Planet GJ 887 c

Detailed information about planet GJ 887 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
GJ 887 c
Planet Status
Confirmed
Discovered in
2020
Update
2024-08-06
Mass
0.0239 ( ± 0.0038 ) MJ
Mass*sin(i)
0.0239 ( ± 0.0038 ) MJ
Semi-Major Axis
0.12 ( ± 0.004 ) AU
Orbital Period
21.789 ( ± 0.005 ) day
Eccentricity
—
ω
—
Tperi
—
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
2.8 ( ± 0.4 ) m/s
Calculated temperature
352.0 K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
Lacaille 9352 c
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

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Star

Name
GJ 887
Distance
3.2871 ( ± 0.0005 ) pc
Spectral type
M1V
Apparent magnitude V
7.34
Mass
0.489 ( ± 0.05 ) MSun
Age
—
Effective temperature
3688.0 ( ± 86.0 ) K
Radius
0.4712 ( ± 0.086 ) RSun
Metallicity [Fe/H]
-0.06 ( ± 0.08 )
Detected Disc
—
Magnetic Field
—
RA2000
23:05:52.0
Dec2000
-35:51:11.0
Alternate Names
HD 217987, Lacaille 9352

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