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Celestial calendar - Comets
Celestial calendar

COMETS

In 2000 the 16 periodical comets will return to perihelions. But they can not be visible with the naked eye except the comet Enche.

Name Perihelion Time Period (years) Number of appearance Perihelion Distance (min) (a.u.*) True Distance (min) (a.u.*) Magnitude (max)
9P/Tempel 1** Jan.3 5.51 9 1.50 1.66 (Aug.27) 11.4m (Jan.)
114P/Wiseman-Skiff Jan.12 6.66 2 1.57 0.76 (Jan.2) 11.4m (Jan.2)
137P/Shoemaker-Levy 2 Feb.6 9.38   1.87    
112P/Urata-Niijima Mar.4 6.65 2 1.46 1.84 (Jan.1) 13.4 (Jan.1)
P/1986 W1 (Lovas 2) Mar.12 6.75   1.45    
108P/Ciffreo Apr.18 7.25 2 1.71 2.4 (Jan.) >15m (Jan.)
64P/Swift-Gehrels Apr.22 9.18 4 1.34 2.3 (Apr.) 11.4m (Apr.)
17P/Holmes** May 12 7.07 8 2.16 1.62 (Oct.) 11.3m (Oct.)
76P/West-Kohoutek- Ikemura June 1 6.46 4 1.60 2.3 (Jan.) 11.7m (May)
33P/Daniel** June 23 8.07 8 2.16 2.2 (Dec.) >15m
P/1991 T1 (Shoemaker-Levy5) Aug.18 8.69   1.99    
2P/Enche** Sept.10 3.30 57 ! 0.34 1.31 (Aug.29) 5.9m (Sept.18)
70P/Kojima Sept.15 7.04 4 2.00 2.0 (Dec.) 12.1m (Dec.)
14P/Wolf Nov.21 8.21 14 2.41 1.52 (Sept.18) 11.1m (Sept.)
71P/Clark Dec.2 5.51 5 1.56 1.8 (Mar.) 12.8m (Nov.-Dec.)
87P/Bus** Dec.30 6.52 3 2.18 2.1 (Jan.) 12.3m (Dec.)

* a.u. - astronomical unit: middle distance from Earth to Sun, equal 149.6 millions km.
** Jupiter comet family

Home Note: All the times in this page are expressed in universal time (UT).
For Kyiv Local_Time=UT+2h (and Local_Time=UT+3h for summer time).