MPEC 2001-B08: COMETS C/2000 Y5, 2000 Y6, 2000 Y7, 2000 Y8, 2000 Y9 (SOHO)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2001-B07
Read MPEC 2001-B09
M.P.E.C. 2001-B08 Issued 2001 Jan. 18, 21:34 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMETS C/2000 Y5, 2000 Y6, 2000 Y7, 2000 Y8, 2000 Y9 (SOHO)
Observations:
CK00Y050 S2000 12 19.73579 17 58 47.0 -25 07 46 249
CK00Y050 s2000 12 19.73579 2 -0.00466569 -0.00816559 -0.00357760 249
CK00Y050 S2000 12 19.77136 17 58 43.1 -24 58 50 249
CK00Y050 s2000 12 19.77136 2 -0.00465922 -0.00816734 -0.00357724 249
CK00Y050 S2000 12 19.77398 17 58 40.6 -24 58 37 249
CK00Y050 s2000 12 19.77398 2 -0.00465875 -0.00816747 -0.00357721 249
CK00Y050 S2000 12 19.79604 17 58 41.4 -24 53 21 249
CK00Y050 s2000 12 19.79604 2 -0.00465473 -0.00816855 -0.00357698 249
CK00Y050 S2000 12 19.83000 17 58 41.1 -24 44 47 249
CK00Y050 s2000 12 19.83000 2 -0.00464854 -0.00817021 -0.00357663 249
CK00Y060 S2000 12 20.45424 17 48 42.0 -23 20 09 249
CK00Y060 s2000 12 20.45424 2 -0.00453335 -0.00820026 -0.00357000 249
CK00Y060 S2000 12 20.46256 17 48 51.0 -23 18 03 249
CK00Y060 s2000 12 20.46256 2 -0.00453180 -0.00820065 -0.00356991 249
CK00Y060 S2000 12 20.47923 17 49 08.5 -23 13 45 249
CK00Y060 s2000 12 20.47923 2 -0.00452868 -0.00820144 -0.00356973 249
CK00Y060 S2000 12 20.49590 17 49 26.8 -23 09 09 249
CK00Y060 s2000 12 20.49590 2 -0.00452557 -0.00820223 -0.00356954 249
CK00Y060 S2000 12 20.50423 17 49 35.7 -23 06 57 249
CK00Y060 s2000 12 20.50423 2 -0.00452401 -0.00820262 -0.00356945 249
CK00Y060 S2000 12 20.52090 17 49 54.2 -23 02 37 249
CK00Y060 s2000 12 20.52090 2 -0.00452089 -0.00820340 -0.00356927 249
CK00Y060 S2000 12 20.53756 17 50 13.4 -22 58 12 249
CK00Y060 s2000 12 20.53756 2 -0.00451777 -0.00820419 -0.00356908 249
CK00Y060 S2000 12 20.56387 17 50 44.5 -22 51 18 249
CK00Y060 s2000 12 20.56387 2 -0.00451285 -0.00820542 -0.00356879 249
CK00Y060 S2000 12 20.57938 17 51 03.5 -22 47 17 249
CK00Y060 s2000 12 20.57938 2 -0.00450994 -0.00820615 -0.00356862 249
CK00Y060 S2000 12 20.58756 17 51 13.7 -22 45 09 249
CK00Y060 s2000 12 20.58756 2 -0.00450840 -0.00820653 -0.00356853 249
CK00Y060 S2000 12 20.60423 17 51 34.3 -22 40 59 249
CK00Y060 s2000 12 20.60423 2 -0.00450528 -0.00820731 -0.00356835 249
CK00Y060 S2000 12 20.63065 17 52 09.4 -22 34 22 249
CK00Y060 s2000 12 20.63065 2 -0.00450032 -0.00820855 -0.00356805 249
CK00Y060 S2000 12 20.64591 17 52 29.6 -22 30 34 249
CK00Y060 s2000 12 20.64591 2 -0.00449745 -0.00820926 -0.00356788 249
CK00Y070 S2000 12 20.46256 17 48 46.6 -23 19 14 249
CK00Y070 s2000 12 20.46256 2 -0.00453180 -0.00820065 -0.00356991 249
CK00Y070 S2000 12 20.47923 17 49 04.4 -23 14 59 249
CK00Y070 s2000 12 20.47923 2 -0.00452868 -0.00820144 -0.00356973 249
