MPEC 2008-R78 : COMET P/1896 R2 = 2008 R6 (GIACOBINI)
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M.P.E.C. 2008-R78 Issued 2008 Sept. 15, 17:31 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 P/1896 R2 = 2008 R6 (GIACOBINI)
Observations:
PK08R060 C2008 09 10.72292 20 39 30.88 -01 21 27.8 13.4 N ER078C42
PK08R060 C2008 09 10.72979 20 39 30.98 -01 21 43.5 13.3 N ER078C42
PK08R060 C2008 09 10.74064 20 39 31.92 -01 21 56.5 13.0 N ER078C42
PK08R060 C2008 09 10.83551 20 39 39.73 -01 24 18.5 15.4 T ER078A99
PK08R060 C2008 09 10.86406 20 39 41.78 -01 25 00.2 14.9 T ER078B40
PK08R060 C2008 09 10.87114 20 39 42.40 -01 25 11.5 15.5 T ER078595
PK08R060 C2008 09 10.87137 20 39 42.48 -01 25 11.4 14.8 T ER078213
PK08R060 C2008 09 10.87325 20 39 42.63 -01 25 14.3 14.9 T ER078213
PK08R060 C2008 09 10.87604 20 39 42.73 -01 25 18.7 15.0 T ER078595
PK08R060 C2008 09 10.87818 20 39 42.86 -01 25 21.0 14.4 T ER078B40
PK08R060 C2008 09 10.87909 20 39 43.06 -01 25 22.9 14.9 T ER078213
PK08R060 C2008 09 10.88076 20 39 43.28 -01 25 26.6 14.3 N ER078A11
PK08R060 C2008 09 10.88584 20 39 43.53 -01 25 34.8 14.7 T ER078A17
PK08R060 C2008 09 10.89353 20 39 44.10 -01 25 46.1 15.1 T ER078A17
PK08R060 C2008 09 10.90227 20 39 44.74 -01 25 59.2 15.1 T ER078A17
PK08R060 C2008 09 10.90265 20 39 44.83 -01 25 59.5 14.3 N ER078A11
PK08R060 C2008 09 10.90679 20 39 45.40 -01 26 01.2 15.6 N ER078J29
PK08R060 C2008 09 10.92781 20 39 46.89 -01 26 32.7 15.4 N ER078J29
PK08R060 C2008 09 10.93160 20 39 47.20 -01 26 38.0 14.6 N ER078J47
PK08R060 C2008 09 10.93668 20 39 47.58 -01 26 45.9 14.6 N ER078J47
PK08R060 C2008 09 10.93897 20 39 47.76 -01 26 49.1 14.7 N ER078J47
PK08R060 C2008 09 10.94097 20 39 47.90 -01 26 52.3 14.7 N ER078J47
PK08R060 C2008 09 10.94374 20 39 48.09 -01 26 56.4 14.6 N ER078J47
PK08R060 C2008 09 10.94550 20 39 48.19 -01 26 58.8 15.5 N ER078J29
PK08R060 C2008 09 10.96248 20 39 49.35 -01 27 25.9 15.1 N ER078J40
PK08R060 C2008 09 10.97164 20 39 50.03 -01 27 39.5 15.3 N ER078J40
PK08R060 C2008 09 10.97333 20 39 50.14 -01 27 42.1 15.1 N ER078J40
PK08R060 C2008 09 10.98278 20 39 50.84 -01 27 56.1 15.4 N ER078J40
PK08R060 C2008 09 11.13677 20 40 03.41 -01 31 45.2 15.2 N ER078H47
PK08R060 C2008 09 11.14172 20 40 03.74 -01 31 52.4 15.2 N ER078H47
PK08R060 C2008 09 11.15935 20 40 05.06 -01 32 18.4 15.1 N ER078H47
PK08R060 C2008 09 11.16982 20 40 05.81 -01 32 35.2 15.9 N ER078H55
PK08R060 C2008 09 11.17288 20 40 06.04 -01 32 39.9 15.3 N ER078H55
PK08R060 C2008 09 11.17596 20 40 06.27 -01 32 44.4 15.5 N ER078H55
