MPEC 1999-X07: COMET C/1997 K2
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M.P.E.C. 1999-X07 Issued 1999 Dec. 4, 22:37 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/1997 K2
Observations:
CJ97K020 S1997 05 20.884 00 51.1 -22 16 249
CJ97K020 s1997 05 20.884 2 +0.00428 +0.00973 +0.00347 249
CJ97K020 S1997 05 22.946 00 54.3 -23 01 249
CJ97K020 s1997 05 22.946 2 +0.00461 +0.00959 +0.00339 249
CJ97K020 S1997 05 24.867 01 03.6 -25 20 249
CJ97K020 s1997 05 24.867 2 +0.00439 +0.00973 +0.00344 249
CJ97K020 S1997 05 27.902 01 12.3 -27 43 249
CJ97K020 s1997 05 27.902 2 +0.00381 +0.01002 +0.00355 249
CJ97K020 S1997 05 29.959 01 12.9 -27 38 249
CJ97K020 s1997 05 29.959 2 +0.00423 +0.00989 +0.00348 249
CJ97K020 S1997 06 01.020 01 18.8 -30 21 249
CJ97K020 s1997 06 01.020 2 +0.00327 +0.01025 +0.00363 249
CJ97K020 S1997 06 04.982 01 30.2 -33 22 249
CJ97K020 s1997 06 04.982 2 +0.00367 +0.01015 +0.00359 249
CJ97K020 S1997 06 07.367 01 35.6 -35 16 249
CJ97K020 s1997 06 07.367 2 +0.00324 +0.01026 +0.00365 249
CJ97K020 S1997 06 11.463 01 52.6 -38 37 249
CJ97K020 s1997 06 11.463 2 +0.00298 +0.01028 +0.00369 249
CJ97K020 S1997 06 13.068 01 56.6 -40 58 249
CJ97K020 s1997 06 13.068 2 +0.00199 +0.01040 +0.00375 249
CJ97K020 S1997 06 14.816 02 05.8 -42 15 249
CJ97K020 s1997 06 14.816 2 +0.00299 +0.01026 +0.00371 249
CJ97K020 S1997 06 17.820 02 21.3 -46 32 249
CJ97K020 s1997 06 17.820 2 +0.00278 +0.01026 +0.00375 249
CJ97K020 S1997 06 19.885 02 26.0 -47 34 249
CJ97K020 s1997 06 19.885 2 +0.00308 +0.01025 +0.00377 249
CJ97K020 S1997 06 21.474 02 40.7 -50 15 249
CJ97K020 s1997 06 21.474 2 +0.00233 +0.01025 +0.00380 249
CJ97K020 S1997 06 24.514 03 03.8 -53 48 249
CJ97K020 s1997 06 24.514 2 +0.00293 +0.01028 +0.00387 249
CJ97K020 S1997 06 26.576 03 19.8 -56 02 249
CJ97K020 s1997 06 26.576 2 +0.00184 +0.01023 +0.00388 249
CJ97K020 S1997 06 28.695 03 43.4 -58 29 249
CJ97K020 s1997 06 28.695 2 +0.00263 +0.01032 +0.00396 249
CJ97K020 S1997 07 01.990 04 14.7 -61 37 249
CJ97K020 s1997 07 01.990 2 +0.00199 +0.01027 +0.00401 249
CJ97K020 S1997 07 06.244 05 26.4 -65 25 249
CJ97K020 s1997 07 06.244 2 +0.00046 +0.00996 +0.00398 249
CJ97K020 S1997 07 09.665 06 01.0 -66 32 249
CJ97K020 s1997 07 09.665 2 +0.00057 +0.00996 +0.00407 249
CJ97K020 S1997 07 11.570 06 34.2 -67 00 249
CJ97K020 s1997 07 11.570 2 +0.00040 +0.00990 +0.00409 249
CJ97K020 S1997 07 13.035 06 56.8 -67 03 249
CJ97K020 s1997 07 13.035 2 +0.00007 +0.00978 +0.00408 249
CJ97K020 S1997 07 15.579 07 49.6 -66 37 249
CJ97K020 s1997 07 15.579 2 -0.00024 +0.00965 +0.00410 249
CJ97K020 S1997 07 18.483 08 33.7 -65 13 249
CJ97K020 s1997 07 18.483 2 -0.00056 +0.00952 +0.00412 249
CJ97K020 S1997 07 19.538 08 45.5 -64 36 249
CJ97K020 s1997 07 19.538 2 -0.00022 +0.00969 +0.00423 249
CJ97K020 S1997 07 22.554 09 23.6 -62 43 249
CJ97K020 s1997 07 22.554 2 -0.00089 +0.00941 +0.00419 249
CJ97K020 S1997 07 24.617 09 45.0 -61 15 249
CJ97K020 s1997 07 24.617 2 -0.00087 +0.00948 +0.00428 249
Observer details:
249 SOHO. SOHO-SWAN Lyman alpha photometer. Comet detection by T. Makinen.
Reduction by T. Makinen and B. G. Marsden.
Orbital elements:
C/1997 K2
T 1997 June 26.16 TT Marsden
q 1.5463 (2000.0) P Q
Peri. 246.10 +0.34285 -0.93561
Node 173.87 -0.26569 -0.01059
e 1.0 Incl. 127.94 -0.90104 -0.35288
From 9 observations 1997 May 24-July 19.
Ephemeris:
C/1997 K2
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1
1997 04 22 00 14.40 -12 27.5 2.500 1.784 35.8 19.2 13.5
1997 05 02 00 27.16 -15 13.5 2.292 1.721 44.3 24.1 13.2
1997 05 12 00 41.68 -18 49.0 2.069 1.666 52.9 28.9 12.8
1997 05 22 00 58.91 -23 34.7 1.838 1.620 61.5 33.3 12.4
1997 06 01 01 20.77 -29 58.7 1.612 1.585 70.0 37.0 12.0
1997 06 11 01 51.13 -38 31.9 1.410 1.560 78.2 39.6 11.7
1997 06 21 02 38.93 -49 18.9 1.255 1.548 85.2 40.9 11.4
1997 07 01 04 05.53 -60 31.0 1.179 1.548 89.3 41.1 11.3
1997 07 11 06 34.89 -66 30.2 1.200 1.560 89.1 40.7 11.3
1997 07 21 09 00.25 -63 25.4 1.312 1.584 84.7 39.7 11.6
1997 07 31 10 22.82 -56 42.2 1.490 1.619 78.0 37.8 12.0
1997 08 10 11 08.76 -50 30.5 1.705 1.665 70.3 35.0 12.4
1997 08 20 11 38.10 -45 39.6 1.934 1.719 62.5 31.5 12.8
1997 08 30 11 59.23 -42 01.0 2.163 1.782 54.7 27.5 13.2
1997 09 09 12 15.80 -39 18.5 2.382 1.851 47.2 23.5 13.6
1997 09 19 12 29.51 -37 17.7 2.583 1.927 40.1 19.6 13.9
1997 09 29 12 41.28 -35 47.9 2.761 2.007 33.8 16.1 14.2
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-X07
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