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Kepler-20 e
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Kepler-20e is an exoplanet orbiting Kepler-20. The planet is notable as it is the first planet with a smaller radius than Earth found orbiting a Sun-like star. The planet is second-closest to the star after Kepler-20b, and at , it is far too hot to have liquid water on its surface. Along with the other four planets in the system, Kepler-20e was announced on 20 December 2011.
Astronomical data · SIMBAD
- Object type
- Pl
- Distance
- 934 light-years
- Coordinates
- RA 287.6980° · Dec 42.3387°
via SIMBAD · CDS Strasbourg
Key facts
- Planet.name
- Kepler-20e
- Planet.image
- Kepler-20e_Planet.jpg
- Planet.caption
- An artist's depiction of Kepler-20e
- Planet.discoverer
- Kepler team
- Planet.discovered
- 20 December 2011
- Planet.discovery_method
- Transit (Kepler Mission)
- Planet.apsis
- astron
- Planet.eccentricity
- <0.28
- Planet.period
- 6.098493 d
- Planet.star
- Kepler-20 (KOI-070)
- Planet.mass
- 0.39-1.67
via Wikipedia infobox
Exoplanet data
- Host star
- Kepler-20
- Discovered
- 2011
- Discovered by
- Kepler
- Orbital period
- 6.10 days
- Radius
- 0.82 × Earth
- Mass
- 0.76 × Earth
- Equilibrium temp
- 1004 K
- Distance
- 282.56 pc
via NASA Exoplanet Archive
Wikidata facts
- Diameter
- 14000
- Radius
- 0.06994
- Mass
- 0.01
- Orbital period
- 6.09852281
- Image
- Kepler-20e Planet.jpg
Show 12 more facts
- catalog code
- Kepler-20e
- time of discovery or invention
- 2012-02-00
- Commons category
- Kepler-20 e
- right ascension
- 287.69801450660000
- declination
- 42.33869426601861
- semi-major axis of an orbit
- 0.064
- orbital inclination
- 87.632
- angular distance
- 0.000175
- right ascension component of proper motion
- -3.976
- declination component of proper motion
- -26.959
- parallax
- 3.5103
- orbital eccentricity
- 0
Sources (1)
via Wikidata · CC0
~2 min read
Article
2 sectionsContents
- Orbit
- References
Kepler-20e is an exoplanet orbiting Kepler-20. The planet is notable as it is the first planet with a smaller radius than Earth found orbiting a Sun-like star. The planet is second-closest to the star after Kepler-20b, and at , it is far too hot to have liquid water on its surface. Along with the other four planets in the system, Kepler-20e was announced on 20 December 2011.
Kepler-20e is the first planet smaller than the Earth discovered to orbit a star other than the Sun. A year on Kepler-20e only lasts 6 days, as it is much closer to its host star than the Earth is to the Sun. The temperature at the surface of the planet, around 1400 degrees Fahrenheit, is much too hot to support life, as we know it.