MPEC 2011-Y71 : 2011 YH40
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M.P.E.C. 2011-Y71 Issued 2011 Dec. 31, 17:21 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 YH40
Observations:
K11Y40H* C2011 12 29.41700 07 07 54.76 +61 26 37.8 19.2 VrEY071703
K11Y40H C2011 12 29.42150 07 07 55.09 +61 26 32.9 18.8 VrEY071703
K11Y40H C2011 12 29.42604 07 07 55.52 +61 26 29.3 19.0 VrEY071703
K11Y40H C2011 12 29.43054 07 07 55.74 +61 26 24.1 18.9 VrEY071703
K11Y40H HC2011 12 29.45839 07 07 57.89 +61 25 56.4 oEY071291
K11Y40H HC2011 12 29.46201 07 07 58.16 +61 25 52.5 oEY071291
K11Y40H HC2011 12 29.46561 07 07 58.44 +61 25 48.6 oEY071291
K11Y40H C2011 12 29.46769 07 07 58.48 +61 25 46.1 18.9 VrEY071703
K11Y40H C2011 12 29.46902 07 07 58.62 +61 25 44.4 19.1 VrEY071703
K11Y40H C2011 12 29.47037 07 07 58.80 +61 25 43.1 18.9 VrEY071703
K11Y40H C2011 12 29.47176 07 07 58.80 +61 25 40.0 19.3 VrEY071703
K11Y40H KC2011 12 29.83727 07 09 00.63 +61 20 19.3 tEY071204
K11Y40H KC2011 12 29.84863 07 09 01.77 +61 20 13.0 tEY071204
K11Y40H KC2011 12 29.86026 07 09 02.89 +61 20 06.2 18.6 RtEY071204
K11Y40H KC2011 12 29.98844 07 09 14.68 +61 18 25.4 uEY071J95
K11Y40H KC2011 12 29.99069 07 09 14.89 +61 18 23.5 uEY071J95
K11Y40H KC2011 12 29.99291 07 09 15.05 +61 18 21.9 18.6 RuEY071J95
K11Y40H C2011 12 30.16994 07 09 45.52 +61 15 42.9 18.8 VoEY071G48
K11Y40H C2011 12 30.17250 07 09 45.81 +61 15 41.6 18.7 VoEY071G48
K11Y40H C2011 12 30.17502 07 09 45.96 +61 15 39.7 19.2 VoEY071G48
K11Y40H KC2011 12 31.05189 07 11 33.47 +61 01 04.9 18.7 VuEY071595
K11Y40H KC2011 12 31.05871 07 11 34.15 +61 00 56.2 19.0 VuEY071595
K11Y40H C2011 12 31.42793 07 12 25.16 +60 54 10.1 18.6 VrEY071703
K11Y40H C2011 12 31.43115 07 12 25.23 +60 54 05.9 18.6 VrEY071703
K11Y40H C2011 12 31.43436 07 12 25.59 +60 54 01.1 18.9 VrEY071703
K11Y40H C2011 12 31.43757 07 12 25.84 +60 53 56.1 18.7 VrEY071703
K11Y40H C2011 12 31.53722 07 12 54.86 +60 51 52.3 18.2 VuEY071900
K11Y40H C2011 12 31.54257 07 12 55.30 +60 51 47.4 18.6 VuEY071900
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + CCD.
703 Catalina Sky Survey. Observers A. Boattini, R. E. Hill. 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.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
G48 Doc Greiner Research Obs., Rancho Hildalgo. Observer M. Mills. 0.4-m
f/10 Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2011 YH40 Earth MOID = 0.0124 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 14.84328 (2000.0) P Q
n 0.59649834 Peri. 220.79218 -0.89539502 -0.40770310
a 1.3976440 Node 294.30098 +0.44224107 -0.76743103
e 0.3276311 Incl. 11.32752 +0.05187100 -0.49480077
P 1.65 H 22.4 G 0.15 U 7
Residuals in seconds of arc
111229 703 0.3- 0.1+ 111229 703 0.4- 0.7- 111231 595 0.6- 0.0
111229 703 0.1- 0.4- 111229 204 0.1- 0.0 111231 595 0.0 0.1-
111229 703 0.7+ 0.5+ 111229 204 0.0 0.0 111231 703 1.0+ 0.1-
111229 703 0.0 0.1- 111229 204 0.1+ 0.1- 111231 703 0.6- 0.4+
111229 291 0.1+ 0.0 111229 J95 0.1- 0.1- 111231 703 0.0 0.3+
111229 291 0.1+ 0.0 111229 J95 0.1+ 0.2- 111231 703 0.3- 0.0
111229 291 0.0 0.1- 111229 J95 0.1- 0.0 111231 900 0.5+ 0.0
111229 703 0.4- 0.9+ 111230 G48 0.1- 0.1+ 111231 900 0.1+ 0.0
111229 703 0.1- 0.7+ 111230 G48 0.2+ 0.2+
111229 703 0.4+ 0.9+ 111230 G48 0.4- 0.3-
Ephemeris:
2011 YH40 a,e,i = 1.40, 0.33, 11 q = 0.9397
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 12 01 06 28 37.6 +59 00 51 0.2701 1.1973 136.7 34.4 21.4
...
2011 12 16 06 47 51.2 +61 37 46 0.1759 1.1238 139.5 34.7 20.3
...
2011 12 24 06 58 34.0 +62 02 01 0.1297 1.0867 140.4 35.2 19.6
...
2011 12 30 07 09 14.0 +61 18 02 0.09642 1.0605 141.4 35.3 18.9
2011 12 31 07 11 29.7 +61 01 42 0.09098 1.0562 141.7 35.3 18.8
2012 01 01 07 13 57.6 +60 41 40 0.08557 1.0521 142.0 35.1 18.6
...
2012 01 07 07 35 18.8 +56 28 28 0.05375 1.0281 145.7 32.6 17.5
...
2012 01 15 08 48 55.6 +18 05 07 0.01666 0.9996 164.3 15.4 14.4
...
2012 01 30 16 20 11.2 -75 04 31 0.07052 0.9594 66.8 109.3 20.7
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-Y71
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