Kepler 21 A c

Exoplanet, gas giant

Star: Kepler 21 A

Distance from the star: 17.7 AU

Orbit around star: 25567 days

Basic characteristic

Mass: 1176.3 M Earth | 3.7012 M Jupiter

Year of discovery: 2024 (radial velocity)

Other designations of this exoplanet
HIP 94112 c, Kepler-21 c, KOI-975 c, KIC 3632418 c, TYC 3120-963-1 c, 2MASS J19092683+3842505 c, HD 179070 c

Kepler 21 system structure

Exoplanet Kepler 21 A c orbits star Kepler 21 A, which has bigger mass than Sun. It is one of 2 known exoplanets orbiting this star.


Kepler 21 A
	Kepler 21 A b	0.04 AU	6.7 M⊕	1.6 R⊕	2.8 days
	Kepler 21 A c unconfirmed	17.7 AU	1176.3 M⊕		25567 days
Kepler 21 B		87 AU

Comparison

When comparing to the Solar system planets, Kepler 21 A c has 3.7 times the mass of Jupiter and it orbits its star a little closer than Uranus.

		Mercury	Venus	Earth	Mars	Jupiter	Saturn	Uranus	Neptune
	Mass	21386.47	1443.26	1176.26	10693.24	3.7	12.36	80.57	68.39
	Distance	45.38	24.48	17.7	11.61	3.4	1.86	0.92	0.59

Habitability

Habitable zone of the star: 97.5 - 140.4 AU

The planet is a gas giant and has no surface.

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