MPEC 2011-Y10 : 2011 YQ1
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M.P.E.C. 2011-Y10 Issued 2011 Dec. 19, 12:15 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 YQ1
Observations:
K11Y01Q* C2011 12 18.03236 07 03 40.13 +23 40 12.8 17.9 RrEY010106
K11Y01Q C2011 12 18.04532 07 03 39.94 +23 38 48.1 18.3 RrEY010106
K11Y01Q C2011 12 18.05332 07 03 51.31 +23 39 43.7 18.5 RcEY010J04
K11Y01Q C2011 12 18.05827 07 03 39.77 +23 37 22.7 17.9 RrEY010106
K11Y01Q C2011 12 18.07120 07 03 39.63 +23 35 57.8 17.9 RrEY010106
K11Y01Q C2011 12 18.07473 07 03 50.27 +23 37 29.8 18.1 RcEY010J04
K11Y01Q C2011 12 18.09614 07 03 49.21 +23 35 16.6 18.2 RcEY010J04
K11Y01Q C2011 12 18.35756607 04 05.31 +23 08 33.9 18.7 VtEY010H21
K11Y01Q C2011 12 18.36921907 04 05.01 +23 07 27.6 18.6 VtEY010H21
K11Y01Q C2011 12 18.37292407 04 04.93 +23 07 06.7 18.9 VtEY010H21
K11Y01Q C2011 12 18.37592707 04 04.86 +23 06 49.4 18.9 VtEY010H21
K11Y01Q IC2011 12 18.42041707 04 06.21 +23 02 48.6 18.3 RuEY010H36
K11Y01Q KC2011 12 18.42359307 04 06.18 +23 02 31.3 18.4 RuEY010H36
K11Y01Q KC2011 12 18.42677107 04 06.13 +23 02 12.2 18.4 RuEY010H36
K11Y01Q C2011 12 18.82374 07 04 56.78 +22 30 27.6 18.4 RuEY010B18
K11Y01Q C2011 12 18.82723 07 04 56.70 +22 30 14.1 18.6 RuEY010B18
K11Y01Q C2011 12 18.83073 07 04 56.66 +22 30 00.1 18.4 RuEY010B18
K11Y01Q C2011 12 18.83284 07 04 56.62 +22 29 52.1 18.3 RuEY010B18
K11Y01Q KC2011 12 18.89638 07 05 02.38 +22 24 28.2 uEY010J95
K11Y01Q KC2011 12 18.90234 07 05 02.47 +22 24 05.9 uEY010J95
K11Y01Q KC2011 12 18.90516 07 05 02.48 +22 23 55.4 18.4 RuEY010J95
K11Y01Q KC2011 12 18.93399 07 05 03.67 +22 22 37.8 18.9 VuEY010I93
K11Y01Q KC2011 12 18.93992 07 05 01.47 +22 22 17.1 tEY010204
K11Y01Q KC2011 12 18.94238 07 05 09.49 +22 23 03.1 18.7 RoEY010J04
K11Y01Q KC2011 12 18.94343 07 05 03.53 +22 22 02.7 19.1 VuEY010I93
K11Y01Q KC2011 12 18.94377 07 05 01.40 +22 22 02.6 tEY010204
K11Y01Q KC2011 12 18.94550 07 05 09.38 +22 22 51.7 18.5 RoEY010J04
K11Y01Q KC2011 12 18.94752 07 05 00.86 +22 21 50.6 18.4 RvEY010A99
K11Y01Q KC2011 12 18.94763 07 05 01.30 +22 21 47.8 18.4 RtEY010204
K11Y01Q KC2011 12 18.94863 07 05 09.38 +22 22 40.3 18.4 RoEY010J04
K11Y01Q KC2011 12 18.94992 07 05 00.76 +22 21 41.4 18.5 RvEY010A99
K11Y01Q KC2011 12 18.95232 07 05 00.68 +22 21 32.5 18.5 RvEY010A99
K11Y01Q KC2011 12 18.95474 07 05 00.65 +22 21 23.1 18.7 RvEY010A99
K11Y01Q KC2011 12 18.95625 07 05 03.33 +22 21 14.5 18.9 VuEY010I93
K11Y01Q KC2011 12 18.95714 07 05 00.60 +22 21 13.6 18.5 RvEY010A99
K11Y01Q KC2011 12 18.96014 07 05 00.54 +22 21 02.5 18.4 RvEY010A99
K11Y01Q KC2011 12 19.31525507 05 14.07 +21 59 35.4 18.4 RuEY010H36
K11Y01Q KC2011 12 19.31761607 05 13.97 +21 59 27.5 18.6 RuEY010H36
K11Y01Q KC2011 12 19.32321407 05 13.74 +21 59 07.8 18.7 RuEY010H36
Observer details:
106 Crni Vrh. Observer J. Skvarc. 0.6-m f/3.3 Deltagraph + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
A99 Osservatorio del Monte Baldo. Observer C. Flavio. Measurer M. Claudio.
