MPEC 2012-D72 : 2012 DK31
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M.P.E.C. 2012-D72 Issued 2012 Feb. 26, 21:08 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 DK31
Observations:
K12D31K*QC2012 02 24.53677206 31 20.41 -11 40 07.5 17.8 VrED072E12
K12D31K QC2012 02 24.54511606 31 11.08 -11 38 44.0 17.7 VrED072E12
K12D31K QC2012 02 24.55341106 31 01.89 -11 37 21.0 17.8 VrED072E12
K12D31K QC2012 02 24.56176706 30 52.45 -11 35 56.3 18.0 VrED072E12
K12D31K QC2012 02 24.57123906 30 41.87 -11 34 20.5 18.4 VrED072E12
K12D31K QC2012 02 24.60260906 30 07.05 -11 29 04.3 17.6 VrED072E12
K12D31K QC2012 02 24.60580106 30 03.51 -11 28 31.9 18.4 VrED072E12
K12D31K KC2012 02 24.65766 06 29 15.07 -11 22 05.6 18.2 RvED072B18
K12D31K KC2012 02 24.68777 06 28 41.45 -11 17 05.5 18.3 RvED072B18
K12D31K KC2012 02 24.69134 06 28 37.41 -11 16 30.3 18.3 RvED072B18
K12D31K KC2012 02 24.79706 06 26 43.86 -10 58 46.4 17.7 RrED072I89
K12D31K KC2012 02 24.79902 06 26 41.69 -10 58 27.0 17.8 RrED072I89
K12D31K KC2012 02 24.80098 06 26 39.50 -10 58 07.3 17.8 RrED072I89
K12D31K KC2012 02 24.81133 06 26 26.91 -10 56 33.9 tED072204
K12D31K KC2012 02 24.81744 06 26 20.14 -10 55 33.1 18.2 RtED072204
K12D31K KC2012 02 24.82355 06 26 13.37 -10 54 31.6 tED072204
K12D31K KC2012 02 24.89772 06 24 51.13 -10 42 08.1 18.8 VuED072595
K12D31K KC2012 02 24.90631 06 24 41.70 -10 40 42.1 18.9 VuED072595
K12D31K |C2012 02 25.00884 06 22 56.27 -10 21 34.9 18.1 VoED072807
K12D31K |C2012 02 25.01053 06 22 54.41 -10 21 18.1 18.6 VoED072807
K12D31K |C2012 02 25.01223 06 22 52.53 -10 21 01.2 18.4 VoED072807
K12D31K |C2012 02 25.01391 06 22 50.66 -10 20 44.3 18.8 VoED072807
K12D31K |C2012 02 25.01559 06 22 48.80 -10 20 28.0 18.5 VoED072807
K12D31K C2012 02 25.09458 06 21 25.61 -10 09 08.7 18.7 cED072704
K12D31K C2012 02 25.10638 06 21 12.64 -10 07 11.4 18.9 cED072704
K12D31K KC2012 02 25.11000 06 21 04.38 -10 04 40.2 18.3 RuED072I19
K12D31K C2012 02 25.11046 06 21 08.38 -10 06 28.3 19.3 RoED072G48
K12D31K C2012 02 25.11153 06 21 07.02 -10 06 20.6 18.1 RoED072H01
K12D31K KC2012 02 25.11187 06 21 02.26 -10 04 22.0 18.6 RuED072I19
K12D31K C2012 02 25.11204 06 21 06.65 -10 06 12.9 19.5 RoED072G48
K12D31K C2012 02 25.11256 06 21 06.12 -10 06 07.7 19.6 RoED072G48
K12D31K KC2012 02 25.11374 06 21 00.28 -10 04 03.4 18.3 RuED072I19
K12D31K KC2012 02 25.11565 06 20 58.20 -10 03 44.1 18.2 RuED072I19
K12D31K C2012 02 25.11906 06 20 58.75 -10 05 05.4 18.0 RoED072H01
K12D31K C2012 02 25.12554 06 20 51.64 -10 04 00.9 17.9 RoED072H01
K12D31K C2012 02 25.12999 06 20 46.70 -10 03 15.7 18.7 cED072704
K12D31K C2012 02 25.13338 06 20 43.05 -10 02 42.6 18.1 RoED072H01
K12D31K C2012 02 25.14249 06 20 33.03 -10 01 11.2 18.6 cED072704
