MPEC 2012-G36 : COMET P/2011 FR143 (LEMMON)
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M.P.E.C. 2012-G36 Issued 2012 Apr. 13, 16:32 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
COMET P/2011 FR143 (LEMMON)
Observations:
PK11FE3R C2011 03 05.27253 12 16 22.21 -06 08 45.8 20.4 NoEG036691
PK11FE3R C2011 03 05.29020 12 16 21.87 -06 08 39.4 20.7 NoEG036691
PK11FE3R C2011 03 05.30788 12 16 21.42 -06 08 32.9 20.8 NoEG036691
PK11FE3R C2011 03 09.26220 12 14 54.26 -05 45 33.7 21.0 NoEG036691
PK11FE3R C2011 03 09.27987 12 14 53.88 -05 45 27.5 20.3 NoEG036691
PK11FE3R C2011 03 09.29755 12 14 53.44 -05 45 21.6 20.2 NoEG036691
PK11FE3R C2011 03 29.40540 12 06 23.54 -03 33 06.0 19.4 NrEG036G96
PK11FE3R C2011 03 29.41100 12 06 23.40 -03 33 03.6 19.5 NrEG036G96
PK11FE3R C2011 03 29.41655 12 06 23.25 -03 33 01.4 19.4 NrEG036G96
PK11FE3R C2011 03 31.36388 12 05 33.813-03 19 39.77 20.3 NLEG036F51
PK11FE3R C2011 03 31.37945 12 05 33.409-03 19 33.40 20.2 NLEG036F51
PK11FE3R C2011 03 31.39601 12 05 32.973-03 19 26.53 20.2 NLEG036F51
PK11FE3R C2011 03 31.41153 12 05 32.564-03 19 20.20 20.1 NLEG036F51
PK11FE3R C2011 04 05.17938 12 03 35.44 -02 46 56.3 18.7 N EG036G92
PK11FE3R C2011 04 05.19093 12 03 35.19 -02 46 51.7 19.0 N EG036G92
PK11FE3R C2011 04 05.20248 12 03 34.87 -02 46 46.9 19.0 N EG036G92
PK11FE3R C2011 04 05.21398 12 03 34.69 -02 46 42.6 18.0 N EG036G92
PK11FE3R |C2011 04 11.34634 12 01 16.96 -02 06 15.9 oEG036H06
PK11FE3R |C2011 04 11.35015 12 01 16.86 -02 06 14.4 oEG036H06
PK11FE3R |C2011 04 11.35396 12 01 16.77 -02 06 13.0 18.8 NoEG036H06
PK11FE3R |C2011 04 12.21270 12 00 59.17 -02 00 43.2 oEG036H06
PK11FE3R |C2011 04 12.21744 12 00 59.08 -02 00 41.4 oEG036H06
PK11FE3R |C2011 04 12.22218 12 00 58.96 -02 00 39.2 18.8 NoEG036H06
PK11FE3R C2011 04 13.20462 12 00 39.20 -01 54 25.7 19.2 NrEG036G96
PK11FE3R C2011 04 13.21201 12 00 39.06 -01 54 22.9 19.1 NrEG036G96
PK11FE3R C2011 04 13.21934 12 00 38.91 -01 54 20.1 19.2 NrEG036G96
PK11FE3R C2011 04 13.22678 12 00 38.73 -01 54 17.5 19.3 NrEG036G96
PK11FE3R C2011 04 26.17968 11 57 17.60 -00 39 28.3 18.5 NrEG036703
PK11FE3R C2011 04 26.18873 11 57 17.49 -00 39 25.0 19.0 NrEG036703
PK11FE3R C2011 04 26.19793 11 57 17.31 -00 39 21.4 19.3 NrEG036703
PK11FE3R C2011 04 26.20708 11 57 17.24 -00 39 19.5 18.7 NrEG036703
PK11FE3R C2011 04 26.21735 11 57 17.17 -00 39 17.3 18.9 NrEG036G96
PK11FE3R C2011 04 26.22428 11 57 17.10 -00 39 15.1 18.9 NrEG036G96
PK11FE3R C2011 04 26.23127 11 57 16.99 -00 39 13.0 18.8 NrEG036G96
PK11FE3R C2011 04 26.23829 11 57 16.92 -00 39 10.8 18.9 NrEG036G96
PK11FE3R C2011 04 26.24779 11 57 16.80 -00 39 08.2 19.6 NcEG036704
PK11FE3R C2011 04 26.25857 11 57 16.73 -00 39 04.2 19.6 NcEG036704
PK11FE3R C2011 04 26.28039 11 57 16.44 -00 38 57.6 19.6 NcEG036704
PK11FE3R C2011 04 26.29122 11 57 16.29 -00 38 53.2 19.4 NcEG036704
PK11FE3R FC2012 03 29.10469 16 34 59.25 -08 26 59.1 20.3 TtEG036204
PK11FE3R KC2012 03 29.13408 16 34 59.27 -08 26 50.9 tEG036204
PK11FE3R {C2012 03 29.47684316 35 00.033-08 25 22.47 20.9 TtEG036695