0.4-m f/8 Ritchey-Chretien + 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.
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.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers
A. Knoefel, D. Koschny, M. Busch, S. Schmalz. 1.0-m f/4.4 reflector
+ CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2011 YQ1 Earth MOID = 0.0025 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 45.67469 (2000.0) P Q
n 0.36620515 Peri. 127.65977 +0.82442311 -0.56518408
a 1.9348757 Node 266.77430 +0.50938770 +0.76398038
e 0.5497235 Incl. 1.71562 +0.24667937 +0.31128915
P 2.69 H 25.6 G 0.15 U 6
Residuals in seconds of arc
111218 106 0.2- 0.1+ 111218 H36 0.3+ 0.8- 111218 J04 0.4- 0.3+
111218 106 0.0 0.4+ 111218 B18 0.0 0.0 111218 A99 0.1+ 0.1+
111218 J04 0.2+ 0.1+ 111218 B18 0.3- 0.2+ 111218 204 0.1- 0.2-
111218 106 0.0 0.0 111218 B18 0.1+ 0.1+ 111218 J04 0.1+ 0.0
111218 106 0.0 0.0 111218 B18 0.1+ 0.4+ 111218 A99 0.4- 0.1+
111218 J04 0.2- 0.7- 111218 J95 0.1- 0.2- 111218 A99 0.6- 0.4+
111218 J04 0.0 0.1- 111218 J95 0.2+ 0.1- 111218 A99 0.1- 0.2+
111218 H21 0.3- 0.3+ 111218 J95 0.1- 0.0 111218 I93 0.5+ 0.3-
111218 H21 0.3- 0.1+ 111218 I93 0.2- 0.1- 111218 A99 0.1+ 0.1-
111218 H21 0.2- 0.2+ 111218 204 0.3- 0.2- 111218 A99 0.5+ 0.3+
111218 H21 0.3- 0.0 111218 J04 0.6+ 0.6+ 111219 H36 0.3- 0.1-
111218 H36 0.4+ 0.2- 111218 I93 0.2- 0.0 111219 H36 0.1- 0.1+
111218 H36 0.5+ 0.4+ 111218 204 0.0 0.1- 111219 H36 0.4+ 0.2-
Ephemeris:
2011 YQ1 a,e,i = 1.93, 0.55, 2 q = 0.8712
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 11 19 18 57 19.9 -18 08 51 0.1786 0.8782 47.7 123.7 26.7
...
2011 12 04 19 09 10.9 -16 22 00 0.07236 0.9280 35.8 141.6 26.8
...
2011 12 12 19 16 32.7 -09 58 24 0.01782 0.9696 32.0 147.4 24.8
...
2011 12 18 07 03 38.6 +23 46 12 0.02320 1.0060 161.0 18.6 18.4
2011 12 19 07 04 57.0 +22 20 28 0.02995 1.0124 161.6 17.9 18.9
2011 12 20 07 05 41.8 +21 26 25 0.03673 1.0189 162.3 17.1 19.4
...
2011 12 26 07 06 36.2 +19 24 08 0.07803 1.0599 167.6 11.5 20.9
...
2012 01 03 07 05 48.1 +18 46 46 0.1356 1.1184 174.7 4.7 21.9
...
2012 01 18 07 05 25.3 +18 41 28 0.2565 1.2357 167.8 9.7 23.7
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-Y10
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