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Encyclopedia > Charles T. Kowal

Charles Thomas Kowal (born November 8, 1940) is an American astronomer.


He discovered two moons of Jupiter: Leda in 1974 and Themisto in 1975, although the latter was lost and not rediscovered until 2000.


He also discovered the unusual asteroid/comet 2060 Chiron in 1977.


Besides Chiron he discovered or co_discovered a number of other asteroids, including notably the Aten asteroid 2340 Hathor; the Apollo asteroids 1981 Midas, 2063 Bacchus, 2102 Tantalus, and (5660) 1974 MA; the Amor asteroids (4596) 1981 QB and (4688) 1980 WF; and the Trojan asteroids 2241 Alcathous and 2594 Acamas.


He also discovered many supernovas in other galaxies, and discovered or co-discovered some comets, including periodic comets 99P/Kowal, 104P/Kowal, 134P/Kowal-Vavrova, 143P/Kowal-Mrkos, 158P/Kowal-LINEAR (and Chiron has the cometary designation 95P/Chiron).



Asteroids discovered: 19
1876 Napolitania January 31, 1970
1939 Loretta October 17, 1974
1981 Midas March 6 1973
2060 Chiron October 18, 1977
2063 Bacchus April 24, 1977
2102 Tantalus December 27, 1975
2134 Dennispalm December 24, 1976
2241 Alcathous November 22, 1979
2340 Hathor October 22, 1976
2594 Acamas October 4 1978
2629 Rudra September 13, 1980
3163 Randi August 28, 1981
3924 Birch February 11, 1977 with E. Bowell
4312 Knacke November 29, 1978 with S. J. Bus
(4596) 1981 QB August 28, 1981
(4688) 1980 WF November 29, 1980
(5660) 1974 MA June 26, 1974
(24617) 1978 WU November 29, 1978 with S. J. Bus
(73669) 1981 WL2 November 25, 1981





  Results from FactBites:
 
MSN Encarta - Related Items - Cosmology (45 words)
A 13th satellite has been added to Jupiter's system through the cooperative effort of several American observatories.
Charles T. Kowal of California's Hale Observatories located an exceedingly faint object a degree southwest of Jupiter.
The nature of Kowal's find was ambiguous for some time; though...
1997 UB = 2060 Chiron (708 words)
Charles T. Kowal, who discovered Chiron in 1977, named this exotic giant comet (it's a very unusual comet, about 15 times bigger than 1P/Halley and with some kind of cold vulcanism of methane and without water, which is very different to normal cometary activity.
Because Chiron's orbit lies between Saturn and Uranus, Kowal decide to name 1977 UB after this Centaur, who's father was Saturn (Chronos) and who's grandfather was Uranos.
Chiron remains a long time the only Centaur in the solar system, until in 1992 the second (but very different in composition) dark red Centaur 1992 AD was discovered by Rabinowitz, which was soon named after a friend of Chiron in mythology: Pholus (greek Pholos).
  More results at FactBites »


 

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