MPEC 2008-S47 : COMET 205P/GIACOBINI
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M.P.E.C. 2008-S47 Issued 2008 Sept. 24, 16:45 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 205P/GIACOBINI
Observations:
0205P a C2008 09 22.12594 20 56 42.40 -05 48 50.2 15.3 N ES047H47
0205P a C2008 09 22.13466 20 56 43.22 -05 49 00.5 15.4 N ES047H47
0205P a C2008 09 22.14356 20 56 44.13 -05 49 13.1 15.4 N ES047H47
0205P a C2008 09 22.42417 20 57 12.61 -05 55 00.1 15.8 N ES047467
0205P a C2008 09 22.42553 20 57 12.75 -05 55 01.6 15.8 N ES047467
0205P a C2008 09 22.42690 20 57 12.88 -05 55 03.5 15.8 N ES047467
0205P a C2008 09 22.51764 20 57 22.34 -05 57 16.5 ES047367
0205P a C2008 09 22.52030 20 57 22.62 -05 57 19.6 ES047367
0205P a C2008 09 22.52363 20 57 22.91 -05 57 22.8 14.8 N ES047352
0205P a C2008 09 22.53032 20 57 23.56 -05 57 32.1 ES047352
0205P a C2008 09 22.54615 20 57 25.04 -05 57 51.3 ES047D88
0205P a C2008 09 22.54794 20 57 25.25 -05 57 54.5 ES047D88
0205P a C2008 09 22.54973 20 57 25.48 -05 57 56.5 14.1 T ES047D88
0205P a C2008 09 22.55849 20 57 26.38 -05 58 08.9 14.0 T ES047367
0205P a C2008 09 22.58075 20 57 28.50 -05 58 36.6 ES047900
0205P a C2008 09 22.58694 20 57 29.11 -05 58 44.7 15.8 N ES047900
0205P a C2008 09 22.81214 20 57 53.02 -06 03 33.3 15.1 N ES047J79
0205P a C2008 09 22.81441 20 57 53.18 -06 03 36.1 15.1 N ES047J79
0205P a C2008 09 22.83451 20 57 55.16 -06 04 01.9 15.1 N ES047J79
0205P a C2008 09 22.96012 20 58 07.69 -06 06 41.3 15.1 N ES047J47
0205P a C2008 09 22.96471 20 58 08.15 -06 06 47.1 14.9 N ES047J47
0205P a C2008 09 22.96743 20 58 08.45 -06 06 50.3 15.3 N ES047J47
0205P a C2008 09 22.97023 20 58 08.71 -06 06 53.8 15.0 N ES047J47
0205P a C2008 09 23.03847 20 58 16.41 -06 08 22.4 15.0 N ES047850
0205P a C2008 09 23.05336 20 58 18.00 -06 08 41.8 15.4 N ES047850
0205P a C2008 09 23.06830 20 58 19.45 -06 09 00.2 16.1 N ES047850
0205P a C2008 09 23.08334 20 58 20.89 -06 09 19.4 14.8 N ES047850
0205P a C2008 09 23.48512 20 59 02.49 -06 17 48.1 16.2 N ES047379
0205P a C2008 09 23.48697 20 59 02.68 -06 17 50.6 16.1 N ES047379
0205P a C2008 09 23.48883 20 59 02.88 -06 17 53.3 16.1 N ES047379
0205P a C2008 09 23.51112 20 59 05.08 -06 18 21.0 16.1 N ES047379
0205P a C2008 09 23.51297 20 59 05.27 -06 18 23.1 16.1 N ES047379
0205P a C2008 09 23.51483 20 59 05.48 -06 18 25.6 16.0 N ES047379
0205P a C2008 09 23.83890 20 59 39.68 -06 25 15.6 ES047J95
0205P a C2008 09 23.86666 20 59 42.40 -06 25 48.4 ES047J20
0205P a C2008 09 23.87272 20 59 42.97 -06 25 56.9 ES047J20
0205P a C2008 09 23.93121 20 59 49.02 -06 27 11.2 15.4 N ES047J95
0205P a C2008 09 23.93882 20 59 49.81 -06 27 17.2 15.9 N ES047J47
0205P a C2008 09 23.94709 20 59 50.65 -06 27 27.2 15.9 N ES047J47
0205P a C2008 09 23.95508 20 59 51.45 -06 27 38.2 15.9 N ES047J40
0205P a C2008 09 23.95616 20 59 51.59 -06 27 38.7 15.9 N ES047J47
0205P a C2008 09 23.95623 20 59 51.56 -06 27 39.3 16.1 N ES047J40
0205P a C2008 09 23.97228 20 59 53.18 -06 27 58.7 15.9 N ES047J47
0205P a C2008 09 23.97835 20 59 53.80 -06 28 06.8 15.8 N ES047J40
0205P a C2008 09 24.14478 21 00 11.57 -06 31 35.4 15.8 N ES047850
0205P a C2008 09 24.18053 21 00 15.18 -06 32 19.5 15.9 N ES047850
0205P a C2008 09 24.21628 21 00 18.83 -06 33 04.0 16.1 N ES047850
0205P b C2008 09 17.09521 20 48 29.80 -03 55 45.9 18.9 N ES047850
0205P b C2008 09 17.11130 20 48 30.86 -03 56 11.9 18.7 N ES047850
