MPEC 2012-Y11 : 2012 YN1
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M.P.E.C. 2012-Y11 Issued 2012 Dec. 20, 15:28 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
2012 YN1
Observations:
K12Y01N* C2012 12 16.98790 07 36 47.88 +19 00 52.1 20.5 RcEY011J04
K12Y01N C2012 12 16.99947 07 36 47.31 +19 02 59.2 20.6 RcEY011J04
K12Y01N C2012 12 17.01104 07 36 46.79 +19 05 06.2 cEY011J04
K12Y01N C2012 12 17.02259 07 36 46.18 +19 07 13.0 21.0 RcEY011J04
K12Y01N C2012 12 18.22829 07 36 02.87 +22 50 31.9 20.4 RoEY011H01
K12Y01N C2012 12 18.23848 07 36 02.31 +22 52 28.4 20.6 RoEY011H01
K12Y01N C2012 12 18.24578 07 36 01.89 +22 53 51.6 20.4 RoEY011H01
K12Y01N C2012 12 18.25118 07 36 01.59 +22 54 53.5 20.1 RoEY011H01
K12Y01N KC2012 12 19.15118 07 35 17.45 +25 46 51.9 qEY011204
K12Y01N KC2012 12 19.16742 07 35 16.39 +25 49 59.1 qEY011204
K12Y01N KC2012 12 19.18128 07 35 15.54 +25 52 38.9 20.0 RqEY011204
K12Y01N KC2012 12 20.48048 07 34 06.72 +30 07 14.5 20.0 RoEY011291
K12Y01N KC2012 12 20.48311 07 34 06.51 +30 07 45.4 19.9 RoEY011291
K12Y01N KC2012 12 20.48574 07 34 06.32 +30 08 16.4 19.9 RoEY011291
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers
M. Busch, A. Knoefel, D. Koschny, R. Kracht. 1.0-m f/4.4 reflector + CCD.
Orbital elements:
2012 YN1 Earth MOID = 0.1340 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 285.31808 (2000.0) P Q
n 0.72958204 Peri. 20.59949 -0.30335034 -0.83521096
a 1.2220434 Node 89.43276 +0.79742021 -0.48603075
e 0.0906524 Incl. 27.30439 +0.52163166 +0.25728733
P 1.35 H 23.6 G 0.15 U 8
Residuals in seconds of arc
121216 J04 0.0 0.3- 121218 H01 0.1+ 0.3- 121219 204 0.5- 0.5+
121216 J04 0.2- 0.0 121218 H01 0.1- 0.5- 121220 291 0.1+ 0.1-
121217 J04 0.5+ 0.2+ 121218 H01 0.0 0.3- 121220 291 0.0 0.1-
121217 J04 0.1+ 0.5+ 121219 204 0.0 0.4+ 121220 291 0.2+ 0.0
121218 H01 0.0 0.4- 121219 204 0.6- 0.4+
Ephemeris:
2012 YN1 a,e,i = 1.22, 0.09, 27 q = 1.1113
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 11 20 07 26 55.7 -21 30 22 0.3098 1.1383 111.4 53.9 23.3
...
2012 12 05 07 37 03.4 -07 42 05 0.2057 1.1252 128.6 43.2 22.1
...
2012 12 13 07 38 05.9 +07 58 25 0.1624 1.1198 144.0 31.1 21.2
...
2012 12 19 07 35 26.5 +25 17 57 0.1440 1.1166 155.6 21.4 20.7
2012 12 20 07 34 36.2 +28 32 33 0.1427 1.1162 156.6 20.5 20.6
2012 12 21 07 33 37.7 +31 50 08 0.1418 1.1157 157.1 20.1 20.6
...
2012 12 27 07 24 03.2 +51 09 14 0.1476 1.1135 149.8 26.4 20.9
...
2013 01 04 06 53 40.6 +70 34 07 0.1794 1.1117 132.2 41.0 21.7
...
2013 01 19 02 52 34.6 +84 39 30 0.2713 1.1120 111.4 55.5 23.0
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-Y11
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