MPEC 1999-L11: COMET C/1999 H3 (LINEAR)
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M.P.E.C. 1999-L11 Issued 1999 June 8, 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 ISSN 1523-6714
COMET C/1999 H3 (LINEAR)
Observations:
CJ99H030 C1999 04 30.53748 19 06 11.44 +47 12 12.1 15.1 T 402
CJ99H030 C1999 04 30.53874 19 06 11.35 +47 12 13.4 402
CJ99H030 C1999 04 30.54000 19 06 11.19 +47 12 15.3 402
CJ99H030 1999 05 05.69479 18 57 18.44 +49 04 33.9 16.0 T 372
CJ99H030 1999 05 05.71667 18 57 16.00 +49 05 01.3 372
CJ99H030 1999 05 06.61354 18 55 33.50 +49 24 11.3 16.0 T 372
CJ99H030 C1999 05 06.63085 18 55 31.47 +49 24 32.1 14.5 T 365
CJ99H030 C1999 05 06.64288 18 55 30.13 +49 24 48.9 365
CJ99H030 C1999 05 06.73163 18 55 19.73 +49 26 41.4 903
CJ99H030 C1999 05 06.73934 18 55 18.72 +49 26 52.6 14.1 T 903
CJ99H030 C1999 05 07.57707 18 53 39.94 +49 44 38.1 14.1 T 903
CJ99H030 C1999 05 07.58977 18 53 38.42 +49 44 54.3 903
CJ99H030 C1999 05 07.65955 18 53 30.07 +49 46 24.1 14.6 T 360
CJ99H030 C1999 05 07.66163 18 53 29.85 +49 46 27.0 360
CJ99H030 C1999 05 07.66389 18 53 29.57 +49 46 30.0 360
CJ99H030 C1999 05 08.60359 18 51 35.02 +50 06 16.1 355
CJ99H030 C1999 05 08.61067 18 51 34.25 +50 06 25.6 355
CJ99H030 C1999 05 08.61343 18 51 33.87 +50 06 29.0 355
CJ99H030 C1999 05 08.62333 18 51 32.67 +50 06 42.3 352
CJ99H030 C1999 05 08.62750 18 51 32.22 +50 06 45.9 352
CJ99H030 C1999 05 08.63167 18 51 31.63 +50 06 52.0 352
CJ99H030 C1999 05 12.42396 18 43 13.91 +51 24 41.9 16.9 T 704
CJ99H030 C1999 05 12.43271 18 43 12.56 +51 24 54.5 17.8 T 704
CJ99H030 C1999 05 12.44207 18 43 11.36 +51 25 08.1 704
CJ99H030 C1999 05 12.45099 18 43 09.76 +51 25 19.2 17.2 T 704
CJ99H030 C1999 05 13.73108 18 40 08.98 +51 50 43.8 14.6 T 360
CJ99H030 C1999 05 13.73351 18 40 08.61 +51 50 46.5 360
CJ99H030 C1999 05 13.89868 18 39 44.92 +51 54 00.1 15.2 T 046
CJ99H030 C1999 05 13.89983 18 39 44.75 +51 54 01.6 046
CJ99H030 C1999 05 13.90113 18 39 44.56 +51 54 03.0 046
CJ99H030 C1999 05 13.90271 18 39 44.37 +51 54 04.4 046
CJ99H030 C1999 05 13.90384 18 39 44.17 +51 54 06.3 046
CJ99H030 C1999 05 16.63189 18 32 53.43 +52 46 30.2 903
CJ99H030 C1999 05 16.63707 18 32 52.74 +52 46 35.2 12.8 T 903
CJ99H030 C1999 05 19.13647 18 26 09.69 +53 32 14.6 17.3 T 750
CJ99H030 C1999 05 19.14567 18 26 08.14 +53 32 24.9 17.8 T 750
CJ99H030 C1999 05 19.16809 18 26 04.37 +53 32 49.1 18.4 T 750
CJ99H030 C1999 05 19.17429 18 26 03.40 +53 32 55.5 17.7 T 750
CJ99H030 C1999 05 20.30814 18 22 51.88 +53 52 46.9 17.0 T 704
CJ99H030 C1999 05 20.31823 18 22 49.91 +53 52 59.1 17.2 T 704
