Hale-Bopp

GPTKB entity

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