K12D31K C2012 02 25.25962 06 18 25.84 -09 41 38.0 18.6 RcED072854
K12D31K C2012 02 25.26346 06 18 21.64 -09 40 59.6 18.5 RcED072854
K12D31K C2012 02 25.26728 06 18 17.58 -09 40 21.1 18.7 RcED072854
K12D31K C2012 02 25.43304 06 15 26.42 -09 10 45.3 17.9 RoED072474
K12D31K C2012 02 25.43565 06 15 23.45 -09 10 18.6 18.2 RoED072474
K12D31K C2012 02 25.43611 06 15 22.93 -09 10 13.6 17.9 RoED072474
K12D31K C2012 02 25.43656 06 15 22.50 -09 10 10.3 17.9 RoED072474
K12D31K C2012 02 25.43709 06 15 21.94 -09 10 04.0 18.0 RoED072474
K12D31K C2012 02 25.43762 06 15 21.36 -09 09 59.1 18.0 RoED072474
K12D31K C2012 02 25.43819 06 15 20.78 -09 09 53.4 18.1 RoED072474
K12D31K KC2012 02 25.79147 06 09 20.74 -08 14 09.6 uED072J95
K12D31K KC2012 02 25.79407 06 09 16.96 -08 13 39.1 19.0 VtED072B28
K12D31K KC2012 02 25.79446 06 09 17.66 -08 13 40.5 uED072J95
K12D31K KC2012 02 25.79605 06 09 14.88 -08 13 19.6 19.1 VtED072B28
K12D31K KC2012 02 25.79742 06 09 13.43 -08 13 05.9 19.2 VtED072B28
K12D31K KC2012 02 25.79757 06 09 14.40 -08 13 10.0 18.5 RuED072J95
K12D31K |C2012 02 26.02488 06 05 23.51 -07 33 45.9 19.0 VoED072807
K12D31K |C2012 02 26.02739 06 05 20.89 -07 33 21.3 19.0 VoED072807
K12D31K |C2012 02 26.02973 06 05 18.46 -07 32 58.5 19.2 VoED072807
K12D31K KC2012 02 26.08192306 04 26.04 -07 26 24.2 19.6 VtED072H21
K12D31K KC2012 02 26.08527906 04 22.56 -07 25 51.2 19.7 VtED072H21
K12D31K KC2012 02 26.08863606 04 19.09 -07 25 18.4 19.7 VtED072H21
K12D31K KC2012 02 26.09189606 04 15.72 -07 24 46.4 19.5 VtED072H21
K12D31K C2012 02 26.10397 06 04 05.03 -07 22 41.4 19.1 cED072704
K12D31K C2012 02 26.10408 06 04 04.96 -07 22 39.9 19.2 cED072704
K12D31K C2012 02 26.10418 06 04 04.84 -07 22 38.7 18.8 cED072704
K12D31K C2012 02 26.10429 06 04 04.76 -07 22 37.9 19.3 cED072704
K12D31K C2012 02 26.11564 06 03 53.06 -07 20 46.4 19.6 cED072704
K12D31K C2012 02 26.11575 06 03 52.93 -07 20 45.7 19.2 cED072704
K12D31K C2012 02 26.11585 06 03 52.73 -07 20 44.7 19.1 cED072704
K12D31K C2012 02 26.11596 06 03 52.68 -07 20 43.7 19.1 cED072704
K12D31K C2012 02 26.11606 06 03 52.51 -07 20 43.1 19.1 cED072704
K12D31K C2012 02 26.12706 06 03 41.19 -07 18 55.9 18.0 RoED072H01
K12D31K C2012 02 26.12739 06 03 40.82 -07 18 52.2 19.1 cED072704
K12D31K C2012 02 26.12749 06 03 40.67 -07 18 51.5 19.3 cED072704
K12D31K C2012 02 26.12760 06 03 40.61 -07 18 50.7 19.1 cED072704
K12D31K C2012 02 26.12770 06 03 40.47 -07 18 49.8 18.9 cED072704
K12D31K C2012 02 26.12781 06 03 40.37 -07 18 48.3 19.0 cED072704
K12D31K C2012 02 26.13640 06 03 31.53 -07 17 24.7 18.2 RoED072H01
K12D31K C2012 02 26.13924 06 03 28.54 -07 16 57.0 19.1 cED072704
K12D31K C2012 02 26.13935 06 03 28.46 -07 16 55.3 19.3 cED072704
K12D31K C2012 02 26.13956 06 03 28.25 -07 16 53.7 19.3 cED072704