PK08R060 C2008 09 11.17968 20 40 06.54 -01 32 49.8 15.9 N ER078H55
PK08R060 C2008 09 11.18343 20 40 06.84 -01 32 55.5 15.2 N ER078H55
PK08R060 C2008 09 11.18647 20 40 07.09 -01 32 59.0 15.0 N ER078H47
PK08R060 C2008 09 11.19198 20 40 07.54 -01 33 06.8 14.6 N ER078H47
PK08R060 C2008 09 11.19808 20 40 07.94 -01 33 15.6 15.1 N ER078H47
PK08R060 C2008 09 11.20075 20 40 08.45 -01 33 19.8 13.8 T ER078673
PK08R060 C2008 09 11.20770 20 40 08.96 -01 33 30.0 ER078673
PK08R060 C2008 09 11.21522 20 40 09.51 -01 33 41.4 ER078673
PK08R060 C2008 09 11.23049 20 40 10.66 -01 34 03.5 ER078673
PK08R060 C2008 09 11.46188 20 40 29.29 -01 39 32.1 14.4 N ER078E16
PK08R060 C2008 09 11.49979 20 40 32.23 -01 40 44.3 16.1 N ER078379
PK08R060 C2008 09 11.50164 20 40 32.35 -01 40 48.1 15.9 N ER078379
PK08R060 C2008 09 11.50784 20 40 32.77 -01 40 40.2 14.9 N ER078E16
PK08R060 C2008 09 11.51744 20 40 33.64 -01 41 10.9 ER078900
PK08R060 C2008 09 11.52363 20 40 34.12 -01 41 20.1 15.1 N ER078900
PK08R060 C2008 09 11.53096 20 40 34.58 -01 41 31.0 15.8 N ER078379
PK08R060 C2008 09 11.59348 20 40 39.41 -01 43 04.4 ER078367
PK08R060 C2008 09 11.59773 20 40 39.78 -01 43 10.2 ER078367
PK08R060 C2008 09 11.59881 20 40 39.82 -01 43 12.0 14.2 T ER078367
PK08R060 2008 09 11.69984 20 40 47.58 -01 45 39.2 15.6 T ER078372
PK08R060 2008 09 11.71372 20 40 48.64 -01 46 00.0 ER078372
PK08R060 2008 09 11.71771 20 40 48.93 -01 46 05.5 ER078372
PK08R060 C2008 09 11.77524 20 40 54.46 -01 47 35.0 ER078048
PK08R060 C2008 09 11.77565 20 40 54.50 -01 47 35.6 ER078048
PK08R060 C2008 09 11.77728 20 40 54.70 -01 47 37.7 ER078048
PK08R060 C2008 09 11.77769 20 40 54.72 -01 47 38.9 ER078048
PK08R060 C2008 09 11.77809 20 40 54.78 -01 47 39.5 ER078048
PK08R060 C2008 09 11.79817 20 40 56.57 -01 48 08.1 15.2 N ER078213
PK08R060 C2008 09 11.81393 20 40 57.61 -01 48 32.8 15.1 N ER078118
PK08R060 C2008 09 11.81459 20 40 57.64 -01 48 33.6 15.1 N ER078118
PK08R060 C2008 09 11.81657 20 40 57.80 -01 48 36.6 15.1 N ER078118
PK08R060 C2008 09 11.81789 20 40 57.92 -01 48 38.6 14.9 N ER078118
PK08R060 C2008 09 11.86958 20 41 02.28 -01 49 51.0 14.8 N ER078J47
PK08R060 C2008 09 11.88359 20 41 03.18 -01 50 15.2 14.7 N ER078J59
PK08R060 C2008 09 11.88744 20 41 03.55 -01 50 21.3 14.5 N ER078J59
PK08R060 C2008 09 11.88930 20 41 03.78 -01 50 20.1 15.0 N ER078J47
PK08R060 C2008 09 11.89461 20 41 04.19 -01 50 27.7 14.9 N ER078J47
PK08R060 C2008 09 11.89870 20 41 04.38 -01 50 38.2 ER078J59
