Statements (59)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:observatory
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:Harpalyke
|
| gptkbp:apparent_magnitude |
-1.0 at peak
|
| gptkbp:archaeological_findings |
ongoing studies of its properties
|
| gptkbp:atmosphere |
affects tail formation
produces coma and tail |
| gptkbp:body_style |
approximately 40 km
|
| gptkbp:collaborations |
involved multiple observatories
|
| gptkbp:community_engagement |
generated significant media coverage
|
| 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 gptkb:Arizona,_USA visual observation |
| gptkbp:distance |
approximately 3.5 AU
|
| gptkbp:eccentricity |
0.995
|
| gptkbp:elevation |
highly elliptical
performed to predict its path |
| gptkbp:end_date |
1997-12-15
|
| gptkbp:first_appearance |
1996-07-23
|
| gptkbp:future_plans |
not expected for thousands of years
|
| gptkbp:has_gameplay_element |
calculated for its trajectory.
|
| gptkbp:has_luminosity |
high activity during approach
|
| gptkbp:has_spectral_type |
C2 and C3 gases
|
| gptkbp:historical_event |
part of the history of comet observations
|
| 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:instrument |
telescopes and cameras
|
| gptkbp:is_observed_in |
gptkb:physicist
extensive records kept by astronomers |
| gptkbp:isotopes |
icy and rocky material
|
| gptkbp:length |
up to 100 million kilometers
|
| gptkbp:lighting |
magnitude 0 or brighter at peak
|
| gptkbp:mission |
1997-04-01
|
| gptkbp:orbital_inclination |
89.4 degrees
|
| gptkbp:orbital_period |
approximately 2,533 years
influenced by gravitational interactions |
| gptkbp:origin |
named after its discoverers
|
| gptkbp:photography |
amateur astronomers
|
| gptkbp:public_awareness |
millions of people observed it
|
| gptkbp:publishes |
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_classification |
not classified as a periodic comet
|
| gptkbp:significance |
one of the brightest comets of the 20th century
|
| gptkbp:storage |
collected during its visibility
|
| gptkbp:tail_type |
long-period comet
dust and gas opposite to the Sun |
| gptkbp:vision |
gptkb:theorem
|
| gptkbp:year_created |
gptkb:1995
|