K12D31K C2012 02 26.13966 06 03 28.08 -07 16 53.0 19.1 cED072704
K12D31K C2012 02 26.14331 06 03 24.39 -07 16 17.1 18.4 RoED072H01
K12D31K C2012 02 26.14958 06 03 17.91 -07 15 15.9 18.3 RoED072H01
K12D31K C2012 02 26.15103 06 03 16.37 -07 15 01.6 18.9 cED072704
K12D31K C2012 02 26.15113 06 03 16.26 -07 15 00.7 19.0 cED072704
K12D31K C2012 02 26.15123 06 03 16.18 -07 14 59.3 19.2 cED072704
K12D31K C2012 02 26.15134 06 03 16.03 -07 14 59.3 19.2 cED072704
K12D31K C2012 02 26.15144 06 03 15.92 -07 14 57.8 19.1 cED072704
K12D31K KC2012 02 26.41303 05 58 56.84 -06 30 25.9 18.4 RoED072474
K12D31K KC2012 02 26.41411 05 58 55.74 -06 30 14.5 18.2 RoED072474
K12D31K KC2012 02 26.41519 05 58 54.65 -06 30 04.3 18.6 RoED072474
K12D31K KC2012 02 26.41625 05 58 53.57 -06 29 54.2 18.4 RoED072474
K12D31K C2012 02 26.46620 05 58 06.30 -06 24 03.8 19.2 RoED072300
K12D31K C2012 02 26.47028 05 58 02.16 -06 23 24.6 19.1 RoED072300
K12D31K C2012 02 26.47225 05 58 00.15 -06 23 05.9 19.2 RoED072300
K12D31K C2012 02 26.47422 05 57 58.18 -06 22 46.5 19.0 RoED072300
K12D31K KC2012 02 26.78229 05 53 01.46 -05 33 49.7 uED072118
K12D31K KC2012 02 26.78672 05 52 57.09 -05 33 06.4 uED072118
K12D31K KC2012 02 26.79138 05 52 52.48 -05 32 22.2 uED072118
Observer details:
118 Modra. Observer S. Gajdos. 0.6-m f/5.5 reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers S. Okumura, K. Nishiyama.
1.0-m f/3.0 reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
595 Farra d'Isonzo. Observers L. Bittesini, G. Ierman, 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.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
B18 Terskol. Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov,
N. Karpov. Measurer M. Andreev. 0.6-m f/12.8 Cassegrain + CCD.
B28 Mandi Observatory, Pagnacco. Observer P. Corelli. 0.45-m f/4.5 reflector
+ CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
G48 Doc Greiner Research Obs., Rancho Hildalgo. Observer M. Mills. 0.40-m
f/10 Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
I19 Observatorio El Gato Gris, Tanti. Observers C. Colazo, A. Mottino.
Measurer C. Colazo. 0.36-m f/11 Schmidt-Cassegrain + CCD.
I89 RAS Observatory, Nerpio. Observers C. Jacques, E. Pimentel. Measurer
C. Jacques. 0.43-m f/6.8 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2012 DK31 PHA, Earth MOID = 0.0256 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 262.28833 (2000.0) P Q
n 1.70745271 Peri. 149.18124 +0.70321068 +0.70927132
a 0.6932719 Node 165.30471 -0.68548120 +0.69475657
e 0.5777138 Incl. 11.20259 -0.18870683 +0.11936291
P 0.58 H 21.8 G 0.15 U 9
Residuals in seconds of arc
120224 E12 0.5- 0.5+ 120225 H01 0.4- 0.1+ 120226 704 1.2+ 0.4+
120224 E12 0.1- 0.0 120225 H01 0.4- 0.0 120226 704 0.3- 0.5+
