Statements (59)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:Asteroids
|
gptkbp:apparent_magnitude |
-1.0 at peak
|
gptkbp:body_shape |
approximately 40 km
|
gptkbp:collaborations |
involved multiple observatories
|
gptkbp:cometary_classification |
not classified as a periodic comet
|
gptkbp:cometary_dynamics |
influenced by gravitational interactions
|
gptkbp:cometary_history |
part of the history of comet observations
|
gptkbp:cometary_nucleus |
icy and rocky material
|
gptkbp:cometary_outgassing |
produces coma and tail
|
gptkbp:cometary_research |
ongoing studies of its properties
|
gptkbp:cometary_type |
long-period comet
|
gptkbp:conference |
discussed in various astronomy conferences
|
gptkbp:cultural_impact |
inspired literature and music
featured in media and art |
gptkbp:discovered_by |
gptkb:Thomas_Bopp
gptkb:Alan_Hale |
gptkbp:discovery |
gptkb:Arizona,_USA
visual observation |
gptkbp:discovery_year |
gptkb:1995
|
gptkbp:distance |
approximately 3.5 AU
|
gptkbp:eccentricity |
0.995
|
gptkbp:element |
calculated for its trajectory.
|
gptkbp:first_visible_date |
1996-07-23
|
gptkbp:future_visibility |
not expected for thousands of years
|
gptkbp:has_luminosity |
high activity during approach
|
gptkbp:has_spectral_type |
C2 and C3 gases
|
gptkbp:historical_significance |
notable for its long visibility
|
https://www.w3.org/2000/01/rdf-schema#label |
Hale-Bopp
|
gptkbp:impact |
contributed to understanding of comet behavior
increased public interest in comets |
gptkbp:is_observed_in |
gptkb:Earth
|
gptkbp:last_visible_date |
1997-12-15
|
gptkbp:lighting |
magnitude 0 or brighter at peak
|
gptkbp:observational_records |
extensive records kept by astronomers
|
gptkbp:orbital_altitude |
highly elliptical
performed to predict its path |
gptkbp:orbital_inclination |
89.4 degrees
|
gptkbp:orbital_period |
approximately 2,533 years
|
gptkbp:origin |
named after its discoverers
|
gptkbp:perihelion |
1997-04-01
|
gptkbp:photography |
amateur astronomers
|
gptkbp:public_interest |
generated significant media coverage
|
gptkbp:public_observations |
millions of people observed it
|
gptkbp:publications |
books and articles written about it
numerous papers published about it |
gptkbp:research |
photometry and spectroscopy
studied for its chemical composition 1995 to 1997 weather and light pollution |
gptkbp:scientific_instruments |
telescopes and cameras
|
gptkbp:significance |
one of the brightest comets of the 20th century
|
gptkbp:solar_radiation_pressure |
affects tail formation
|
gptkbp:storage |
collected during its visibility
|
gptkbp:tail_direction |
opposite to the Sun
|
gptkbp:tail_length |
up to 100 million kilometers
|
gptkbp:tail_type |
dust and gas
|
gptkbp:visible_to_naked_eye |
gptkb:true
|
gptkbp:bfsParent |
gptkb:Harpalyke
|
gptkbp:bfsLayer |
6
|