MPEC 1998-H29: COMET C/1998 H1 (STONEHOUSE)
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M.P.E.C. 1998-H29 Issued 1998 Apr. 27, 21:14 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 H1 (STONEHOUSE)
Observations:
CJ98H010 C1998 04 26.53337 15 28 43.45 +11 30 16.3 15.3 T 422
CJ98H010 C1998 04 26.53461 15 28 42.94 +11 30 28.0 15.2 T 422
CJ98H010 C1998 04 26.53586 15 28 42.44 +11 30 39.7 15.3 T 422
CJ98H010 C1998 04 26.53756 15 28 41.76 +11 30 55.8 15.4 T 422
CJ98H010 C1998 04 26.53865 15 28 41.30 +11 31 06.0 15.2 T 422
CJ98H010 C1998 04 26.61007 15 28 12.87 +11 42 01.5 360
CJ98H010 C1998 04 26.61215 15 28 12.04 +11 42 21.4 360
CJ98H010 C1998 04 26.61424 15 28 11.19 +11 42 41.0 360
CJ98H010 C1998 04 26.67567 15 27 46.45 +11 52 18.0 12.4 T 900
CJ98H010 C1998 04 26.67660 15 27 45.79 +11 52 43.1 14.8 N 422
CJ98H010 C1998 04 26.67763 15 27 45.42 +11 52 53.4 14.8 N 422
CJ98H010 C1998 04 26.68012 15 27 44.64 +11 53 00.2 900
CJ98H010 tC1998 04 26.69787 15 27 37.49 +11 55 45.8 12.4 T 402
CJ98H010 tC1998 04 26.70065 15 27 36.37 +11 56 11.8 402
CJ98H010 tC1998 04 26.70620 15 27 34.18 +11 57 02.9 402
CJ98H010 C1998 04 26.74427 15 27 18.83 +12 03 00.1 12.5 T 867
CJ98H010 C1998 04 26.74566 15 27 18.29 +12 03 12.9 867
CJ98H010 C1998 04 26.74960 15 27 16.71 +12 03 50.1 867
CJ98H010 C1998 04 26.79369 15 27 00.29 +12 10 40.2 046
CJ98H010 C1998 04 26.79503 15 26 59.75 +12 10 52.1 046
CJ98H010 C1998 04 26.79635 15 26 59.25 +12 11 05.0 046
CJ98H010 C1998 04 26.79700 15 26 59.03 +12 11 10.9 046
CJ98H010 C1998 04 26.79990 15 26 57.86 +12 11 39.0 12.5 T 046
CJ98H010 C1998 04 26.80690 15 26 55.06 +12 12 43.5 046
CJ98H010 C1998 04 26.80875 15 26 54.28 +12 13 01.1 046
CJ98H010 C1998 04 26.85619 15 26 35.36 +12 20 24.9 046
CJ98H010 C1998 04 26.85816 15 26 34.57 +12 20 43.3 557
CJ98H010 C1998 04 26.85910 15 26 34.20 +12 20 51.9 557
CJ98H010 C1998 04 26.86002 15 26 33.82 +12 21 00.7 557
CJ98H010 C1998 04 26.86073 15 26 33.53 +12 21 08.4 046
CJ98H010 C1998 04 26.86097 15 26 33.45 +12 21 09.2 557
CJ98H010 C1998 04 26.86191 15 26 33.08 +12 21 17.7 557
CJ98H010 C1998 04 27.00057 15 25 37.35 +12 42 54.5 616
CJ98H010 C1998 04 27.00109 15 25 37.24 +12 42 59.4 616
CJ98H010 C1998 04 27.00163 15 25 36.96 +12 43 03.9 616
