astro.wikisort.org - Meteorite

K2-21c also known as EPIC 206011691 c is an exoplanet orbiting K2-21 a red dwarf, every 15.5 days 273.5 ly away.[2][3][4]

K2-21c

Discovery[1]
Discovery site	Kepler Space Observatory
Discovery date	2015
Detection method	Transit
Orbital characteristics
Semi-major axis	0.1026 AU (15,350,000 km)
Eccentricity	null[2]
Orbital period (sidereal)	15.50120[2] d
Inclination	89.08+0.63 −0.75[2]
Star	K2-21
Physical characteristics
Mean radius	1.92+0.54 −0.52[2] REarth
Mass	null[2] MEarth
Mean density	5.40+5.40 −3.50 g cm−3
Temperature	420 K (147 °C; 296 °F)

References

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