PK08R060 C2008 09 11.90243 20 41 04.77 -01 50 39.3 13.9 N ER078J47
PK08R060 C2008 09 11.92018 20 41 06.03 -01 51 08.6 14.5 N ER078J38
PK08R060 C2008 09 11.92235 20 41 06.19 -01 51 11.7 14.4 N ER078J38
PK08R060 C2008 09 11.92432 20 41 06.30 -01 51 13.7 14.9 N ER078J40
PK08R060 C2008 09 11.92452 20 41 06.37 -01 51 15.2 14.6 N ER078J38
PK08R060 C2008 09 11.93484 20 41 07.11 -01 51 29.6 14.9 N ER078J40
PK08R060 C2008 09 11.94138 20 41 07.62 -01 51 39.0 14.9 N ER078J40
PK08R060 C2008 09 11.95873 20 41 08.93 -01 52 04.7 15.3 N ER078J40
PK08R060 C2008 09 12.47322 20 41 51.42 -02 04 43.9 ER078D88
PK08R060 C2008 09 12.47432 20 41 51.50 -02 04 45.8 ER078D88
PK08R060 C2008 09 12.47542 20 41 51.57 -02 04 47.6 14.8 T ER078D88
PK08R060 C2008 09 12.80213 20 42 18.67 -02 12 48.1 15.6 N ER078B49
PK08R060 C2008 09 12.81451 20 42 19.65 -02 13 06.6 15.5 N ER078B49
PK08R060 C2008 09 12.82801 20 42 20.72 -02 13 26.2 15.6 N ER078B49
PK08R060 C2008 09 12.88998 20 42 25.62 -02 14 56.0 14.6 N ER078B40
PK08R060 C2008 09 12.89750 20 42 26.10 -02 15 09.1 15.0 N ER078B40
PK08R060 C2008 09 13.82387 20 43 44.43 -02 37 42.4 15.3 N ER078B49
PK08R060 C2008 09 13.83218 20 43 45.07 -02 37 54.4 15.2 N ER078B49
PK08R060 C2008 09 13.84058 20 43 45.74 -02 38 06.3 15.3 N ER078B49
PK08R060 C2008 09 13.84171 20 43 45.92 -02 38 07.4 16.4 N ER078J20
PK08R060 C2008 09 13.85108 20 43 46.64 -02 38 20.9 16.1 N ER078J20
PK08R060 C2008 09 13.93809 20 43 53.94 -02 40 25.6 14.5 N ER078J51
PK08R060 C2008 09 13.94332 20 43 54.35 -02 40 33.3 14.6 N ER078J51
PK08R060 C2008 09 13.94855 20 43 54.77 -02 40 40.9 14.5 N ER078J51
PK08R060 C2008 09 14.05943 20 44 03.63 -02 43 20.2 14.2 N ER078J45
PK08R060 C2008 09 14.06926 20 44 04.54 -02 43 34.1 14.2 N ER078J45
PK08R060 C2008 09 14.59659 20 44 50.23 -02 56 20.6 14.6 N ER078900
PK08R060 C2008 09 14.60122 20 44 50.63 -02 56 27.3 ER078900
PK08R060 C2008 09 14.81414 20 45 09.82 -03 01 34.2 16.8 N ER078J20
PK08R060 C2008 09 14.84117 20 45 11.99 -03 02 12.8 16.3 N ER078J20
PK08R060 C2008 09 14.85016 20 45 13.06 -03 02 24.8 14.7 N ER078J47
PK08R060 C2008 09 14.86070 20 45 13.94 -03 02 39.8 13.8 N ER078J47
PK08R060 C2008 09 14.86983 20 45 14.70 -03 02 52.7 13.5 N ER078J47
PK08R060 C2008 09 14.87754 20 45 15.25 -03 03 07.0 14.4 N ER078J38
PK08R060 C2008 09 14.88188 20 45 15.60 -03 03 13.6 14.4 N ER078J38
PK08R060 C2008 09 14.88296 20 45 15.70 -03 03 14.8 14.4 N ER078J38
PK08R060 C2008 09 14.89483 20 45 16.51 -03 03 31.7 14.6 N ER078213
PK08R060 C2008 09 14.89635 20 45 16.64 -03 03 33.9 14.5 N ER078213
