MPEC 2011-U25 : 2011 UH20
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M.P.E.C. 2011-U25 Issued 2011 Oct. 20, 17:36 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 UH20
Observations:
K11U20H* C2011 10 18.15098 23 05 32.23 -26 15 22.6 18.9 cEU025704
K11U20H C2011 10 18.16291 23 05 29.58 -26 13 08.1 19.3 cEU025704
K11U20H C2011 10 18.17486 23 05 27.08 -26 10 53.9 19.5 cEU025704
K11U20H C2011 10 18.19899 23 05 21.94 -26 06 23.0 18.9 cEU025704
K11U20H KC2011 10 19.17935723 02 20.60 -23 07 23.5 19.3 RuEU025H36
K11U20H KC2011 10 19.18810523 02 19.00 -23 05 50.5 19.1 RuEU025H36
K11U20H KC2011 10 19.19247923 02 18.25 -23 05 02.8 18.7 RuEU025H36
K11U20H |C2011 10 19.20485 23 02 14.91 -23 02 06.5 19.6 VoEU025807
K11U20H |C2011 10 19.20835 23 02 14.27 -23 01 29.3 19.6 VoEU025807
K11U20H |C2011 10 19.21339 23 02 13.34 -23 00 35.2 19.7 VoEU025807
K11U20H KC2011 10 19.66220223 00 57.76 -21 41 54.5 19.1 RoEU025E10
K11U20H KC2011 10 19.66384623 00 57.48 -21 41 37.2 19.0 RoEU025E10
K11U20H KC2011 10 19.66547823 00 57.21 -21 41 20.1 19.2 RoEU025E10
K11U20H KC2011 10 19.66718823 00 56.93 -21 41 02.3 19.0 RoEU025E10
K11U20H KC2011 10 20.17409622 59 39.32 -20 15 34.8 19.5 RuEU025H36
K11U20H KC2011 10 20.18467522 59 37.58 -20 13 47.3 19.2 RuEU025H36
K11U20H KC2011 10 20.18994522 59 36.63 -20 12 54.5 19.4 RuEU025H36
Observer details:
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall. 1.0-m
f/2.15 reflector + CCD.
807 Cerro Tololo. Observers R. Holmes, T. Linder, V. Hoette. Measurers
R. Holmes, T. Linder. 0.41-m f/11 Ritchey-Chretien + CCD.
E10 Siding Spring-Faulkes Telescope South. Observer T. Lister. 2.0-m f/10
Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2011 UH20 PHA, Earth MOID = 0.0084 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 21.05229 (2000.0) P Q
n 0.72435876 Peri. 256.87210 +0.08113482 +0.97311973
a 1.2279110 Node 21.68026 -0.52530986 +0.22552494
e 0.3350353 Incl. 35.69215 -0.84703405 -0.04665288
P 1.36 H 20.8 G 0.15 U 8
Residuals in seconds of arc
111018 704 0.7+ 0.1+ 111019 H36 0.2+ 0.6+ 111019 E10 0.3- 0.0
111018 704 0.6- 0.4+ 111019 807 0.3+ 0.0 111019 E10 0.3- 0.1-
111018 704 0.2+ 0.1+ 111019 807 0.3+ 0.3- 111020 H36 0.8+ 0.4-
111018 704 0.5+ 0.5- 111019 807 0.2+ 0.1- 111020 H36 0.9+ 0.5+
111019 H36 1.3- 0.0 111019 E10 0.3- 0.2- 111020 H36 0.2- 0.2+
111019 H36 0.8- 0.4- 111019 E10 0.4- 0.1-
Ephemeris:
2011 UH20 a,e,i = 1.23, 0.34, 36 q = 0.8165
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 09 20 08 12 00.3 -66 29 01 0.3086 0.9859 77.7 84.5 21.2
...
2011 10 05 01 29 00.9 -70 33 27 0.1970 1.0670 104.6 65.1 19.7
...
2011 10 13 23 30 17.7 -44 07 25 0.1850 1.1111 123.6 48.4 19.2
...
2011 10 19 23 02 52.7 -23 38 57 0.2106 1.1440 130.4 41.5 19.3
2011 10 20 23 00 06.6 -20 44 29 0.2173 1.1495 130.7 41.1 19.4
2011 10 21 22 57 40.7 -18 00 05 0.2246 1.1549 130.8 40.8 19.5
...
2011 10 27 22 48 16.0 -04 50 31 0.2781 1.1873 128.5 40.9 20.0
...
2011 11 04 22 44 13.0 +06 12 12 0.3659 1.2296 122.9 42.7 20.7
...
2011 11 19 22 49 23.2 +17 10 04 0.5527 1.3047 112.6 44.4 21.8
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-U25
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