0.2+ 0.1+ 111031 291 0.0 0.1+ 111031 B03 0.1- 0.1+
111031 291 0.2+ 0.2+ 111031 291 0.3- 0.0 111031 B03 0.5+ 0.2+
111031 291 0.3+ 0.2+ 111031 A17 0.3+ 0.3+ 111031 B86 0.2+ 0.0
111031 H21 0.0 0.2- 111031 A17 0.8- 0.3- 111031 B86 0.2+ 0.2-
Ephemeris:
2011 UG256 a,e,i = 1.99, 0.36, 27 q = 1.2767
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 10 02 02 32 57.3 +51 58 27 0.4351 1.3008 125.1 39.0 20.2
...
2011 10 17 02 40 42.2 +38 51 33 0.3853 1.3329 145.7 24.9 19.6
...
2011 10 25 02 40 12.7 +29 40 53 0.3778 1.3547 159.4 15.0 19.3
...
2011 10 31 02 38 54.2 +22 26 28 0.3841 1.3730 170.2 7.1 19.0
2011 11 01 02 38 39.6 +21 14 52 0.3862 1.3762 172.0 5.8 19.0
2011 11 02 02 38 24.9 +20 03 55 0.3886 1.3794 173.8 4.5 18.9
...
2011 11 08 02 37 03.6 +13 19 01 0.4096 1.3996 175.6 3.1 19.0
...
2011 11 16 02 35 59.2 +05 41 02 0.4535 1.4286 162.8 11.8 19.7
...
2011 12 01 02 37 46.9 -03 40 12 0.5755 1.4880 143.3 23.3 20.7
(Last issue was M.P.E.C. 2011-U117)
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-V01
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