PK08R060 C2008 09 14.89802 20 45 16.75 -03 03 36.4 14.6 N ER078213
PK08R060 C2008 09 14.96209 20 45 22.25 -03 05 09.6 14.6 N ER078945
PK08R060 C2008 09 14.96341 20 45 22.36 -03 05 11.1 14.6 N ER078945
PK08R060 C2008 09 14.96479 20 45 22.50 -03 05 12.7 14.6 N ER078945
PK08R060 C2008 09 14.96610 20 45 22.64 -03 05 15.0 14.6 N ER078945
PK08R060 C2008 09 14.96727 20 45 22.70 -03 05 16.6 14.7 N ER078945
PK08R060 C2008 09 14.99496 20 45 24.95 -03 05 54.6 15.0 N ER078J40
PK08R060 C2008 09 14.99947 20 45 25.34 -03 06 01.4 14.8 N ER078J40
PK08R060 C2008 09 15.00101 20 45 25.45 -03 06 03.3 15.0 N ER078J40
PK08R060 C2008 09 15.00755 20 45 26.07 -03 06 12.8 15.0 N ER078J40
PK08R060 C2008 09 15.22194 20 45 45.19 -03 11 20.1 13.5 T ER078673
PK08R060 C2008 09 15.22889 20 45 45.78 -03 11 29.9 ER078673
PK08R060 C2008 09 15.23583 20 45 46.36 -03 11 39.8 ER078673
PK08R060 C2008 09 15.24278 20 45 46.95 -03 11 49.7 ER078673
Observer details:
048 Hradec Kralove. Observer M. Lehky. 0.40-m f/5 reflector + CCD.
118 Modra. Observer S. Gajdos. 0.6-m f/5.5 reflector + CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/5 Schmidt-Cassegrain + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
372 Geisei. Observers T. Seki, K. Muraoka, S. Shimomoto. 0.70-m f/7
reflector.
379 Hamamatsu-Yuto. Observer S. Wakuda. 0.25-m f/5.0 Schmidt-Cassegrain
+ CCD.
595 Farra d'Isonzo. Observers A. Boattini, V. S. Casulli, G. Sostero,
A. Vagnozzi, L. Bittesini, G. Lombar. 0.30-m f/4.5 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
945 Observatorio Monte Deva. Observer J. R. Vidal. 0.36-m f/4.48
Schmidt-Cassegrain + CCD.
A11 Wormhout. Observer S. Takbou. 0.03-m f/4.0 reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
A99 Osservatorio del Monte Baldo. Observer C. Flavio. 0.4-m reflector + CCD.
B40 Skylive Observatory, Catania. Observers P. Camilleri, G. Sostero,
E. Guido. 0.30-m f/6 reflector + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.25-m f/4 Newtonian
reflector + CCD.
C42 Xingming Observatory, Mt. Nanshan. Observer X. Gao. Measurer T. Chen.
0.107-m f/2.8 lens + CCD.
D88 Hiratsuka. Observer Y. Sugiyama. 0.25-m f/5.0 reflector + CCD.
E16 Grove Creek Observatory, Trunkey. Observers P. Camilleri, G. Sostero,
E. Guido. 0.30-m f/5.8 reflector + CCD.
H47 Vicksburg. Observer C. Bell. 0.3-m f/5.9 Schmidt-Cassegrain + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer H. Sharafi. 0.81-m f/4.0 astrograph + CCD.
J20 Aravaca. Observer K. Wierzchos. 0.20-m Schmidt-Cassegrain + CCD.
