Proxima Centauri l

GPTKB entity

Statements (50)
Predicate Object
gptkbp:instance_of gptkb:exoplanet
gptkbp:atmosphere gptkb:Unknown
gptkbp:average_temperature -39 to 30 ° C
gptkbp:contains_star Red dwarf
gptkbp:country gptkb:Unknown
gptkb:Proxima_Centauri_system
gptkb:Super-Earth
Rocky planet formation
gptkbp:discovery gptkb:European_Southern_Observatory
Radial velocity method
Closest known exoplanet to Earth.
M. G. M. Anglada-Escudé et al.
Using HARPS spectrograph
gptkbp:discovery_year gptkb:2016
gptkbp:distance_from_earth 4.24 light years
gptkbp:eccentricity 0.0
gptkbp:future_prospects Speculative
gptkbp:has_luminosity gptkb:High
3000 K
4.85 billion years
0.0015 Solar luminosities
https://www.w3.org/2000/01/rdf-schema#label Proxima Centauri l
gptkbp:is_visible_from Not visible to the naked eye
gptkbp:mass 4.24 light years
1.17 Earth masses
1.3 Earth radii
0.12 Solar masses
1.0 to 1.5 Earth masses
gptkbp:orbit_type gptkb:Proxima_Centauri
gptkbp:orbital_altitude gptkb:Unknown
Circular
0.0485 AU
gptkbp:orbital_inclination 90 degrees
gptkbp:orbital_period None known
11.2 Earth days
gptkbp:planetary_tilt gptkb:Unknown
gptkbp:potential_for_colonization Speculative
gptkbp:potential_for_habitability Moderate
gptkbp:power_source Possible
gptkbp:rotation_period gptkb:Unknown
gptkbp:semi_major_axis 0.0485 AU
gptkbp:stellar_flare_risk gptkb:High
gptkbp:stellar_system gptkb:Alpha_Centauri_system
gptkbp:surface Similar to Earth
Possibly present
gptkbp:system gptkb:Proxima_Centauri_system
gptkbp:year 11.2 Earth days
gptkbp:zone gptkb:Yes
gptkbp:bfsParent gptkb:Centaurus
gptkbp:bfsLayer 5