CJ98H010 C1998 04 27.00218 15 25 36.83 +12 43 08.5 616
CJ98H010 C1998 04 27.21161 15 24 13.82 +13 15 34.1 750
CJ98H010 C1998 04 27.22020 15 24 10.35 +13 16 53.8 750
CJ98H010 C1998 04 27.23724 15 24 03.48 +13 19 31.9 750
CJ98H010 C1998 04 27.28980 15 23 42.36 +13 27 38.2 16.5 N 750
CJ98H010 C1998 04 27.29582 15 23 39.91 +13 28 33.4 16.2 N 750
CJ98H010 C1998 04 27.30278 15 23 37.10 +13 29 38.1 16.1 N 750
CJ98H010 C1998 04 27.31207 15 23 33.37 +13 31 03.7 16.4 N 750
CJ98H010 C1998 04 27.31440 15 23 32.42 +13 31 25.4 16.3 N 750
CJ98H010 C1998 04 27.54936 15 21 59.57 +14 07 28.7 12.4 T 900
CJ98H010 C1998 04 27.55503 15 21 57.26 +14 08 20.9 900
CJ98H010 C1998 04 27.69792 15 20 59.57 +14 30 10.0 896
CJ98H010 C1998 04 27.70417 15 20 57.04 +14 31 06.9 896
CJ98H010 C1998 04 27.70833 15 20 55.36 +14 31 44.5 896
CJ98H010 C1998 04 27.83149 15 20 07.12 +14 50 20.2 557
CJ98H010 C1998 04 27.83242 15 20 06.73 +14 50 29.0 557
CJ98H010 C1998 04 27.83336 15 20 06.37 +14 50 37.3 557
CJ98H010 C1998 04 27.83429 15 20 05.99 +14 50 45.6 557
CJ98H010 C1998 04 27.84626 15 20 01.18 +14 52 35.4 12.5 T 046
CJ98H010 C1998 04 27.84845 15 20 00.30 +14 52 55.2 046
CJ98H010 C1998 04 27.84973 15 19 59.79 +14 53 06.8 046
CJ98H010 C1998 04 27.85051 15 19 59.48 +14 53 13.9 046
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. Measurer M. Tichy.
0.57-m f/5.2 reflector + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
422 Loomberah. Observer G. J. Garradd. 0.25-m f/4.1 reflector + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
616 Brno. Observer D. Hanzl. 0.40-m f/4.4 reflector + CCD.
750 Hobbs Observatory, Fall Creek. Observer R. Elliott. 0.3-m f/3.3 reflector
+ CCD.
867 Saji Observatory. Observers A. Miyamoto, T. Oribe. 1.03-m f/4.8
reflector + CCD.
896 Yatsugatake South Base Observatory. Observers Y. Kushida, R. Kushida.
Measurer Y. Kushida. 0.40-m f/6.0 reflector + CCD.
900 Moriyama. Observer Y. Ikari. 0.25-m f/6.3 reflector + CCD.
Orbital elements:
C/1998 H1 (Stonehouse)
T 1998 Apr. 14.205 TT Marsden
q 1.48678 (2000.0) P Q
Peri. 1.146 -0.745183 -0.154911
Node 222.103 -0.619268 -0.200100
e 1.0 Incl. 104.668 -0.247405 +0.967452
From 57 observations 1998 Apr. 26-27.