0205P b C2008 09 19.06558 20 51 35.01 -04 41 10.7 19.6 N ES047850
0205P b C2008 09 19.08058 20 51 36.63 -04 41 29.5 19.5 N ES047850
0205P b C2008 09 19.09553 20 51 37.81 -04 41 49.9 19.3 N ES047850
0205P b C2008 09 19.11428 20 51 39.46 -04 42 17.4 18.0 N ES047850
0205P b C2008 09 22.09748 20 56 34.80 -05 48 23.0 18.4 N ES047850
0205P b C2008 09 22.11237 20 56 36.14 -05 48 42.3 19.4 N ES047850
0205P b C2008 09 22.12726 20 56 37.57 -05 49 01.2 19.5 N ES047850
0205P b C2008 09 22.14217 20 56 39.34 -05 49 19.2 19.1 N ES047850
0205P b C2008 09 22.15710 20 56 40.70 -05 49 39.4 18.4 N ES047850
0205P b C2008 09 22.17205 20 56 41.97 -05 49 58.2 19.7 N ES047850
0205P b C2008 09 22.18241 20 56 43.38 -05 50 12.1 18.6 T ES047673
0205P b C2008 09 22.22153 20 56 47.23 -05 51 03.3 ES047673
0205P b C2008 09 22.23762 20 56 48.80 -05 51 23.8 ES047673
0205P b C2008 09 22.24931 20 56 49.90 -05 51 39.2 ES047673
0205P b C2008 09 22.26181 20 56 51.16 -05 51 55.5 ES047673
0205P b C2008 09 22.27546 20 56 52.50 -05 52 13.4 ES047673
0205P b C2008 09 23.04964 20 58 12.84 -06 08 45.0 19.6 N ES047850
0205P b C2008 09 23.07582 20 58 15.62 -06 09 17.2 20.9 N ES047850
0205P b C2008 09 23.13692 20 58 21.72 -06 10 35.8 18.8 T ES047673
0205P b C2008 09 23.14641 20 58 22.68 -06 10 48.2 ES047673
0205P b C2008 09 23.16042 20 58 24.06 -06 11 05.7 ES047673
0205P b C2008 09 23.16564 20 58 24.35 -06 11 11.4 20.1 N ES047850
0205P b C2008 09 23.17488 20 58 25.49 -06 11 24.4 ES047673
0205P b C2008 09 23.18461 20 58 26.42 -06 11 36.8 ES047673
0205P b C2008 09 23.19546 20 58 27.26 -06 11 51.0 20.5 N ES047850
0205P b C2008 09 23.19850 20 58 27.81 -06 11 54.3 ES047673
0205P b C2008 09 23.83890 20 59 34.88 -06 25 23.9 19.1 N ES047J95
0205P b C2008 09 23.84257 20 59 35.41 -06 25 27.7 20.8 T ES047J87
0205P b C2008 09 23.84878 20 59 35.86 -06 25 35.2 20.8 T ES047J87
0205P b C2008 09 23.85496 20 59 36.49 -06 25 42.6 19.8 T ES047J87
0205P b C2008 09 23.93882 20 59 45.08 -06 27 23.4 19.9 N ES047J47
0205P b C2008 09 23.94709 20 59 45.92 -06 27 37.1 19.9 N ES047J47
0205P b C2008 09 23.95616 20 59 46.75 -06 27 47.2 19.8 N ES047J47
0205P b C2008 09 24.14478 21 00 07.08 -06 31 43.5 19.6 N ES047850
0205P b C2008 09 24.18053 21 00 10.57 -06 32 28.4 19.5 N ES047850
0205P c C2008 09 19.09928 20 50 57.35 -04 42 56.5 19.5 N ES047850
0205P c C2008 09 19.11428 20 50 58.64 -04 43 18.2 20.5 N ES047850
0205P c C2008 09 22.09748 20 55 55.27 -05 49 14.3 19.2 N ES047850
0205P c C2008 09 22.11237 20 55 56.58 -05 49 32.9 20.1 N ES047850
0205P c C2008 09 22.12726 20 55 58.33 -05 49 55.6 19.2 N ES047850
0205P c C2008 09 22.14217 20 55 59.77 -05 50 14.7 20.3 N ES047850
0205P c C2008 09 22.15710 20 56 01.18 -05 50 32.8 20.1 N ES047850
0205P c C2008 09 22.17205 20 56 02.56 -05 50 52.1 20.3 N ES047850
0205P c C2008 09 23.15070 20 57 43.57 -06 11 45.1 19.6 N ES047850
0205P c C2008 09 23.18057 20 57 47.26 -06 12 21.7 20.8 N ES047850
0205P c C2008 09 24.10903 20 59 24.36 -06 31 45.0 20.0 N ES047850
0205P c C2008 09 24.14478 20 59 28.13 -06 32 33.4 19.6 N ES047850
0205P c C2008 09 24.18053 20 59 31.53 -06 33 19.2 19.6 N ES047850
0205P c C2008 09 24.21628 20 59 34.95 -06 34 01.8 20.1 N ES047850
Observer details:
352 Konan. Observer M. Hotta. 0.25-m f/6 reflector + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
379 Hamamatsu-Yuto. Observer S. Wakuda. 0.25-m f/5.0 Schmidt-Cassegrain
+ CCD.
