MPEC 2011-Y67 : 2011 YB40
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M.P.E.C. 2011-Y67 Issued 2011 Dec. 31, 16:51 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 YB40
Observations:
K11Y40B* C2011 12 28.38176 10 45 20.44 +40 04 34.4 19.1 VrEY067703
K11Y40B C2011 12 28.39007 10 45 20.77 +40 05 08.9 20.2 VrEY067703
K11Y40B C2011 12 28.39835 10 45 21.06 +40 05 39.3 20.3 VrEY067703
K11Y40B C2011 12 28.40664 10 45 21.45 +40 06 10.5 19.5 VrEY067703
K11Y40B C2011 12 28.44639 10 45 23.04 +40 08 37.2 19.6 VrEY067703
K11Y40B C2011 12 28.44720 10 45 23.11 +40 08 40.4 19.6 VrEY067703
K11Y40B C2011 12 28.44797 10 45 23.04 +40 08 43.2 19.6 VrEY067703
K11Y40B C2011 12 28.44875 10 45 22.96 +40 08 45.8 19.4 VrEY067703
K11Y40B KC2011 12 28.52264110 45 25.73 +40 13 15.7 19.4 RuEY067H36
K11Y40B KC2011 12 28.52696510 45 26.01 +40 13 30.8 19.4 RuEY067H36
K11Y40B mC2011 12 28.52961 10 45 26.39 +40 13 43.4 oEY067291
K11Y40B mC2011 12 28.53183 10 45 26.48 +40 13 51.6 oEY067291
K11Y40B mC2011 12 28.53408 10 45 26.56 +40 13 59.9 oEY067291
K11Y40B C2011 12 28.64213 10 45 33.06 +40 20 31.5 20.1 RoEY067300
K11Y40B C2011 12 28.64381 10 45 33.10 +40 20 37.7 19.8 RoEY067300
K11Y40B C2011 12 28.64548 10 45 33.14 +40 20 43.0 20.2 RoEY067300
K11Y40B C2011 12 28.64714 10 45 33.23 +40 20 49.9 20.0 RoEY067300
K11Y40B C2011 12 28.64880 10 45 33.30 +40 20 56.4 19.9 RoEY067300
K11Y40B C2011 12 28.65046 10 45 33.39 +40 21 02.0 20.3 RoEY067300
K11Y40B C2011 12 28.65212 10 45 33.42 +40 21 08.6 19.9 RoEY067300
K11Y40B KC2011 12 29.48205710 46 09.03 +41 11 32.0 19.7 RuEY067H36
K11Y40B KC2011 12 29.48951710 46 09.30 +41 11 59.6 19.2 RuEY067H36
K11Y40B KC2011 12 29.50442210 46 09.77 +41 12 52.5 20.2 RuEY067H36
K11Y40B KC2011 12 29.89530 10 46 27.34 +41 36 16.0 19.3 RoEY067C32
K11Y40B KC2011 12 29.89835 10 46 27.49 +41 36 26.3 19.2 RoEY067C32
K11Y40B KC2011 12 29.90121 10 46 27.59 +41 36 37.3 19.2 RoEY067C32
K11Y40B KC2011 12 29.90418 10 46 27.75 +41 36 48.2 19.4 RoEY067C32
K11Y40B HC2011 12 30.53986 10 46 51.08 +42 14 44.3 oEY067291
K11Y40B HC2011 12 30.54115 10 46 51.08 +42 14 49.0 oEY067291
K11Y40B HC2011 12 30.54246 10 46 51.13 +42 14 53.6 oEY067291
K11Y40B KC2011 12 31.07947 10 47 11.16 +42 46 26.4 19.5 VuEY067595
K11Y40B KC2011 12 31.09706 10 47 11.76 +42 47 28.3 uEY067595
Observer details:
291 LPL/Spacewatch II. Observers R. S. McMillan, J. V. Scotti. 1.8-m f/2.7
reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers T. Sakamoto, N. Hashimoto.
1.0-m f/3.0 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + CCD.
703 Catalina Sky Survey. Observer A. Boattini. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
0.68-m Schmidt + CCD.
C32 Ka-Dar Observatory, TAU Station, Nizhny Arkhyz. Observer V. Gerke.
Measurers D. Chestnov, A. Novichonok. 0.40-m f/8 Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2011 YB40 Earth MOID = 0.1652 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 33.84903 (2000.0) P Q
n 0.23576871 Peri. 314.88415 +0.55052041 -0.63937639
a 2.5950473 Node 93.69997 +0.83305918 +0.46250380
e 0.5981056 Incl. 32.54039 -0.05421888 +0.61423779
P 4.18 H 19.2 G 0.15 U 8
Residuals in seconds of arc
111228 703 (0.0 3.4-) 111228 291 0.5+ 0.2+ 111229 H36 0.5- 0.4-
111228 703 0.2- 0.2+ 111228 291 0.4+ 0.2+ 111229 C32 0.5- 0.2-
111228 703 0.8- 0.2- 111228 300 0.7+ 0.4+ 111229 C32 0.1- 0.9-
111228 703 0.2- 0.3+ 111228 300 0.3+ 0.3+ 111229 C32 0.1- 0.3-
111228 703 0.2- 0.1- 111228 300 0.0 0.6- 111229 C32 0.5+ 0.2-
111228 703 0.2+ 0.1+ 111228 300 0.2+ 0.2+ 111230 291 0.4+ 0.0
111228 703 1.0- 0.1+ 111228 300 0.2+ 0.5+ 111230 291 0.1- 0.1+
111228 703 2.2- 0.2- 111228 300 0.4+ 0.1- 111230 291 0.1+ 0.1+
111228 H36 0.8- 0.7+ 111228 300 0.0 0.4+ 111231 595 0.8- 0.1-
111228 H36 0.4+ 0.0 111229 H36 0.1+ 0.5- 111231 595 0.3+ 0.3-
111228 291 0.4+ 0.1+ 111229 H36 0.2+ 0.3+
Ephemeris:
2011 YB40 a,e,i = 2.60, 0.60, 33 q = 1.0429
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 12 01 10 00 49.8 +09 14 23 0.4725 1.1597 99.2 57.1 20.0
...
2011 12 16 10 30 03.2 +26 27 38 0.4758 1.2508 113.2 46.3 19.8
...
2011 12 24 10 41 06.5 +35 27 09 0.4954 1.3057 120.3 40.6 19.9
...
2011 12 30 10 46 30.6 +41 42 34 0.5188 1.3489 124.9 36.7 19.9
2011 12 31 10 47 08.1 +42 41 46 0.5234 1.3562 125.5 36.2 19.9
2012 01 01 10 47 40.5 +43 39 53 0.5282 1.3636 126.2 35.6 19.9
...
2012 01 07 10 49 03.8 +49 04 05 0.5613 1.4086 129.5 32.6 20.1
...
2012 01 15 10 45 34.8 +55 04 29 0.6159 1.4701 132.2 29.7 20.3
...
2012 01 30 10 22 52.9 +62 23 50 0.7469 1.5881 132.5 27.2 20.8
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-Y67
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