Ephemeris:
C/1998 H1 (Stonehouse)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1998 04 27 15 25.63 +12 42.9 0.544 1.498 148.6 20.5 10.4
1998 05 02 14 52.47 +24 30.0 0.589 1.508 140.0 25.4 10.6
1998 05 07 14 20.75 +33 24.7 0.667 1.521 129.2 30.9 10.9
1998 05 12 13 52.25 +39 33.7 0.766 1.537 119.3 35.0 11.3
1998 05 17 13 27.92 +43 37.8 0.878 1.557 110.8 37.4 11.6
1998 05 22 13 07.95 +46 16.7 0.997 1.579 103.5 38.6 12.0
1998 05 27 12 52.05 +47 59.5 1.121 1.603 97.3 38.8 12.3
1998 06 01 12 39.71 +49 05.8 1.245 1.630 91.8 38.4 12.6
1998 06 06 12 30.36 +49 48.4 1.369 1.660 86.9 37.6 12.9
1998 06 11 12 23.50 +50 15.2 1.492 1.691 82.5 36.5 13.2
1998 06 16 12 18.68 +50 31.5 1.611 1.725 78.5 35.2 13.4
1998 06 21 12 15.55 +50 40.8 1.728 1.760 74.8 33.9 13.6
1998 06 26 12 13.85 +50 45.4 1.841 1.797 71.4 32.4 13.9
1998 07 01 12 13.34 +50 47.0 1.949 1.835 68.3 31.0 14.1
1998 07 06 12 13.85 +50 46.7 2.054 1.875 65.4 29.6 14.3
1998 07 11 12 15.21 +50 45.6 2.153 1.916 62.9 28.2 14.5
1998 07 16 12 17.32 +50 44.0 2.247 1.958 60.5 26.9 14.7
1998 07 21 12 20.10 +50 42.6 2.336 2.001 58.4 25.6 14.9
1998 07 26 12 23.47 +50 41.7 2.420 2.045 56.6 24.5 15.0
1998 07 31 12 27.37 +50 41.8 2.499 2.090 55.0 23.5 15.2
1998 08 05 12 31.75 +50 43.0 2.572 2.136 53.8 22.5 15.3
1998 08 10 12 36.57 +50 45.7 2.640 2.182 52.8 21.7 15.5
1998 08 15 12 41.80 +50 50.1 2.703 2.229 52.1 21.0 15.6
1998 08 20 12 47.42 +50 56.2 2.760 2.276 51.7 20.4 15.8
1998 08 25 12 53.43 +51 04.5 2.813 2.323 51.6 19.9 15.9
1998 08 30 12 59.80 +51 15.0 2.860 2.372 51.7 19.5 16.0
1998 09 04 13 06.52 +51 28.0 2.903 2.420 52.2 19.2 16.2
1998 09 09 13 13.59 +51 43.5 2.941 2.469 53.0 19.0 16.3
1998 09 14 13 21.01 +52 01.8 2.975 2.518 53.9 18.8 16.4
1998 09 19 13 28.80 +52 23.0 3.004 2.567 55.2 18.7 16.5
1998 09 24 13 36.96 +52 47.2 3.030 2.616 56.6 18.7 16.6
1998 09 29 13 45.49 +53 14.7 3.053 2.666 58.3 18.6 16.7
1998 10 04 13 54.42 +53 45.4 3.072 2.715 60.1 18.6 16.8
1998 10 09 14 03.76 +54 19.4 3.089 2.765 62.0 18.6 16.9
1998 10 14 14 13.53 +54 56.8 3.103 2.815 64.1 18.6 17.0
1998 10 19 14 23.77 +55 37.5 3.116 2.864 66.3 18.6 17.0
1998 10 24 14 34.51 +56 21.6 3.128 2.914 68.5 18.5 17.1
1998 10 29 14 45.77 +57 09.0 3.138 2.964 70.8 18.5 17.2
1998 11 03 14 57.60 +57 59.5 3.149 3.014 73.1 18.4 17.3
1998 11 08 15 10.05 +58 52.7 3.159 3.064 75.4 18.2 17.4
1998 11 13 15 23.16 +59 48.5 3.171 3.114 77.7 18.1 17.4
1998 11 18 15 36.98 +60 46.4 3.183 3.164 79.9 17.9 17.5
1998 11 23 15 51.58 +61 46.1 3.198 3.213 82.0 17.7 17.6
1998 11 28 16 07.00 +62 46.8 3.215 3.263 84.0 17.5 17.7
1998 12 03 16 23.29 +63 48.1 3.234 3.313 85.9 17.3 17.8
1998 12 08 16 40.52 +64 49.0 3.257 3.362 87.6 17.0 17.8
1998 12 13 16 58.72 +65 49.0 3.283 3.412 89.0 16.8 17.9
1998 12 18 17 17.93 +66 47.1 3.314 3.461 90.3 16.5 18.0
1998 12 23 17 38.16 +67 42.7 3.348 3.510 91.3 16.3 18.1
Brian G. Marsden (C) Copyright 1998 MPC M.P.E.C. 1998-H29
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