MPEC 2012-Y15 : 2012 YQ1
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M.P.E.C. 2012-Y15 Issued 2012 Dec. 21, 15:41 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 YQ1
Observations:
K12Y01Q* C2012 12 19.23613 08 29 02.99 +04 39 49.6 18.2 RuEY015G32
K12Y01Q C2012 12 19.23981 08 29 04.33 +04 39 44.2 18.3 RuEY015G32
K12Y01Q C2012 12 19.24348 08 29 05.78 +04 39 37.9 18.4 RuEY015G32
K12Y01Q C2012 12 19.24715 08 29 07.17 +04 39 31.1 18.4 RuEY015G32
K12Y01Q C2012 12 20.28179 08 36 15.00 +04 09 21.7 18.2 RuEY015G32
K12Y01Q C2012 12 20.28546 08 36 16.51 +04 09 14.4 18.5 RuEY015G32
K12Y01Q C2012 12 20.38874 08 37 01.35 +04 05 20.7 18.7 cEY015704
K12Y01Q C2012 12 20.40201 08 37 06.85 +04 04 56.4 19.1 cEY015704
K12Y01Q C2012 12 20.41502 08 37 12.27 +04 04 31.6 19.2 cEY015704
K12Y01Q C2012 12 20.42828 08 37 17.79 +04 04 07.8 19.0 cEY015704
K12Y01Q C2012 12 20.44232 08 37 23.70 +04 03 41.6 19.0 cEY015704
K12Y01Q HC2012 12 20.54401 08 38 06.71 +04 00 35.2 18.6 RoEY015291
K12Y01Q HC2012 12 20.54444 08 38 06.87 +04 00 34.2 18.5 RoEY015291
K12Y01Q HC2012 12 20.54486 08 38 07.07 +04 00 33.2 18.5 RoEY015291
K12Y01Q C2012 12 20.73893 08 39 34.67 +03 54 30.3 19.4 RoEY015300
K12Y01Q C2012 12 20.74056 08 39 35.32 +03 54 27.4 19.4 RoEY015300
K12Y01Q C2012 12 20.74218 08 39 36.05 +03 54 24.5 19.6 RoEY015300
K12Y01Q C2012 12 20.74380 08 39 36.74 +03 54 21.4 19.6 RoEY015300
K12Y01Q C2012 12 21.23191 08 43 18.92 +03 39 37.4 19.0 RuEY015G32
K12Y01Q C2012 12 21.23350 08 43 19.66 +03 39 35.0 19.4 RuEY015G32
K12Y01Q C2012 12 21.23508 08 43 20.34 +03 39 32.6 19.1 RuEY015G32
K12Y01Q C2012 12 21.24013 08 43 22.63 +03 39 22.6 19.1 RuEY015G32
K12Y01Q KC2012 12 21.30562 08 43 53.35 +03 36 26.9 18.4 RqEY015H15
K12Y01Q KC2012 12 21.31073 08 43 55.66 +03 36 17.1 18.5 RqEY015H15
K12Y01Q KC2012 12 21.31586 08 43 57.96 +03 36 06.9 18.6 RqEY015H15
K12Y01Q C2012 12 21.32118 08 44 00.37 +03 35 56.0 18.0 RoEY015H01
K12Y01Q C2012 12 21.32835 08 44 03.59 +03 35 42.0 17.9 RoEY015H01
K12Y01Q C2012 12 21.33573 08 44 06.90 +03 35 27.6 17.9 RoEY015H01
K12Y01Q C2012 12 21.34310 08 44 10.21 +03 35 13.2 18.1 RoEY015H01
K12Y01Q C2012 12 21.35362 08 44 15.15 +03 34 54.2 18.9 RcEY015854
K12Y01Q C2012 12 21.35584 08 44 16.15 +03 34 49.9 19.0 RcEY015854
K12Y01Q C2012 12 21.35806 08 44 17.13 +03 34 46.2 18.9 RcEY015854
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, K. Nishiyama.
1.0-m f/3.0 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall. 1.0-m
f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
G32 Elena Remote Observatory, San Pedro de Atacama. Observers A. Oreshko,
T. Kryachko. 0.4-m f/8.0 Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H15 ISON-NM Observatory, Mayhill. Observer L. Elenin. 0.45-m f/2.8
astrograph + CCD.
Orbital elements:
2012 YQ1 PHA, Earth MOID = 0.0072 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 313.25563 (2000.0) P Q
n 0.34714594 Peri. 41.98731 -0.94978965 -0.30308574
a 2.0050629 Node 120.21313 +0.25778583 -0.89876086
e 0.5660178 Incl. 5.15924 +0.17733043 -0.31680901
P 2.84 H 21.0 G 0.15 U 8
Residuals in seconds of arc
121219 G32 0.4+ 0.4- 121220 291 0.2+ 0.2+ 121221 H15 0.1- 0.3-
121219 G32 0.6- 0.4+ 121220 291 0.2- 0.0 121221 H15 0.2+ 0.1-
121219 G32 0.1+ 0.3+ 121220 291 0.2+ 0.2- 121221 H15 0.2+ 0.4-
121219 G32 0.0 0.4- 121220 300 0.2+ 0.5- 121221 H01 0.3- 0.0
121220 G32 (3.3- 0.8+) 121220 300 0.5- 0.3- 121221 H01 0.2- 0.1-
121220 G32 (3.3- 0.1+) 121220 300 0.0 0.2- 121221 H01 0.2- 0.1-
121220 704 0.3+ 0.7+ 121220 300 0.0 0.3- 121221 H01 0.1- 0.1-
121220 704 0.1- 0.6+ 121221 G32 0.6- 0.7- 121221 854 0.4+ 0.2+
121220 704 0.1- 0.3- 121221 G32 0.1- 0.0 121221 854 0.5+ 0.2+
121220 704 0.3- 0.2+ 121221 G32 0.4- 0.6+ 121221 854 0.3+ 0.8+
121220 704 0.4+ 0.2- 121221 G32 0.4+ 0.4+
Ephemeris:
2012 YQ1 a,e,i = 2.01, 0.57, 5 q = 0.8702
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 11 21 06 51 17.2 +11 43 25 0.4688 1.3604 135.0 30.9 21.3
...
2012 12 06 07 28 45.7 +08 58 37 0.3070 1.2359 139.9 30.9 20.2
...
2012 12 14 07 59 38.6 +06 44 33 0.2323 1.1711 139.6 33.0 19.6
...
2012 12 20 08 34 14.7 +04 17 27 0.1830 1.1239 136.6 37.0 19.1
2012 12 21 08 41 31.4 +03 46 44 0.1755 1.1162 135.7 38.0 19.0
2012 12 22 08 49 21.3 +03 13 45 0.1682 1.1085 134.7 39.1 18.9
...
2012 12 28 09 51 07.8 -01 03 07 0.1308 1.0639 125.0 49.2 18.6
...
2013 01 05 12 01 27.9 -09 01 31 0.1075 1.0086 100.6 73.4 18.7
...
2013 01 20 15 38 20.9 -14 49 47 0.1648 0.9242 64.2 106.6 20.9
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-Y15
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