|
gptkbp:instanceOf
|
gptkb:Titan
|
|
gptkbp:alsoKnownAs
|
gptkb:C/1995_O1
|
|
gptkbp:aphelion
|
370 AU
|
|
gptkbp:apparentMagnitude
|
-1.8
|
|
gptkbp:composition
|
gptkb:methanol
dust
water ice
ammonia
carbon monoxide
hydrocarbons
|
|
gptkbp:discoveredBy
|
gptkb:Thomas_Bopp
gptkb:Alan_Hale
|
|
gptkbp:discoveredIn
|
July 23, 1995
|
|
gptkbp:eccentricity
|
0.9951
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
gptkb:Southern_Hemisphere
|
|
gptkbp:inclination
|
89.4°
|
|
gptkbp:notableFor
|
exceptional brightness
visible to naked eye for 18 months
one of the most observed comets of the 20th century
|
|
gptkbp:nucleusDiameter
|
~60 km
|
|
gptkbp:observedBy
|
amateur astronomers
professional astronomers
|
|
gptkbp:orbitType
|
~2,533 years
|
|
gptkbp:origin
|
gptkb:Oort_Cloud
|
|
gptkbp:perihelion
|
1997
April 1, 1997
0.914 AU
4385 AD
|
|
gptkbp:photographed
|
gptkb:Hubble_Space_Telescope
ground-based telescopes
|
|
gptkbp:relatedEvent
|
gptkb:Heaven's_Gate_mass_suicide
|
|
gptkbp:spectralType
|
carbon-rich
|
|
gptkbp:tailLength
|
dust tail
ion tail
up to 40 million km
|
|
gptkbp:bfsParent
|
gptkb:Hale-Bopp_comet_event
gptkb:Sol_System
gptkb:COMET
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Comet Hale-Bopp
|