gptkbp:instance_of
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gptkb:exoplanet
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gptkbp:atmosphere
|
gptkb:Unknown
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gptkbp:average_temperature
|
-39 to 30 ° C
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gptkbp:contains_star
|
Red dwarf
|
gptkbp:country
|
gptkb:Unknown
gptkb:Proxima_Centauri_system
gptkb:Super-Earth
Rocky planet formation
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gptkbp:discovery
|
gptkb:European_Southern_Observatory
Radial velocity method
Closest known exoplanet to Earth.
M. G. M. Anglada-Escudé et al.
Using HARPS spectrograph
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gptkbp:discovery_year
|
gptkb:2016
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gptkbp:distance_from_earth
|
4.24 light years
|
gptkbp:eccentricity
|
0.0
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gptkbp:future_prospects
|
Speculative
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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
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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
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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
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gptkbp:bfsParent
|
gptkb:Centaurus
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gptkbp:bfsLayer
|
5
|