MPEC 1998-V03: COMET C/1998 U5 (LINEAR)
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M.P.E.C. 1998-V03 Issued 1998 Nov. 2, 19:30 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html
COMET C/1998 U5 (LINEAR)
Observations:
CJ98U050 PC1998 10 30.37456 06 53 34.08 +28 57 57.5 14.0 T 704
CJ98U050 PC1998 10 30.38514 06 53 32.32 +28 58 58.5 704
CJ98U050 PC1998 10 30.39590 06 53 29.51 +28 59 50.6 704
CJ98U050 PC1998 10 30.40675 06 53 27.55 +29 00 40.7 704
CJ98U050 PC1998 10 30.41759 06 53 24.83 +29 01 36.5 704
CJ98U050 C1998 10 30.98976 06 51 15.61 +29 48 38.5 587
CJ98U050 C1998 10 30.99595 06 51 14.09 +29 49 11.4 587
CJ98U050 C1998 10 31.07056 06 50 56.18 +29 55 29.9 14.3 T 958
CJ98U050 C1998 10 31.07340 06 50 55.38 +29 55 44.2 14.5 T 958
CJ98U050 C1998 10 31.07608 06 50 54.75 +29 55 57.8 14.3 T 958
CJ98U050 C1998 10 31.07862 06 50 54.19 +29 56 10.5 14.1 T 958
CJ98U050 C1998 10 31.08992 06 50 51.39 +29 57 08.4 14.4 T 958
CJ98U050 C1998 10 31.11426 06 50 45.56 +29 59 13.0 13.9 T 958
CJ98U050 C1998 10 31.11666 06 50 44.95 +29 59 24.2 14.0 T 958
CJ98U050 C1998 10 31.20729 06 50 22.74 +30 07 07.7 14.6 T 958
CJ98U050 C1998 10 31.20854 06 50 22.36 +30 07 14.7 14.0 T 958
CJ98U050 C1998 10 31.30463 06 49 59.38 +30 15 30.8 12.3 N 761
CJ98U050 C1998 10 31.31233 06 49 57.58 +30 16 10.1 12.5 N 761
CJ98U050 C1998 10 31.31852 06 49 55.94 +30 16 42.3 12.5 N 761
CJ98U050 C1998 10 31.69449 06 48 21.52 +30 49 29.2 355
CJ98U050 C1998 10 31.69657 06 48 20.97 +30 49 40.0 12.6 T 355
CJ98U050 C1998 10 31.69832 06 48 20.50 +30 49 49.4 355
CJ98U050 C1998 10 31.70481 06 48 18.80 +30 50 24.1 355
CJ98U050 C1998 11 01.02392 06 46 54.86 +31 18 55.1 14.6 T 958
CJ98U050 C1998 11 01.04856 06 46 48.17 +31 21 10.4 14.4 T 958
CJ98U050 C1998 11 01.05884 06 46 45.42 +31 22 06.3 14.7 T 958
CJ98U050 C1998 11 01.11303 06 46 30.58 +31 27 02.7 14.7 T 958
CJ98U050 C1998 11 01.12358 06 46 27.62 +31 28 00.9 14.7 T 958
CJ98U050 C1998 11 01.22306 06 46 00.57 +31 37 17.2 12.4 T 860
CJ98U050 C1998 11 01.23282 06 45 57.75 +31 38 12.5 12.3 T 860
CJ98U050 C1998 11 01.24088 06 45 55.41 +31 38 57.7 12.4 T 860
CJ98U050 C1998 11 01.24822 06 45 53.37 +31 39 39.3 12.6 T 860
CJ98U050 C1998 11 01.62437 06 44 07.62 +32 14 31.1 355
CJ98U050 C1998 11 01.62640 06 44 06.98 +32 14 43.0 355
CJ98U050 C1998 11 01.93795 06 42 34.81 +32 44 25.8 13.7 N 143
CJ98U050 C1998 11 01.93951 06 42 34.38 +32 44 35.0 13.8 N 143
CJ98U050 C1998 11 01.94693 06 42 31.97 +32 45 19.1 611
CJ98U050 C1998 11 01.95006 06 42 31.07 +32 45 37.4 611
CJ98U050 C1998 11 01.95075 06 42 30.88 +32 45 41.2 611
CJ98U050 C1998 11 01.95835 06 42 28.60 +32 46 24.7 13.7 N 143
CJ98U050 C1998 11 01.95992 06 42 28.19 +32 46 34.2 13.8 N 143
CJ98U050 C1998 11 01.98021 06 42 21.90 +32 48 33.3 12.9 T 046
CJ98U050 C1998 11 01.98083 06 42 21.70 +32 48 37.0 046
CJ98U050 C1998 11 01.98177 06 42 21.41 +32 48 42.5 046
CJ98U050 C1998 11 02.22830 06 41 05.00 +33 13 09.4 12.3 T 860
CJ98U050 C1998 11 02.23580 06 41 02.54 +33 13 54.6 12.5 T 860
CJ98U050 C1998 11 02.24036 06 41 01.16 +33 14 21.7 12.8 T 860
CJ98U050 C1998 11 02.24626 06 40 59.22 +33 14 57.5 12.4 T 860
Observer details:
046 Klet. Observer Z. Moravec. 0.57-m f/5.2 reflector + CCD.
143 Gnosca. Observer S. Sposetti. 0.20-m f/6.3 reflector + CCD.
355 Hadano. Observer A. Asami. 0.28-m f/5.0 reflector + CCD.
587 Sormano. Observers F. Manca, M. Cavagna. 0.5-m reflector + CCD.
611 Starkenburg. Observers M. Busch, R. Stoss. 0.45-m f/4.4 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m f/2.15
reflector + CCD.
