K2-21c
Parent star
StarK2-21
ConstellationAquarius
Right ascension(α)22h 41m 12.8862s
Declination(δ)−14° 29′ 20.349″
Distance7002273500000000000♠273.5±0.9 ly
(7001838000000000000♠83.8±0.3 pc)
Mass(m)0.64±0.11 M
Radius(r)0.60±0.10 R
Temperature(T)4043±375 K
Metallicity[Fe/H]-0.11±0.13
Age>1 Gyr