PK11FE3R {C2012 03 29.48527516 35 00.039-08 25 20.45 21.4 TtEG036695
PK11FE3R {C2012 03 31.46306116 35 02.162-08 16 46.10 20.7 TtEG036695
PK11FE3R {C2012 03 31.47100416 35 02.164-08 16 43.94 20.8 TtEG036695
PK11FE3R {C2012 03 31.47888916 35 02.168-08 16 42.88 20.8 TtEG036695
PK11FE3R {C2012 03 31.48675316 35 02.178-08 16 40.30 21.2 TtEG036695
PK11FE3R KC2012 04 06.38673016 34 47.02 -07 50 40.1 20.4 TrEG036H21
PK11FE3R KC2012 04 06.39934716 34 46.93 -07 50 37.1 20.2 TrEG036H21
PK11FE3R KC2012 04 06.41196416 34 46.87 -07 50 33.8 20.2 TrEG036H21
PK11FE3R 7C2012 04 11.56770 16 34 08.24 -07 27 28.8 tEG036F65
PK11FE3R 7C2012 04 11.57492 16 34 08.17 -07 27 27.1 20.7 TtEG036F65
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. Measurers L. Buzzi,
S. Foglia. 0.38-m f/6.8 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi, R. S. McMillan.
0.9-m Spacewatch telescope.
695 Kitt Peak. Observer T. Vorobjov. 1.3-m f/13 Cassegrain + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
0.68-m f/1.8 Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres, R.
Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
F65 Haleakala-Faulkes Telescope North. Observers P. Miller, P. Roche,
A. Tripp, R. Miles, R. Holmes, S. Foglia, L. Buzzi. Measurers L. Buzzi,
S. Foglia. 2.0-m f/10 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, S. Watters, J.
Thiel, T. Goggia. Measurer PS1 Science Consortium. 1.8-m
Ritchey-Chretien + CCD.
G92 Jarnac Observatory, Vail. Observer T. Glinos. 0.64-m f/7.2
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers R. E. Hill, R. A. Kowalski, A. R. Gibbs.
Measurers J. D. Ahern, E. C. Beshore, A. Boattini, G. J. Garradd,
A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson,
R. H. McNaught. 1.5-m reflector + CCD.
H06 RAS Observatory, Mayhill. Observer H. Sato. 0.50-m f/6.8 reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov. 0.81-m f/4.0
astrograph + CCD.
Orbital elements:
P/2011 FR143 (Lemmon)
Epoch 2011 Mar. 20.0 TT = JDT 2455640.5
T 2011 Mar. 10.74431 TT MPC
q 3.7355809 (2000.0) P Q
n 0.05522767 Peri. 349.94149 -0.99856263 +0.00952153
a 6.8291225 Node 191.02265 -0.00237615 -0.99099076
e 0.4529925 Incl. 16.01362 -0.05354457 -0.13359141
P 17.8
From 52 observations 2011 Mar. 5-2012 Apr. 11, mean residual 0".4.
Ephemeris:
P/2011 FR143 (Lemmon)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2012 03 14 16 32 37.4 -09 28 02 3.9384 4.3094 105.3 12.9 20.9
...
2012 03 29 16 34 59.0 -08 27 24 3.7749 4.3510 119.3 11.5 20.8
...
2012 04 06 16 34 49.0 -07 52 22 3.6993 4.3735 126.9 10.5 20.7
...
2012 04 12 16 34 03.9 -07 25 31 3.6496 4.3906 132.6 9.7 20.7
2012 04 13 16 33 53.4 -07 21 01 3.6419 4.3935 133.6 9.5 20.6
2012 04 14 16 33 42.0 -07 16 31 3.6345 4.3963 134.5 9.4 20.6
...
2012 04 20 16 32 16.6 -06 49 40 3.5941 4.4136 140.2 8.4 20.6
...
2012 04 28 16 29 41.0 -06 14 45 3.5529 4.4368 147.7 7.0 20.5
...
2012 05 13 16 23 11.3 -05 15 40 3.5189 4.4808 159.8 4.5 20.4
Gareth V. Williams (C) Copyright 2012 MPC M.P.E.C. 2012-G36
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