CK00Y070 S2000 12 20.49590 17 49 22.4 -23 10 26 249
CK00Y070 s2000 12 20.49590 2 -0.00452557 -0.00820223 -0.00356954 249
CK00Y070 S2000 12 20.50423 17 49 31.5 -23 08 12 249
CK00Y070 s2000 12 20.50423 2 -0.00452401 -0.00820262 -0.00356945 249
CK00Y070 S2000 12 20.52090 17 49 49.0 -23 03 44 249
CK00Y070 s2000 12 20.52090 2 -0.00452089 -0.00820340 -0.00356927 249
CK00Y070 S2000 12 20.53756 17 50 08.8 -22 59 29 249
CK00Y070 s2000 12 20.53756 2 -0.00451777 -0.00820419 -0.00356908 249
CK00Y070 S2000 12 20.56387 17 50 39.0 -22 52 32 249
CK00Y070 s2000 12 20.56387 2 -0.00451285 -0.00820542 -0.00356879 249
CK00Y070 S2000 12 20.57938 17 50 58.4 -22 48 38 249
CK00Y070 s2000 12 20.57938 2 -0.00450994 -0.00820615 -0.00356862 249
CK00Y070 S2000 12 20.58756 17 51 08.5 -22 46 32 249
CK00Y070 s2000 12 20.58756 2 -0.00450840 -0.00820653 -0.00356853 249
CK00Y070 S2000 12 20.60423 17 51 29.1 -22 42 15 249
CK00Y070 s2000 12 20.60423 2 -0.00450528 -0.00820731 -0.00356835 249
CK00Y070 S2000 12 20.63065 17 52 03.9 -22 35 35 249
CK00Y070 s2000 12 20.63065 2 -0.00450032 -0.00820855 -0.00356805 249
CK00Y070 S2000 12 20.64591 17 52 24.3 -22 31 52 249
CK00Y070 s2000 12 20.64591 2 -0.00449745 -0.00820926 -0.00356788 249
CK00Y080 S2000 12 23.78790 18 17 41.1 -24 52 30 249
CK00Y080 s2000 12 23.78790 2 -0.00387521 -0.00833885 -0.00352613 249
CK00Y080 S2000 12 23.81400 18 17 33.9 -24 46 43 249
CK00Y080 s2000 12 23.81400 2 -0.00386979 -0.00833977 -0.00352572 249
CK00Y080 S2000 12 23.82994 18 17 37.1 -24 42 23 249
CK00Y080 s2000 12 23.82994 2 -0.00386647 -0.00834033 -0.00352547 249
CK00Y080 S2000 12 23.83772 18 17 34.1 -24 40 51 249
CK00Y080 s2000 12 23.83772 2 -0.00386485 -0.00834060 -0.00352535 249
CK00Y080 S2000 12 23.85441 18 17 35.2 -24 37 17 249
CK00Y080 s2000 12 23.85441 2 -0.00386138 -0.00834118 -0.00352508 249
CK00Y080 S2000 12 23.89613 18 17 25.0 -24 26 44 249
CK00Y080 s2000 12 23.89613 2 -0.00385270 -0.00834263 -0.00352443 249
CK00Y090 S2000 12 25.12090 18 23 38.4 -24 52 43 249
CK00Y090 s2000 12 25.12090 2 -0.00359343 -0.00838186 -0.00350378 249
CK00Y090 S2000 12 25.12924 18 23 37.6 -24 50 51 249
CK00Y090 s2000 12 25.12924 2 -0.00359163 -0.00838210 -0.00350364 249
CK00Y090 S2000 12 25.14590 18 23 35.2 -24 47 03 249
CK00Y090 s2000 12 25.14590 2 -0.00358805 -0.00838259 -0.00350334 249
CK00Y090 S2000 12 25.16256 18 23 30.9 -24 43 36 249
CK00Y090 s2000 12 25.16256 2 -0.00358446 -0.00838307 -0.00350304 249
CK00Y090 S2000 12 25.17090 18 23 28.8 -24 41 11 249
CK00Y090 s2000 12 25.17090 2 -0.00358267 -0.00838331 -0.00350289 249
Observer details:
249 SOHO. SOHO-LASCO coronagraph C2. Comets reported by M. Boschat,
M. Meyer, S. Hoenig and M. Oates, measurements by D. Hammer,
reduction by B. G. Marsden.
