MPEC 2012-D34 : 2012 DK4
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M.P.E.C. 2012-D34 Issued 2012 Feb. 20, 22:57 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 DK4
Observations:
K12D04K* C2012 02 19.22439 07 28 53.79 +01 37 08.8 19.5 cED034704
K12D04K C2012 02 19.23671 07 28 49.78 +01 38 01.3 19.4 cED034704
K12D04K C2012 02 19.24891 07 28 45.79 +01 38 55.4 19.8 cED034704
K12D04K C2012 02 19.26101 07 28 41.86 +01 39 47.8 19.9 cED034704
K12D04K KC2012 02 19.81339 07 26 09.05 +02 19 20.2 19.0 VvED034I93
K12D04K KC2012 02 19.81856 07 26 07.46 +02 19 43.0 19.4 VvED034I93
K12D04K KC2012 02 19.82743 07 26 04.68 +02 20 20.8 19.4 VvED034I93
K12D04K KC2012 02 19.82963 07 26 03.84 +02 20 20.9 uED034J95
K12D04K KC2012 02 19.83127 07 26 03.47 +02 20 37.6 19.3 VvED034I93
K12D04K KC2012 02 19.83268 07 26 02.87 +02 20 34.3 uED034J95
K12D04K KC2012 02 19.83632 07 26 01.76 +02 20 50.1 18.9 RuED034J95
K12D04K |C2012 02 20.02456 07 25 09.53 +02 36 43.1 19.8 VoED034807
K12D04K |C2012 02 20.02718 07 25 08.70 +02 36 54.5 19.7 VoED034807
K12D04K |C2012 02 20.02978 07 25 07.87 +02 37 05.7 19.6 VoED034807
K12D04K |C2012 02 20.03238 07 25 07.03 +02 37 16.8 19.8 VoED034807
K12D04K |C2012 02 20.03480 07 25 06.27 +02 37 27.5 19.9 VoED034807
K12D04K KC2012 02 20.15557 07 24 32.92 +02 44 06.0 19.7 VoED034G51
K12D04K KC2012 02 20.15954 07 24 31.65 +02 44 22.8 19.6 VoED034G51
K12D04K KC2012 02 20.16348 07 24 30.42 +02 44 39.7 oED034G51
K12D04K C2012 02 20.51659 07 22 50.35 +03 09 48.8 20.1 RoED034300
K12D04K C2012 02 20.51984 07 22 49.33 +03 10 02.2 19.9 RoED034300
K12D04K C2012 02 20.52145 07 22 48.82 +03 10 09.6 20.0 RoED034300
K12D04K C2012 02 20.52308 07 22 48.30 +03 10 16.4 20.2 RoED034300
K12D04K C2012 02 20.52632 07 22 47.26 +03 10 30.5 19.8 RoED034300
K12D04K KC2012 02 20.67682 07 22 09.28 +03 20 55.3 19.1 RvED034B18
K12D04K KC2012 02 20.68523 07 22 06.73 +03 21 30.3 19.5 RvED034B18
K12D04K C2012 02 20.87014 07 21 10.44 +03 34 34.1 19.4 RvED034B18
K12D04K C2012 02 20.87083 07 21 10.19 +03 34 37.6 19.7 RvED034B18
K12D04K C2012 02 20.87785 07 21 08.10 +03 35 06.5 19.5 RvED034B18
K12D04K KC2012 02 20.87950 07 21 11.40 +03 35 03.7 uED034J95
K12D04K KC2012 02 20.88283 07 21 10.44 +03 35 17.2 19.0 RuED034J95
K12D04K KC2012 02 20.89337 07 21 05.91 +03 36 09.5 20.1 VuED034595
K12D04K KC2012 02 20.92952 07 20 55.02 +03 38 41.8 20.2 VuED034595
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, N. Hashimoto.
1.0-m f/3.0 reflector + CCD.
595 Farra d'Isonzo. Observers L. Bittesini, E. Pettarin. Measurer
E. Pettarin. 0.40-m f/4.5 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.
807 Cerro Tololo. Observers R. Holmes, T. Linder, V. Hoette. Measurers
R. Holmes, T. Linder. 0.41-m f/11 Ritchey-Chretien + CCD.
B18 Terskol. Observers M. Andreev, A. Sergeev, V. Kozlov, N. Karpov,
N. Parakhin. Measurer M. Andreev. 0.6-m f/12.8 Cassegrain + CCD.
G51 Byrne Observatory, Sedgwick Reserve. Observer B. J. Fulton. Measurer
T. Lister. 0.8-m f/8 Ritchey-Chretien + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2012 DK4 Earth MOID = 0.0120 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 222.69523 (2000.0) P Q
n 1.17136253 Peri. 148.51194 +0.73037172 +0.68289993
a 0.8912684 Node 168.38332 -0.64052663 +0.69202946
e 0.1813704 Incl. 4.07568 -0.23723991 +0.23397201
P 0.84 H 23.6 G 0.15 U 7
Residuals in seconds of arc
120219 704 0.3- 0.3+ 120220 807 0.2- 0.2- 120220 300 0.1+ 0.4+
120219 704 0.1+ 0.7- 120220 807 0.1- 0.0 120220 300 0.2- 0.8+
120219 704 0.1+ 0.5+ 120220 807 0.2- 0.0 120220 B18 0.1+ 0.1+
120219 704 0.2+ 0.4+ 120220 807 0.3- 0.1- 120220 B18 0.0 0.8-
120219 I93 0.5- 0.3- 120220 807 0.2- 0.2+ 120220 B18 0.4+ 0.2-
120219 I93 0.1- 0.2+ 120220 G51 0.0 0.1+ 120220 B18 0.3- 0.4+
120219 I93 0.2- 0.3- 120220 G51 0.3- 0.2- 120220 B18 0.2- 0.2-
120219 J95 0.3+ 0.3- 120220 G51 0.2- 0.2- 120220 J95 0.3- 0.2+
120219 I93 0.3- 0.0 120220 300 0.3+ 0.5+ 120220 J95 0.3+ 0.3-
120219 J95 0.1- 0.0 120220 300 0.3+ 0.0 120220 595 0.2- 0.0
120219 J95 0.1+ 0.1+ 120220 300 0.3+ 0.6+ 120220 595 0.2- 0.1-
Ephemeris:
2012 DK4 a,e,i = 0.89, 0.18, 4 q = 0.7296
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 01 21 10 07 13.8 -23 47 44 0.09722 1.0461 127.5 48.2 20.4
...
2012 02 05 08 49 48.2 -14 57 58 0.07775 1.0528 148.4 29.4 19.4
...
2012 02 13 08 01 59.8 -06 01 35 0.07536 1.0519 148.0 29.8 19.4
...
2012 02 19 07 30 00.3 +01 21 49 0.07794 1.0492 139.8 37.4 19.7
2012 02 20 07 25 14.0 +02 33 55 0.07871 1.0485 138.1 39.0 19.7
2012 02 21 07 20 38.6 +03 44 51 0.07956 1.0479 136.4 40.6 19.8
...
2012 02 27 06 57 00.6 +10 17 49 0.08614 1.0428 125.7 50.4 20.2
...
2012 03 06 06 35 04.8 +17 22 32 0.09738 1.0335 112.6 62.4 20.8
...
2012 03 21 06 13 03.2 +26 39 47 0.1196 1.0081 92.3 80.9 21.8
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-D34
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