Neptune system

GPTKB entity

Statements (60)
Predicate Object
gptkbp:instance_of gptkb:observatory
gptkbp:bfsLayer 6
gptkbp:bfsParent gptkb:Il_Nettuno
gptkbp:age Approximately 4.5 billion years.
gptkbp:atmosphere gptkb:Helium
Storms
Methane
Hydrogen
Clouds
Faint rings
gptkbp:average_temperature -214° C
gptkbp:composed_of Dust and ice particles
gptkbp:country gptkb:Despina
gptkb:Triton
gptkb:Galatea
gptkb:Thalassa
gptkb:Naiad
gptkb:mythological_figure
gptkb:Proteus
gptkb:Larissa
gptkb:Neptune
gptkbp:cultural_significance Named after the Roman god of the sea.
gptkbp:diameter 49,244 km
48,600 km
gptkbp:distance 4.5 billion km
gptkbp:field gptkb:battle
gptkbp:historical_significance First planet discovered by mathematical predictions.
https://www.w3.org/2000/01/rdf-schema#label Neptune system
gptkbp:investment 1.5 bar
gptkbp:is_explored_in gptkb:Voyager_2
Studied by Hubble Space Telescope.
Studied by ground-based telescopes.
Studied by various space missions.
Voyager 2 provided first close-up images.
gptkbp:is_part_of gptkb:observatory
gptkbp:max_speed 2100 km/h
gptkbp:notable_feature gptkb:Great_Dark_Spot
gptkb:Neptune's_rings
Despina's surface composition
Galatea's orbital resonance
Larissa's surface features
Naiad's surface features
Nereid's eccentric orbit
Proteus's irregular shape
Thalassa's surface features
Triton's geysers
Triton's retrograde orbit
gptkbp:orbital_inclination 1.77°
gptkbp:orbital_period 165 Earth years
16 hours
With Uranus.
gptkbp:produced_by Formed from the solar nebula.
gptkbp:ring_name gptkb:Neptune's_rings
gptkbp:seasonal_activities gptkb:battle
gptkbp:significance Study of planetary atmospheres.
gptkbp:surface 11.15 m/s²
Bright clouds.
Dark spots.
Faint rings.
gptkbp:year_created 1846