Orbital elements:
Comet T q e Peri. Node Incl. C
CK00Y050 2000 Dec. 20.06 0.0070 1.0 38.85 315.39 142.93 M
CK00Y060 2000 Dec. 20.85 0.0252 1.0 88.03 229.47 87.30 M
CK00Y070 2000 Dec. 20.85 0.0245 1.0 89.13 228.93 89.02 M
CK00Y080 2000 Dec. 24.14 0.0060 1.0 79.51 3.25 145.95 M
CK00Y090 2000 Dec. 25.45 0.0051 1.0 66.36 343.96 147.66 M
Ephemerides:
C/2000 Y6 (SOHO)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 01 11 21 58.56 -57 37.5 1.132 0.817 44.7 57.9
2001 01 13 22 18.89 -58 03.2 1.172 0.869 46.5 55.2
2001 01 15 22 38.07 -58 15.4 1.213 0.920 48.1 52.8
2001 01 17 22 56.05 -58 16.6 1.254 0.969 49.5 50.6
2001 01 19 23 12.82 -58 09.2 1.296 1.017 50.8 48.5
2001 01 21 23 28.41 -57 54.9 1.338 1.064 51.9 46.7
2001 01 23 23 42.87 -57 35.3 1.380 1.110 52.9 45.0
2001 01 25 23 56.29 -57 11.5 1.422 1.156 53.7 43.4
2001 01 27 00 08.74 -56 44.6 1.465 1.200 54.5 41.9
2001 01 29 00 20.32 -56 15.4 1.507 1.244 55.2 40.6
2001 01 31 00 31.11 -55 44.5 1.549 1.286 55.8 39.3
2001 02 02 00 41.19 -55 12.5 1.591 1.329 56.3 38.1
2001 02 04 00 50.62 -54 39.8 1.633 1.370 56.8 37.0
2001 02 06 00 59.49 -54 06.6 1.675 1.411 57.2 36.0
2001 02 08 01 07.84 -53 33.3 1.717 1.451 57.6 35.0
2001 02 10 01 15.73 -53 00.0 1.758 1.491 57.9 34.1
2001 02 12 01 23.21 -52 26.8 1.800 1.530 58.2 33.3
2001 02 14 01 30.32 -51 54.1 1.841 1.569 58.5 32.4
2001 02 16 01 37.10 -51 21.7 1.882 1.607 58.7 31.7
2001 02 18 01 43.58 -50 49.8 1.922 1.645 58.9 30.9
2001 02 20 01 49.80 -50 18.5 1.962 1.683 59.0 30.3
C/2000 Y7 (SOHO)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 01 11 21 52.18 -57 22.4 1.159 0.818 43.9 56.5
2001 01 13 22 11.61 -57 50.4 1.200 0.870 45.6 53.9
2001 01 15 22 30.01 -58 05.6 1.241 0.920 47.1 51.6
2001 01 17 22 47.33 -58 10.5 1.283 0.970 48.5 49.4
2001 01 19 23 03.55 -58 07.0 1.325 1.018 49.7 47.5
2001 01 21 23 18.71 -57 56.8 1.367 1.065 50.8 45.7
2001 01 23 23 32.84 -57 41.4 1.409 1.111 51.7 44.0
2001 01 25 23 46.01 -57 21.8 1.451 1.156 52.5 42.5
2001 01 27 23 58.30 -56 59.0 1.493 1.201 53.3 41.1
2001 01 29 00 09.78 -56 33.8 1.535 1.244 54.0 39.8
2001 01 31 00 20.51 -56 06.8 1.577 1.287 54.6 38.6
2001 02 02 00 30.57 -55 38.4 1.619 1.329 55.1 37.5
2001 02 04 00 40.03 -55 09.2 1.661 1.371 55.6 36.4
2001 02 06 00 48.94 -54 39.3 1.702 1.412 56.0 35.4
2001 02 08 00 57.36 -54 09.2 1.743 1.452 56.4 34.5
2001 02 10 01 05.33 -53 38.8 1.784 1.492 56.7 33.6
2001 02 12 01 12.91 -53 08.6 1.825 1.531 57.0 32.7
2001 02 14 01 20.12 -52 38.4 1.865 1.570 57.3 32.0
2001 02 16 01 27.02 -52 08.6 1.906 1.608 57.5 31.2
2001 02 18 01 33.62 -51 39.1 1.945 1.646 57.7 30.5
2001 02 20 01 39.96 -51 10.1 1.985 1.683 57.9 29.9
The above ephemerides are obviously very uncertain but are provided for
two comets that are not Kreutz sungrazers but are clearly related to each
other. The expected magnitude is unclear, but the comets (if they still
exist) are likely to be extremely faint.
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-B08
Read MPEC 2001-B07
Read MPEC 2001-B09
Our Web policy. Index to the CBAT/MPC/ICQ pages.