467 Auckland Observatory. Observers G. W. Christie, T. Natusch. Measurer
G. W. Christie. 0.40-m f/10 Schmidt-Cassegrain + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, J. M.
Sherna, K. N. Hatchett, M. H. McManus. 0.30-m f/2.5 Schmidt-Cassegrain
+ CCD. See also IAUC 8978.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
D88 Hiratsuka. Observer Y. Sugiyama. 0.25-m f/5.0 reflector + CCD.
H47 Vicksburg. Observer C. Bell. 0.3-m f/5.9 Schmidt-Cassegrain + CCD.
J20 Aravaca. Observer K. W. Wierzchos. 0.20-m Schmidt-Cassegrain + CCD.
J40 Malaga. Observer J. M. Ruiz M. 0.20-m f/5 Newtonian reflector + CCD.
J47 Observatorio Nazaret. Observer G. Muler. 0.30-m Schmidt-Cassegrain + CCD.
J79 Observatorio Calarreona, Aguilas. Observer F. Montalban. 0.25-m f/10
Schmidt-Cassegrain + CCD.
J87 La Canada. Observer J. Lacruz. 0.40-m Ritchey-Chretien + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
205P/Giacobini A
Epoch 2008 Sept. 11.0 TT = JDT 2454720.5
T 2008 Sept. 10.06550 TT MPC
q 1.5263869 (2000.0) P Q
n 0.14800643 Peri. 154.23384 +0.89785767 +0.44028253
a 3.5395576 Node 179.63113 -0.43563565 +0.88892757
e 0.5687634 Incl. 15.30348 -0.06382148 +0.12632917
P 6.66
From 363 observations 1896-2008, mean residual 0".8. Nongravitational
parameters A1 = +1.19 +/- 0.01, A2 = +0.0277 +/- 0.0002.
Ephemerides:
205P/Giacobini A
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 09 21 20 54.81 -05 24.1 0.645 1.531 135.1 27.6 13.9
2008 10 01 21 12.90 -08 43.0 0.697 1.542 129.5 30.0 14.1
2008 10 11 21 33.38 -11 12.5 0.764 1.560 124.0 32.0 14.3
2008 10 21 21 55.37 -12 49.8 0.845 1.585 118.7 33.4 14.6
2008 10 31 22 18.09 -13 38.1 0.938 1.616 113.6 34.3 14.9
2008 11 10 22 41.01 -13 43.6 1.043 1.652 108.7 34.6 15.3
2008 11 20 23 03.71 -13 14.3 1.158 1.693 103.9 34.5 15.6
2008 11 30 23 25.97 -12 17.7 1.283 1.738 99.2 34.1 15.9
205P/Giacobini B
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 09 21 20 54.73 -05 24.3 0.646 1.531 135.1 27.6 17.9
2008 10 01 21 12.83 -08 43.1 0.698 1.542 129.5 30.1 18.1
2008 10 11 21 33.31 -11 12.6 0.764 1.560 124.0 32.0 18.3
2008 10 21 21 55.30 -12 49.8 0.845 1.585 118.7 33.4 18.6
2008 10 31 22 18.03 -13 38.1 0.938 1.616 113.6 34.3 18.9
2008 11 10 22 40.96 -13 43.6 1.043 1.652 108.7 34.6 19.3
2008 11 20 23 03.66 -13 14.3 1.158 1.693 103.9 34.5 19.6
2008 11 30 23 25.93 -12 17.7 1.283 1.738 99.2 34.1 19.9
205P/Giacobini C
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 09 21 20 54.07 -05 25.3 0.646 1.531 134.9 27.7 18.9
2008 10 01 21 12.21 -08 43.8 0.698 1.542 129.4 30.1 19.1
2008 10 11 21 32.75 -11 13.1 0.765 1.560 123.9 32.1 19.4
2008 10 21 21 54.79 -12 50.3 0.846 1.585 118.6 33.5 19.6
2008 10 31 22 17.57 -13 38.5 0.939 1.615 113.5 34.3 19.9
2008 11 10 22 40.54 -13 44.1 1.043 1.652 108.6 34.6 20.3
2008 11 20 23 03.29 -13 14.8 1.158 1.693 103.8 34.5 20.6
2008 11 30 23 25.59 -12 18.2 1.283 1.738 99.1 34.1 20.9
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-S47
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