Planet GJ 1214 b

Detailed information about planet GJ 1214 b and its parameters.

Planet

Name
GJ 1214 b
Planet Status
Confirmed
Discovered in
2009
Publication
Status
—
Update
2025-11-24
Mass
Mass*sin(i)
—
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
0.001077 arcsec
ω
Tperi
—
Radius
Inclination
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference
He
Measurements Detected 2019 - CROSSFIELD I.
Measurements Detected 2022 - ORELL-MIQUEL J.
Measurements Detected 2022 - SPAKE J.

3 Dec 2010: The planet may transit spots of the stellar surface (Berta et al. 2010)

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Star

Name
GJ 1214
Distance
Spectral type
M
Apparent magnitude V
14.71
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
—
Magnetic Field
—
RA2000
17:15:19.0
Dec2000
+04:57:50.0
Alternate Names
—

No remarks

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