MPEC 2008-N18 : COMET C/2008 FK75 (LEMMON-SIDING SPRING)
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M.P.E.C. 2008-N18 Issued 2008 July 7, 15:30 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 http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2008 FK75 (LEMMON-SIDING SPRING)
Observations:
CK08F75K C2008 03 31.36399 14 23 35.91 -18 29 08.0 18.9 T EN018703
CK08F75K C2008 03 31.37132 14 23 35.70 -18 29 06.2 19.4 T EN018703
CK08F75K C2008 03 31.37863 14 23 35.55 -18 29 05.1 20.0 T EN018703
CK08F75K C2008 03 31.38595 14 23 35.37 -18 29 02.0 19.5 T EN018703
CK08F75K C2008 03 31.39920 14 23 35.16 -18 28 59.3 19.4 T EN018G96
CK08F75K C2008 03 31.40479 14 23 35.05 -18 28 58.0 19.2 T EN018G96
CK08F75K C2008 03 31.41041 14 23 34.98 -18 28 56.9 19.3 T EN018G96
CK08F75K C2008 03 31.41603 14 23 34.83 -18 28 55.2 19.3 T EN018G96
CK08F75K C2008 04 01.40145 14 23 16.40 -18 25 03.0 19.1 T EN018G96
CK08F75K C2008 04 01.40633 14 23 16.29 -18 25 01.7 19.2 T EN018G96
CK08F75K C2008 04 01.41121 14 23 16.18 -18 25 00.5 19.3 T EN018G96
CK08F75K C2008 04 01.41606 14 23 16.11 -18 24 59.2 19.3 T EN018G96
CK08F75K C2008 04 14.37604 14 18 49.50 -17 30 07.9 19.4 T EN018703
CK08F75K C2008 04 14.38439 14 18 49.28 -17 30 07.3 19.4 T EN018703
CK08F75K C2008 04 14.39271 14 18 49.17 -17 30 02.3 19.4 T EN018703
CK08F75K C2008 04 14.40102 14 18 48.85 -17 30 00.6 18.8 T EN018703
CK08F75K C2008 04 25.29559 14 14 43.11 -16 39 32.6 18.8 T EN018G96
CK08F75K C2008 04 25.30157 14 14 42.97 -16 39 30.7 18.8 T EN018G96
CK08F75K C2008 04 25.30757 14 14 42.82 -16 39 29.0 18.9 T EN018G96
CK08F75K C2008 04 25.31355 14 14 42.68 -16 39 27.4 18.9 T EN018G96
CK08F75K C2008 05 02.29647 14 12 02.16 -16 05 45.5 19.1 T EN018703
CK08F75K C2008 05 02.30313 14 12 02.01 -16 05 43.2 18.9 T EN018703
CK08F75K C2008 05 02.30984 14 12 01.90 -16 05 41.6 18.8 T EN018703
CK08F75K C2008 05 02.31656 14 12 01.69 -16 05 40.0 19.1 T EN018703
CK08F75K C2008 07 01.43226 13 56 58.34 -11 44 19.0 18.9 T EN018E12
CK08F75K C2008 07 01.44228 13 56 58.30 -11 44 16.6 19.2 T EN018E12
CK08F75K C2008 07 01.46229 13 56 58.23 -11 44 12.4 19.0 T EN018E12
CK08F75K C2008 07 01.49251 13 56 58.11 -11 44 06.4 19.0 T EN018E12
CK08F75K C2008 07 01.49640 13 56 58.11 -11 44 06.5 18.9 T EN018E12
CK08F75K C2008 07 01.50028 13 56 58.13 -11 44 05.3 18.9 T EN018E12
CK08F75K C2008 07 01.50414 13 56 58.10 -11 44 05.0 18.7 T EN018E12
CK08F75K C2008 07 01.89082913 56 57.08 -11 42 52.8 19.3 T EN018B03
CK08F75K C2008 07 01.90574113 56 57.12 -11 42 50.6 19.1 T EN018B03
CK08F75K C2008 07 02.11557 13 56 56.54 -11 42 10.1 18.3 T EN018850
CK08F75K C2008 07 02.13759213 56 56.48 -11 42 06.3 19.5 T EN018H55
CK08F75K C2008 07 02.14430913 56 56.48 -11 42 04.7 19.2 T EN018H55
CK08F75K C2008 07 02.14566 13 56 56.47 -11 42 04.9 17.9 T EN018850
CK08F75K C2008 07 02.15312913 56 56.42 -11 42 03.3 19.3 T EN018H55
CK08F75K 5C2008 07 03.17141 13 56 54.25 -11 38 52.6 18.9 T EN018673
CK08F75K 5C2008 07 03.18310 13 56 54.22 -11 38 50.6 EN018673
CK08F75K 5C2008 07 03.20301 13 56 54.18 -11 38 47.0 EN018673
CK08F75K 5C2008 07 03.21563 13 56 54.15 -11 38 44.6 EN018673
CK08F75K C2008 07 03.24404 13 56 54.06 -11 38 37.5 19.8 T EN018F85
CK08F75K C2008 07 03.29017 13 56 53.98 -11 38 30.2 19.3 T EN018F85
CK08F75K C2008 07 03.35394 13 56 53.92 -11 38 18.0 19.3 T EN018E12
CK08F75K C2008 07 03.35482 13 56 53.91 -11 38 17.6 19.2 T EN018E12
CK08F75K C2008 07 03.35568 13 56 53.89 -11 38 17.0 18.8 T EN018E12
CK08F75K C2008 07 03.35656 13 56 53.89 -11 38 17.0 19.0 T EN018E12
CK08F75K C2008 07 04.15044 13 56 52.55 -11 35 52.9 18.5 T EN018734