CJ99H030 C1999 05 20.32832 18 22 48.19 +53 53 09.3 17.3 T 704
CJ99H030 C1999 05 20.33843 18 22 46.41 +53 53 20.6 704
CJ99H030 C1999 05 20.34917 18 22 44.35 +53 53 30.5 704
CJ99H030 C1999 05 22.20923 18 17 18.84 +54 24 53.0 16.8 T 750
CJ99H030 C1999 05 22.21421 18 17 18.00 +54 24 57.0 17.1 T 750
CJ99H030 C1999 05 22.21841 18 17 17.21 +54 25 01.3 17.3 T 750
CJ99H030 C1999 05 27.15254 18 01 46.56 +55 39 54.7 16.2 T 750
CJ99H030 C1999 05 27.16042 18 01 44.98 +55 40 01.4 16.3 T 750
CJ99H030 C1999 05 27.20091 18 01 36.95 +55 40 35.6 16.6 T 750
CJ99H030 C1999 05 27.99190 17 58 59.03 +55 51 21.3 046
CJ99H030 C1999 05 27.99317 17 58 58.77 +55 51 22.4 046
CJ99H030 C1999 05 27.99428 17 58 58.53 +55 51 23.2 046
CJ99H030 C1999 05 30.19289 17 51 28.60 +56 19 21.4 16.5 T 750
CJ99H030 C1999 05 30.20920 17 51 25.24 +56 19 32.8 16.7 T 750
CJ99H030 C1999 05 30.22228 17 51 22.33 +56 19 41.2 16.9 T 750
CJ99H030 C1999 06 03.39073 17 36 27.62 +57 04 18.3 17.0 T 704
CJ99H030 C1999 06 03.39815 17 36 25.70 +57 04 20.8 17.3 T 704
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
352 Konan. Observer M. Hotta. 0.28-m f/5.0 reflector + CCD.
355 Hadano. Observer A. Asami. 0.28-m f/5.0 reflector + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
365 Uto Observatory. Observer F. Uto. 0.28-m f/6.3 refractor + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m
f/2.15 reflector + CCD.
750 Hobbs Observatory, Fall Creek. Observer R. Elliott. 0.3-m f/3.3 reflector
+ CCD.
903 Fukuchiyama. Observer M. Yoshimi. 0.25-m f/6.3 Schmidt-Cassegrain + CCD.
Orbital elements:
C/1999 H3 (LINEAR)
T 1999 Aug. 18.3397 TT Williams
q 3.500102 (2000.0) P Q
Peri. 101.9274 -0.3791501 -0.8283346
Node 332.7242 -0.6111725 +0.5588356
e 1.0 Incl. 115.8439 +0.6947758 +0.0395549
From 118 observations 1999 Apr. 22-June 3.
Ephemeris:
C/1999 H3 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 06 01 17 45.12 +56 40.1 3.256 3.573 99.9 16.2 13.1
1999 06 11 17 07.61 +57 54.7 3.252 3.556 99.0 16.4 13.1
1999 06 21 16 29.13 +57 56.8 3.277 3.541 96.6 16.6 13.1
1999 07 01 15 53.83 +56 51.8 3.328 3.528 92.8 16.7 13.1
1999 07 11 15 24.42 +54 55.8 3.401 3.518 88.1 16.8 13.1
1999 07 21 15 01.68 +52 27.9 3.491 3.510 82.7 16.7 13.2
1999 07 31 14 45.03 +49 44.8 3.591 3.504 77.0 16.4 13.2
1999 08 10 14 33.39 +46 58.7 3.696 3.501 71.1 15.9 13.3
1999 08 20 14 25.71 +44 17.5 3.801 3.500 65.2 15.2 13.3
1999 08 30 14 21.05 +41 46.1 3.901 3.502 59.7 14.4 13.4
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-L11
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