MPEC 2012-M01 : 2012 LL9
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Read MPEC 2012-L46
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M.P.E.C. 2012-M01 Issued 2012 June 16, 00:32 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 LL9
Observations:
K12L09L* C2012 06 13.27606 15 50 00.31 +61 02 59.8 19.7 VrEM001703
K12L09L C2012 06 13.28171 15 49 58.47 +61 03 02.1 20.6 VrEM001703
K12L09L C2012 06 13.28740 15 49 57.46 +61 03 07.7 20.6 VrEM001703
K12L09L C2012 06 13.29308 15 49 56.02 +61 03 11.9 19.9 VrEM001703
K12L09L C2012 06 13.29818 15 49 54.98 +61 03 12.9 19.7 VrEM001703
K12L09L C2012 06 13.30400 15 49 53.68 +61 03 20.5 21.6 VrEM001703
K12L09L C2012 06 13.30990 15 49 52.39 +61 03 23.5 20.5 VrEM001703
K12L09L C2012 06 13.31575 15 49 51.13 +61 03 28.6 20.1 VrEM001703
K12L09L KC2012 06 13.90110 15 47 43.63 +61 10 51.7 20.2 RvEM001B18
K12L09L KC2012 06 13.90533 15 47 42.72 +61 10 54.7 20.2 RvEM001B18
K12L09L KC2012 06 13.90617 15 47 43.49 +61 10 56.8 19.8 VvEM001I93
K12L09L KC2012 06 13.90955 15 47 41.77 +61 10 58.1 20.1 RvEM001B18
K12L09L KC2012 06 13.91411 15 47 41.61 +61 11 02.4 20.0 VvEM001I93
K12L09L KC2012 06 13.92277 15 47 39.68 +61 11 09.4 19.5 VvEM001I93
K12L09L KC2012 06 13.92387 15 47 39.44 +61 11 08.6 uEM001J95
K12L09L KC2012 06 13.93334 15 47 37.27 +61 11 14.9 uEM001J95
K12L09L KC2012 06 13.94274 15 47 35.17 +61 11 22.1 19.7 RuEM001J95
K12L09L IC2012 06 14.11477315 46 57.71 +61 13 33.2 20.0 VcEM001H21
K12L09L IC2012 06 14.12150915 46 56.36 +61 13 37.6 19.9 VcEM001H21
K12L09L IC2012 06 14.12845715 46 54.71 +61 13 43.4 cEM001H21
K12L09L |C2012 06 14.18509 15 46 42.16 +61 14 26.7 19.5 VcEM001H06
K12L09L |C2012 06 14.18733 15 46 41.63 +61 14 28.7 19.7 VcEM001H06
K12L09L |C2012 06 14.18957 15 46 41.10 +61 14 30.3 19.6 VcEM001H06
K12L09L |C2012 06 14.19182 15 46 40.55 +61 14 31.7 19.9 VcEM001H06
K12L09L C2012 06 14.20149 15 46 38.31 +61 14 39.1 19.4 RoEM001H01
K12L09L C2012 06 14.20993 15 46 36.34 +61 14 45.4 19.4 RoEM001H01
K12L09L C2012 06 14.22448 15 46 32.96 +61 14 56.2 19.4 RoEM001H01
K12L09L C2012 06 14.23541 15 46 30.43 +61 15 04.2 19.5 RoEM001H01
K12L09L KC2012 06 14.90357 15 44 00.49 +61 23 06.1 19.4 RcEM001A24
K12L09L KC2012 06 14.90931 15 43 59.15 +61 23 10.2 19.3 RcEM001A24
K12L09L KC2012 06 14.91504 15 43 57.70 +61 23 14.2 19.6 RcEM001A24
K12L09L C2012 06 14.99825 15 43 37.98 +61 24 10.4 19.5 RoEM001461
K12L09L C2012 06 14.99988 15 43 37.57 +61 24 11.8 19.4 RoEM001461
K12L09L C2012 06 15.00150 15 43 37.19 +61 24 12.9 19.6 RoEM001461
K12L09L C2012 06 15.00314 15 43 36.79 +61 24 14.0 19.6 RoEM001461
K12L09L C2012 06 15.00477 15 43 36.49 +61 24 14.5 19.6 RoEM001461
K12L09L KC2012 06 15.04625 15 43 26.78 +61 24 44.4 19.6 RuEM001B33
K12L09L KC2012 06 15.05549 15 43 24.83 +61 24 50.6 19.5 RuEM001B33
K12L09L KC2012 06 15.19279715 42 54.30 +61 26 32.2 20.3 VcEM001H21
K12L09L KC2012 06 15.20852515 42 50.53 +61 26 42.5 20.3 VcEM001H21
K12L09L C2012 06 15.22803 15 42 46.30 +61 26 58.5 19.3 RoEM001H01
K12L09L C2012 06 15.24032 15 42 43.34 +61 27 07.0 19.5 RoEM001H01
K12L09L C2012 06 15.24556 15 42 42.08 +61 27 10.6 19.4 RoEM001H01
K12L09L C2012 06 15.25082 15 42 40.82 +61 27 14.2 19.4 RoEM001H01
K12L09L KC2012 06 15.88267 15 40 14.43 +61 34 25.8 uEM001104
K12L09L KC2012 06 15.88555 15 40 13.80 +61 34 28.2 uEM001104
K12L09L KC2012 06 15.88878 15 40 13.05 +61 34 30.6 19.4 RuEM001104
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, S. Vergari. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4 reflector + CCD.