120224 E12 1.4+ 0.6- 120225 704 0.5- 0.6+ 120226 704 0.7+ 0.4+
120224 E12 0.1- 0.1- 120225 H01 0.3- 0.1+ 120226 704 0.3- 0.0
120224 E12 0.2- 0.2+ 120225 704 0.0 0.4+ 120226 H01 0.2- 0.0
120224 E12 0.0 0.2- 120225 854 0.1- 0.1- 120226 704 0.2+ 0.2+
120224 E12 0.2- 0.0 120225 854 0.9- 0.2- 120226 704 0.5- 0.1-
120224 B18 1.0+ 0.2+ 120225 854 0.1- 0.0 120226 704 0.3+ 0.3-
120224 B18 0.8+ 0.3+ 120225 474 1.9+ 0.6- 120226 704 0.2- 0.4-
120224 B18 0.0 0.1- 120225 474 0.7- 0.1+ 120226 704 0.0 0.0
120224 I89 0.8- 0.4+ 120225 474 1.1- 0.5+ 120226 H01 0.2- 0.1-
120224 I89 0.7- 0.3+ 120225 474 0.4- 0.7- 120226 704 0.2- 0.4-
120224 I89 0.8- 0.5+ 120225 474 0.3- 0.3+ 120226 704 0.3+ 0.2+
120224 204 0.2- 0.3- 120225 474 0.5- 0.1- 120226 704 0.4+ 0.2-
120224 204 0.2- 0.5- 120225 474 0.0 0.1- 120226 704 0.6- 0.5-
120224 204 0.2- 0.1- 120225 J95 0.4- 0.2+ 120226 H01 0.2- 0.0
120224 595 0.2+ 0.3- 120225 B28 0.8+ 0.0 120226 H01 0.3- 0.1-
120224 595 0.1+ 0.6- 120225 J95 0.3+ 0.1- 120226 704 0.1- 0.2-
120225 807 0.0 0.3+ 120225 B28 0.7+ 0.0 120226 704 0.2- 0.3-
120225 807 0.1+ 0.2+ 120225 B28 0.6+ 0.2+ 120226 704 0.1+ 0.1+
120225 807 0.1+ 0.2+ 120225 J95 0.2+ 0.2- 120226 704 0.4- 0.9-
120225 807 0.1- 0.3+ 120226 807 0.2+ 0.2+ 120226 704 0.5- 0.4-
120225 807 0.2- 0.1- 120226 807 0.1+ 0.2+ 120226 474 0.1+ 0.5-
120225 704 0.4+ 0.5+ 120226 807 0.2+ 0.0 120226 474 0.1- 0.5+
120225 704 0.1+ 0.3+ 120226 H21 0.1+ 0.0 120226 474 0.1- 0.2+
120225 I19 0.5+ 0.6+ 120226 H21 0.1- 0.1+ 120226 474 0.3- 0.0
120225 G48 0.5- 0.1+ 120226 H21 0.0 0.1+ 120226 300 0.4+ 0.2-
120225 H01 0.2- 0.0 120226 H21 0.0 0.2+ 120226 300 0.2+ 0.4-
120225 I19 0.6- 0.1+ 120226 704 0.3- 0.2- 120226 300 0.1- 0.8-
120225 G48 0.4- 0.3- 120226 704 0.4+ 0.2+ 120226 300 0.2+ 0.4-
120225 G48 0.2+ 0.2- 120226 704 0.1+ 0.4+ 120226 118 0.2- 0.3-
120225 I19 0.3+ 0.1- 120226 704 0.6+ 0.2+ 120226 118 0.4- 0.8+
120225 I19 0.3+ 0.0 120226 704 1.4+ 0.8+ 120226 118 0.9- 0.6+
Ephemeris:
2012 DK31 a,e,i = 0.69, 0.58, 11 q = 0.2928
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 01 27 11 45 32.7 -29 30 24 0.2252 1.0936 113.4 55.7 20.8
...
2012 02 11 10 20 10.0 -31 28 18 0.1238 1.0750 132.9 42.2 19.1
...
2012 02 19 08 18 51.4 -24 57 24 0.08693 1.0516 135.0 41.7 18.2
...
2012 02 25 06 23 05.5 -10 23 47 0.08215 1.0278 115.5 60.3 18.6
2012 02 26 06 05 49.5 -07 38 37 0.08375 1.0233 111.3 64.3 18.7
2012 02 27 05 49 36.4 -04 58 12 0.08596 1.0187 107.0 68.4 18.9
...
2012 03 04 04 34 25.3 +07 46 56 0.1090 0.9874 84.6 89.0 20.1
...
2012 03 12 03 35 35.8 +16 41 12 0.1532 0.9366 64.0 107.6 21.6
...
2012 03 27 02 32 45.5 +22 14 28 0.2508 0.8114 36.9 132.4 24.3
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-D72
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