MPEC 2011-Y04 : 2011 XA3
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M.P.E.C. 2011-Y04 Issued 2011 Dec. 17, 14:11 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 XA3
Observations:
K11X03A* C2011 12 15.54037 08 10 50.955+46 14 31.87 18.6 rLEY004F51
K11X03A C2011 12 15.55181 08 10 49.890+46 15 50.97 18.4 rLEY004F51
K11X03A C2011 12 15.56437 08 10 48.701+46 17 17.77 18.0 iLEY004F51
K11X03A C2011 12 15.57690 08 10 47.496+46 18 44.84 18.0 iLEY004F51
K11X03A C2011 12 16.33655608 09 51.37 +47 56 18.5 17.0 RuEY004H36
K11X03A C2011 12 16.33733608 09 51.29 +47 56 25.1 17.2 RuEY004H36
K11X03A C2011 12 16.33812108 09 51.19 +47 56 32.1 16.9 RuEY004H36
K11X03A C2011 12 16.33889908 09 51.10 +47 56 38.6 16.8 RuEY004H36
K11X03A C2011 12 16.33967908 09 51.00 +47 56 45.1 16.8 RuEY004H36
K11X03A 7C2011 12 16.63433 08 09 18.02 +48 40 48.7 tEY004F65
K11X03A 7C2011 12 16.63507 08 09 17.93 +48 40 55.3 tEY004F65
K11X03A 7C2011 12 16.63592 08 09 17.81 +48 41 03.5 tEY004F65
K11X03A 7C2011 12 16.63668 08 09 17.70 +48 41 10.5 17.4 RtEY004F65
K11X03A 7C2011 12 16.63767 08 09 17.58 +48 41 19.2 tEY004F65
K11X03A 7C2011 12 16.63848 08 09 17.47 +48 41 26.5 tEY004F65
K11X03A C2011 12 16.63860 08 09 23.99 +48 41 15.9 16.9 RoEY004300
K11X03A C2011 12 16.64856 08 09 22.67 +48 42 50.3 17.0 RoEY004300
K11X03A C2011 12 16.65188 08 09 22.25 +48 43 20.8 16.8 RoEY004300
K11X03A C2011 12 16.65354 08 09 22.02 +48 43 37.2 16.8 RoEY004300
K11X03A C2011 12 17.01147 08 08 37.72 +49 42 30.6 17.3 RvEY004B18
K11X03A C2011 12 17.01358 08 08 37.40 +49 42 52.1 17.3 RvEY004B18
K11X03A KC2011 12 17.01659 08 08 40.26 +49 43 09.7 uEY004J95
K11X03A C2011 12 17.01777 08 08 36.72 +49 43 36.0 16.8 RvEY004B18
K11X03A KC2011 12 17.01787 08 08 40.07 +49 43 23.2 uEY004J95
K11X03A KC2011 12 17.01915 08 08 39.87 +49 43 36.7 16.7 RuEY004J95
K11X03A C2011 12 17.02128 08 08 36.19 +49 44 13.0 16.8 RvEY004B18
K11X03A KC2011 12 17.24470008 08 11.16 +50 24 30.9 17.8 VtEY004H21
K11X03A KC2011 12 17.24673108 08 10.81 +50 24 54.1 17.9 VtEY004H21
K11X03A KC2011 12 17.24700 08 08 03.89 +50 24 37.9 uEY004J95
K11X03A KC2011 12 17.24901008 08 10.44 +50 25 20.0 17.4 VtEY004H21
K11X03A KC2011 12 17.25010 08 08 03.39 +50 25 12.1 uEY004J95
K11X03A KC2011 12 17.25105408 08 10.09 +50 25 43.2 17.9 VtEY004H21
K11X03A KC2011 12 17.25322 08 08 02.89 +50 25 46.7 17.3 RuEY004J95
K11X03A C2011 12 17.34033 08 07 56.57 +50 42 44.3 16.9 rEY004718
K11X03A C2011 12 17.34700 08 07 55.40 +50 44 02.1 17.2 rEY004718
K11X03A C2011 12 17.35395 08 07 54.17 +50 45 22.8 16.9 rEY004718
K11X03A C2011 12 17.36096 08 07 52.85 +50 46 45.0 17.3 rEY004718
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, N. Hashimoto.
