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Encke's comet

subject fact

Encke's comet is a part of our solar system 2001-09-27 09:32:21.0
has definition The comet with the shortest known period (3.30 years) (a = 2.21 AU, e = 0.847, i = 12^°.4). It has been observed at every apparition since its discovery in 1819. Its period is gradually decreasing. Named after J. F. Encke, who computed its orbit. (It was discovered by Pons.) has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:31:54.0
is an instance of comet

comet is a part of our solar system 2001-09-27 09:32:21.0

celestial body has spectra 2001-09-27 09:30:09.0

physical object has location or center of gravity 2001-09-27 09:27:27.0
has angular momentum
has mass
has velocity
has momentum
has temperature
has volume
has extent
has material

Encke's comet	is a part of our solar system
	has definition The comet with the shortest known period (3.30 years) (a = 2.21 AU, e = 0.847, i = 12^°.4). It has been observed at every apparition since its discovery in 1819. Its period is gradually decreasing. Named after J. F. Encke, who computed its orbit. (It was discovered by Pons.)
	is an instance of comet
comet	is a part of our solar system
celestial body	has spectra
physical object	has location or center of gravity
	has angular momentum
	has mass
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material