Q3195381
Sign in to saveAlso known as Kepler-20Ad
Kepler-20d is an exoplanet orbiting Kepler-20. It has a mass and radius similar to Neptune. Despite being the furthest planet from the star, it has an orbit similar to Mercury, meaning that it is a hot Neptune. Along with the other four planets in the system, Kepler-20d was announced on December 20, 2011.
Astronomical data · SIMBAD
- Object type
- Pl
- Distance
- 934 light-years
- Coordinates
- RA 287.6980° · Dec 42.3387°
via SIMBAD · CDS Strasbourg
Wikidata facts
Show 16 more facts
- time of discovery or invention
- 2012-04-00
- catalog code
- Kepler-20d
- discovery method
- transit method
- discoverer or inventor
- Kepler Space Telescope
- right ascension
- 287.69801450660000
- declination
- 42.33869426601861
- epoch
- J2000.0
- orbital eccentricity
- 0
- semi-major axis of an orbit
- 0.349
- orbital inclination
- 89.708
- angular distance
- 0.001191
- temperature
- 401.0
- right ascension component of proper motion
- -3.976
- declination component of proper motion
- -26.959
- parallax
- 3.5103
- M sin i
- 0.04073507769
Sources (1)
via Wikidata · CC0
~1 min read
Encyclopedic overview
1 sectionsContents
- References
Kepler-20d is an exoplanet orbiting Kepler-20. It has a mass and radius similar to Neptune. Despite being the furthest planet from the star, it has an orbit similar to Mercury, meaning that it is a hot Neptune. Along with the other four planets in the system, Kepler-20d was announced on December 20, 2011.
==References==
Excerpted from Wikipedia’s “Q3195381” article, available under the CC BY-SA 4.0 licence.