461 University of Szeged, Piszkesteto Stn. (Konkoly). Observer K. Sarneczky.
0.60-m Schmidt + CCD.
703 Catalina Sky Survey. Observer A. Boattini. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.68-m f/1.8 Schmidt +
CCD.
A24 New Millennium Observatory, Mozzate. Observer E. Cozzi. 0.36-m f/11
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.
B33 Libbiano Observatory, Peccioli. Observers P. Bacci, F. Biasci,
D. Antonacci. Measurer P. Bacci. 0.5-m f/10 Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H06 RAS Observatory, Mayhill. Observer H. Sato. 0.51-m f/6.8 astrograph
+ CCD + f/4.5 focal reducer.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov. 0.61-m f/4.0
astrograph + CCD, 0.81-m f/4.0 astrograph + 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 LL9 Earth MOID = 0.2301 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 327.30719 (2000.0) P Q
n 0.21174387 Peri. 205.75463 +0.84975493 +0.28416931
a 2.7878034 Node 129.93112 -0.32494584 +0.94558506
e 0.7345379 Incl. 35.38438 -0.41512259 -0.15848249
P 4.65 H 18.5 G 0.15 U 8
Residuals in seconds of arc
120613 703 2.5+ 1.2+ 120613 J95 0.1- 0.3- 120614 461 0.2- 0.2+
120613 703 1.6- 0.8- 120614 H21 0.7- 0.3+ 120615 461 0.3- 0.2+
120613 703 0.3+ 0.5+ 120614 H21 0.7+ 0.4- 120615 461 0.4- 0.2+
120613 703 0.9- 0.4+ 120614 H21 0.4+ 0.1+ 120615 461 0.2+ 0.4-
120613 703 0.1- 2.4- 120614 H06 0.7+ 0.1- 120615 B33 0.4- 0.0
120613 703 0.0 0.8+ 120614 H06 0.6+ 0.3+ 120615 B33 1.1+ 0.1+
120613 703 0.2+ 0.6- 120614 H06 0.5+ 0.2+ 120615 H21 0.6+ 0.0
120613 703 0.6+ 0.2+ 120614 H06 0.3+ 0.1- 120615 H21 0.5+ 0.5-
120613 B18 0.3- 0.0 120614 H01 0.0 0.3+ 120615 H01 0.0 0.3+
120613 B18 0.1+ 0.0 120614 H01 0.1- 0.3+ 120615 H01 0.1- 0.2+
120613 I93 0.0 0.3+ 120614 H01 0.2- 0.3+ 120615 H01 0.1- 0.2+
120613 B18 0.1+ 0.3+ 120614 H01 0.1- 0.2+ 120615 H01 0.1- 0.2+
120613 I93 0.5- 0.1- 120614 A24 0.5+ 0.2- 120615 104 0.7- 0.6-
120613 I93 0.1- 0.4+ 120614 A24 0.6+ 0.2- 120615 104 0.2- 0.1-
120613 J95 0.2- 0.4+ 120614 A24 0.1- 0.2- 120615 104 0.1+ 0.1+
120613 J95 0.3- 0.4- 120614 461 0.0 0.1-
Ephemeris:
2012 LL9 a,e,i = 2.79, 0.73, 35 q = 0.7401
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 05 17 16 50 54.0 +52 10 03 0.9107 1.5428 106.7 38.9 20.8
...
2012 06 01 16 25 48.0 +57 42 59 0.7706 1.3779 100.2 46.4 20.4
...
2012 06 09 16 04 17.1 +60 02 20 0.6956 1.2888 96.0 51.6 20.2
...
2012 06 15 15 43 38.7 +61 24 11 0.6381 1.2220 92.4 56.2 20.0
2012 06 16 15 39 47.1 +61 35 41 0.6283 1.2108 91.8 57.0 20.0
2012 06 17 15 35 47.7 +61 46 31 0.6185 1.1997 91.1 57.9 19.9
...
2012 06 23 15 08 54.5 +62 36 51 0.5585 1.1335 87.0 63.6 19.8
...
2012 07 01 14 23 11.9 +62 56 18 0.4750 1.0470 80.3 73.2 19.5
...
2012 07 16 12 06 59.7 +57 42 18 0.3164 0.8978 59.4 102.9 19.5
(Last issue was M.P.E.C. 2012-L46)
Gareth V. Williams (C) Copyright 2012 MPC M.P.E.C. 2012-M01
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