Long. = 356.21926, rho cos phi' = 0.762019, rho sin phi' = +0.645541.
J29 Observatorio Nira, Tias. Observer R. Trujillo. 0.24-m f/4.8 Cassegrain
+ CCD.
J38 Observatorio La Vara, Valdes. Observer F. Garcia. 0.25-m f/8.1 reflector
+ CCD.
J40 Malaga. Observer J. M. Ruiz M. 0.20-m f/5 Newtonian reflector + CCD.
J45 Observatorio Montana Cabreja, Vega de San Mateo. Observer F. A. Rodriguez
R. 0.20-m f/4 reflector + CCD.
J47 Observatorio Nazaret. Observer G. Muler. 0.20-m Schmidt-Cassegrain + CCD.
J51 Observatorio Atlante, Tenerife. Observer J. A. Henriquez. 0.2-m f/9
Cassegrain + CCD.
J59 Observatorio Linceo, Santander. Observer J. Temprano. 0.25-m f/3.3
Schmidt-Cassegrain + CCD.
Orbital elements:
P/1896 R2 = 2008 R6 (Giacobini)
Epoch 1896 Nov. 17.0 TT = JDT 2413880.5
T 1896 Oct. 28.53474 TT MPC
q 1.4547575 (2000.0) P Q
n 0.14823171 Peri. 140.50968 +0.90608255 +0.42006459
a 3.5359706 Node 194.89642 -0.42060104 +0.88128415
e 0.5885832 Incl. 11.35127 -0.04592573 +0.21652709
P 6.65
Epoch 2008 Sept. 11.0 TT = JDT 2454720.5
T 2008 Sept. 10.08442 TT MPC
q 1.5263743 (2000.0) P Q
n 0.14800493 Peri. 154.25156 +0.89795450 +0.44008493
a 3.5395817 Node 179.62583 -0.43544009 +0.88903132
e 0.5687699 Incl. 15.30637 -0.06379373 +0.12628767
P 6.66
From 223 observations 1896-2008, mean residual 1".02. Nongravitational
parameters A1 = +0.97 +/- 0.02, A2 = +0.0274 +/- 0.0002.
Ephemeris:
P/1896 R2 = 2008 R6 (Giacobini)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 09 11 20 39.88 -01 28.2 0.609 1.526 140.5 24.8 13.8
2008 09 21 20 54.81 -05 24.2 0.645 1.531 135.1 27.6 13.9
2008 10 01 21 12.90 -08 43.1 0.697 1.542 129.5 30.0 14.1
2008 10 11 21 33.38 -11 12.7 0.764 1.560 124.0 32.0 14.3
2008 10 21 21 55.37 -12 50.0 0.845 1.585 118.7 33.4 14.6
2008 10 31 22 18.09 -13 38.3 0.938 1.616 113.6 34.3 14.9
2008 11 10 22 41.02 -13 43.8 1.042 1.652 108.7 34.6 15.3
2008 11 20 23 03.72 -13 14.5 1.158 1.693 103.9 34.5 15.6
2008 11 30 23 25.98 -12 17.9 1.282 1.738 99.2 34.1 15.9
2008 12 10 23 47.72 -11 00.7 1.416 1.787 94.5 33.3 16.3
2008 12 20 00 08.88 -09 29.0 1.556 1.840 89.9 32.3 16.6
2008 12 30 00 29.52 -07 47.5 1.704 1.894 85.2 31.1 16.9
2009 01 09 00 49.70 -06 00.3 1.856 1.951 80.5 29.8 17.2
2009 01 19 01 09.45 -04 10.6 2.012 2.010 75.7 28.3 17.6
2009 01 29 01 28.84 -02 21.1 2.171 2.070 70.9 26.7 17.8
2009 02 08 01 47.94 -00 33.7 2.332 2.132 66.1 25.0 18.1
2009 02 18 02 06.77 +01 09.6 2.492 2.194 61.2 23.3 18.4
2009 02 28 02 25.38 +02 47.7 2.651 2.256 56.3 21.4 18.7
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-R78
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