1.0-m f/3.0 reflector + CCD.
718 Wiggins Observatory, Tooele. Observer P. Wiggins. 0.35-m f/5.5
Schmidt-Cassegrain + CCD.
B18 Terskol. Observers N. Parakhin, M. Andreev, A. Sergeev, V. Kozlov,
N. Karpov. Measurer M. Andreev. 0.6-m f/12.8 Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, S. Watters,
J. Thiel, T. Goggia. Measurer PS1 Science Consortium. 1.8-m
Ritchey-Chretien + CCD.
F65 Haleakala-Faulkes Telescope North. Observers P. Miller, P. Roche,
A. Tripp, R. Miles, R. Holmes, S. Foglia, L. Buzzi. Measurers L. Buzzi,
S. Foglia. 2.0-m f/10 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2011 XA3 PHA, Earth MOID = 0.0359 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 25.89065 (2000.0) P Q
n 0.55177514 Peri. 323.77804 -0.46986158 +0.74800891
a 1.4721813 Node 273.60952 -0.65843248 -0.65065586
e 0.9268627 Incl. 28.01268 -0.58795984 +0.13088020
P 1.79 H 20.4 G 0.15 U 8
Residuals in seconds of arc
111215 F51 0.2- 0.1+ 111216 F65 0.0 0.2- 111217 H21 0.1+ 0.1-
111215 F51 0.1+ 0.0 111216 F65 0.0 0.3- 111217 H21 0.0 0.0
111215 F51 0.1+ 0.2- 111216 300 0.2- 0.6+ 111217 J95 0.1+ 0.1-
111215 F51 0.0 0.1+ 111216 300 0.2- 0.7+ 111217 H21 0.1+ 0.1-
111216 H36 0.1- 0.0 111216 300 0.0 0.3- 111217 J95 0.0 0.2-
111216 H36 0.1+ 0.1- 111216 300 0.1- 0.3+ 111217 H21 0.1+ 0.2-
111216 H36 0.0 0.2+ 111217 B18 0.2+ 0.1+ 111217 J95 0.0 0.1-
111216 H36 0.0 0.0 111217 B18 0.3+ 0.3- 111217 718 0.2- 0.9+
111216 H36 0.0 0.3- 111217 J95 0.0 0.0 111217 718 0.0 0.7+
111216 F65 0.1- 0.1- 111217 B18 0.1+ 0.0 111217 718 0.3+ 0.0
111216 F65 0.0 0.3- 111217 J95 0.0 0.0 111217 718 0.2- 0.0
111216 F65 0.0 0.1+ 111217 J95 0.1- 0.1-
111216 F65 0.1- 0.2+ 111217 B18 0.3+ 0.5+
Ephemeris:
2011 XA3 a,e,i = 1.47, 0.93, 28 q = 0.1077
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 11 17 07 59 59.1 +34 31 09 0.7867 1.5266 118.1 34.8 22.2
...
2011 12 02 08 10 20.2 +36 43 11 0.4500 1.3232 130.5 34.5 20.7
...
2011 12 10 08 12 46.5 +40 00 23 0.2765 1.2021 137.0 33.9 19.4
...
2011 12 16 08 10 18.6 +47 10 16 0.1503 1.1042 140.4 34.6 17.9
2011 12 17 08 08 40.1 +49 40 16 0.1299 1.0873 140.3 35.3 17.6
2011 12 18 08 05 57.9 +53 04 38 0.1099 1.0701 139.6 36.6 17.2
...
2011 12 24 20 41 16.5 +26 07 55 0.04711 0.9624 62.0 115.5 18.2
...
2012 01 01 20 23 22.0 -20 29 30 0.1994 0.8045 23.5 150.8 25.0
...
2012 01 16 20 09 27.8 -27 14 14 0.5554 0.4400 7.8 162.3 29.2
Gareth V. Williams (C) Copyright 2011 MPC M.P.E.C. 2011-Y04
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