CK08F75K C2008 07 04.16117 13 56 52.51 -11 35 50.9 19.0 T EN018734
CK08F75K C2008 07 04.36111 13 56 52.275-11 35 13.71 19.1 T EN018E12
CK08F75K C2008 07 04.89268 13 56 51.57 -11 33 38.4 19.1 T EN018204
CK08F75K C2008 07 04.91702 13 56 51.56 -11 33 34.7 EN018204
CK08F75K C2008 07 04.91957 13 56 51.53 -11 33 32.4 19.1 T EN018I77
CK08F75K C2008 07 04.95681 13 56 51.47 -11 33 26.1 19.2 T EN018I77
CK08F75K C2008 07 04.99405 13 56 51.41 -11 33 19.5 18.5 T EN018I77
CK08F75K C2008 07 05.12970 13 56 51.35 -11 32 55.9 EN018H55
CK08F75K C2008 07 05.13868 13 56 51.33 -11 32 54.3 EN018H55
CK08F75K C2008 07 05.14155 13 56 51.33 -11 32 54.2 18.9 T EN018734
CK08F75K C2008 07 05.14765 13 56 51.32 -11 32 52.7 19.6 T EN018H55
CK08F75K C2008 07 05.14863 13 56 51.33 -11 32 52.9 19.1 T EN018734
CK08F75K C2008 07 05.35725 13 56 51.17 -11 32 14.4 EN018E12
CK08F75K C2008 07 06.10961 13 56 50.66 -11 30 02.2 19.1 T EN018H55
CK08F75K C2008 07 06.11690 13 56 50.65 -11 30 01.0 19.4 T EN018H55
CK08F75K C2008 07 06.12324 13 56 50.64 -11 29 59.8 19.6 T EN018H55
CK08F75K C2008 07 06.44283 13 56 50.49 -11 29 02.1 19.0 T EN018E12
CK08F75K 5C2008 07 07.19028 13 56 50.39 -11 26 52.9 19.1 T EN018673
CK08F75K 5C2008 07 07.19653 13 56 50.40 -11 26 51.8 EN018673
CK08F75K 5C2008 07 07.20278 13 56 50.42 -11 26 50.9 EN018673
CK08F75K 5C2008 07 07.20903 13 56 50.43 -11 26 49.8 EN018673
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.36-m f/7.6
Schmidt-Cassegrain + CCD, 0.60-m f/4.64 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observers J. Young, M. Hicks.
Measurer J. Young. 0.61-m f/16 Cassegrain + CCD.
703 Catalina Sky Survey. Observer A. R. Gibbs. Measurers 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. 0.68-m f/1.8 Schmidt + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.7-m reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, B. R. Owuor,
R. W. Enoch, S. Veselovskyi, R. M. Phillips. 0.30-m f/2.5
Schmidt-Cassegrain + 765x510 CCD.
B03 Alter Satzberg, Vienna. Observer M. Pietschnig. 0.35-m f/5.8
Schmidt-Cassegrain + CCD.
E12 Siding Spring Survey. Observers G. J. Garradd, R. H. McNaught. Measurers
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. 0.5-m Uppsala
Schmidt + CCD.
F85 Tiki Observatory, Punaauia. Observer N. Teamo. Measurer J. C. Pelle.
0.41-m f/8.0 Ritchey-Chretien + 3056x3056 CCD.
G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers 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.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurers H. Devore, R. Holmes. 0.61-m f/4.0 astrograph + CCD, 0.81-m
f/4.0 astrograph + CCD.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.30-m f/3.0 reflector + CCD.
Orbital elements:
C/2008 FK75
T 2010 Sept. 30.8879 TT MPC
q 4.524280 (2000.0) P Q
Peri. 80.3140 +0.1617103 +0.8242904
Node 218.2486 -0.7812182 +0.4428639
e 1.0 Incl. 61.2159 +0.6029494 +0.3527279
From 70 observations 2008 Mar. 31-July 7.
Ephemeris:
C/2008 FK75 (Lemmon-Siding Spring)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 07 03 13 56.91 -11 39.4 7.305 7.711 109.9 7.1 18.2
2008 07 13 13 56.98 -11 11.1 7.408 7.655 100.3 7.5 18.2
2008 07 23 13 57.87 -10 48.0 7.517 7.599 90.8 7.7 18.2
2008 08 02 13 59.54 -10 30.0 7.625 7.543 81.5 7.6 18.2
2008 08 12 14 01.97 -10 16.8 7.730 7.487 72.4 7.4 18.2
2008 08 22 14 05.10 -10 07.8 7.827 7.431 63.5 7.0 18.2
2008 09 01 14 08.87 -10 02.5 7.912 7.375 54.7 6.4 18.2
2008 09 11 14 13.23 -10 00.2 7.982 7.320 46.1 5.7 18.2
2008 09 21 14 18.10 -10 00.2 8.035 7.264 37.5 4.8 18.1
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-N18
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