K2-3c

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K2-3c
Exoplanet List of exoplanets
Size comparison
Earth K2-3c
The Earth seen from Apollo 17.jpg Exoplanet
Parent star
Star K2-3
Right ascension (α) 11h29m20.39s [1]
Declination (δ) -01d27m17.2s[1]
Distance 137±6.5 ly
(42±2[1] pc)
Mass (m) 0.612±0.086[1] M
Radius (r) 0.553±0.041[1] R
Temperature (T) null[1] K
Metallicity [Fe/H] null[1]
Age null[1] Gyr
Physical characteristics
Mass (m) 2.1+2.1
−1.3
[1] M
Radius (r) 1.644+0.160
−0.065
[1] R
Density (ρ) 1.82+3.00
−0.96
[1] g cm−3
Temperature (T) 374 K (101 °C; 214 °F)
Orbital elements
Semi-major axis (a) 0.1405±0.0067[1] AU
Eccentricity (e) 0.04±0.04[1]
Orbital period (P) 24.6491±0.0033[1] d
Inclination (i) 89.70±0.20[1]°
Discovery information
Discovery date 2015
Discoverer(s)
Discovery method Transit
Discovery site Kepler Space Observatory
Discovery status Confirmed

K2-3c also known as EPIC 201367065 c is an exoplanet orbiting K2-3 a red dwarf, every 24 days 137 ly away.[1][2] It has a density of 1.82g/cm3 indicating that it could be a Gas dwarf or a Mini-Neptune, it is one of the smallest gas planets ever discovered. Despite not being the smallest planet in the system by radius,[3] by mass it is by far the least massive with a mass only double of that of Earth.[3]

References

  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 Lua error in package.lua at line 80: module 'strict' not found.
  2. http://exoplanet.eu/catalog/K2-3_c/
  3. 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.

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