761 Zephyrhills. Observer R. A. Kowalski. 0.178-m f/9.45 reflector + CCD.
860 Valinhos. Observer P. R. Holvorcem. 0.20-m f/3.3 reflector + CCD.
958 Observatoire de Dax. Observer P. Dupouy. 0.20-m f/8 reflector + CCD.
Orbital elements:
C/1998 U5 (LINEAR)
T 1998 Dec. 21.7737 TT Green
q 1.231920 (2000.0) P Q
Peri. 51.4478 +0.7273674 +0.0730636
Node 66.6606 +0.1036292 -0.9946081
e 1.0 Incl. 131.9990 +0.6783787 +0.0735965
From 44 observations 1998 Oct. 30-Nov. 2.
Ephemeris:
C/1998 U5 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1998 10 24 07 10.03 +22 06.6 0.933 1.522 104.2 39.3 12.7
1998 10 29 06 58.21 +27 13.0 0.782 1.480 112.4 38.4 12.2
1998 11 03 06 36.84 +34 31.2 0.643 1.440 121.9 35.8 11.6
1998 11 08 05 54.44 +44 45.0 0.528 1.403 132.5 31.4 11.1
1998 11 13 04 20.30 +56 21.9 0.456 1.368 139.4 28.1 10.7
1998 11 18 01 30.10 +60 01.8 0.447 1.337 133.6 32.4 10.5
1998 11 23 23 19.85 +51 38.9 0.505 1.309 119.1 41.2 10.7
1998 11 28 22 20.35 +41 42.5 0.608 1.285 105.0 47.9 11.0
1998 12 03 21 51.42 +34 11.0 0.735 1.266 93.6 51.0 11.4
1998 12 08 21 35.38 +28 51.7 0.873 1.250 84.3 51.6 11.7
1998 12 13 21 25.62 +25 03.3 1.015 1.239 76.6 50.6 12.0
1998 12 18 21 19.31 +22 15.7 1.157 1.233 69.8 48.5 12.2
1998 12 23 21 15.08 +20 09.5 1.295 1.232 63.7 45.7 12.5
1999 01 02 21 10.12 +17 16.5 1.555 1.244 53.1 39.2 12.9
1999 01 12 21 07.71 +15 28.4 1.784 1.275 44.0 32.4 13.3
1999 01 22 21 06.59 +14 20.1 1.978 1.322 36.4 26.2 13.7
1999 02 01 21 06.06 +13 39.0 2.133 1.385 31.0 21.5 14.1
1999 02 11 21 05.67 +13 18.0 2.247 1.459 28.6 18.9 14.4
1999 02 21 21 05.04 +13 13.0 2.322 1.543 29.7 18.5 14.7
1999 03 03 21 03.77 +13 21.0 2.358 1.634 34.0 19.9 15.0
1999 03 13 21 01.45 +13 39.7 2.360 1.731 40.6 22.0 15.2
1999 03 23 20 57.61 +14 07.2 2.330 1.832 48.7 24.1 15.5
1999 04 02 20 51.69 +14 41.1 2.274 1.936 57.8 25.9 15.7
1999 04 12 20 43.05 +15 18.2 2.197 2.043 67.9 27.0 15.8
1999 04 22 20 30.96 +15 54.4 2.107 2.151 78.8 27.3 15.9
1999 05 02 20 14.68 +16 22.9 2.014 2.260 90.5 26.5 16.1
1999 05 12 19 53.67 +16 34.7 1.928 2.369 102.9 24.6 16.2
1999 05 22 19 27.86 +16 18.1 1.863 2.478 115.9 21.6 16.3
1999 06 01 18 58.20 +15 21.9 1.831 2.588 128.6 17.8 16.4
1999 06 11 18 26.71 +13 41.5 1.845 2.697 139.3 14.2 16.6
1999 06 21 17 56.10 +11 22.3 1.911 2.806 145.2 11.9 16.9
1999 07 01 17 28.79 +08 39.4 2.031 2.915 144.0 11.8 17.2
1999 07 11 17 06.20 +05 49.9 2.198 3.023 137.0 13.3 17.5
1999 07 21 16 48.66 +03 06.5 2.406 3.130 127.5 14.9 17.9
1999 07 31 16 35.81 +00 36.1 2.643 3.237 117.3 16.2 18.2
1999 08 10 16 26.99 -01 39.3 2.901 3.343 107.1 16.8 18.6
1999 08 20 16 21.48 -03 40.0 3.172 3.448 97.2 16.9 18.9
1999 08 30 16 18.65 -05 27.4 3.449 3.553 87.6 16.5 19.2
1999 09 09 16 17.95 -07 03.1 3.725 3.657 78.3 15.7 19.5
1999 09 19 16 18.96 -08 28.7 3.996 3.760 69.3 14.5 19.8
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-V03
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