Planet GJ 887 f

Detailed information about planet GJ 887 f and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
GJ 887 f
Planet Status
Candidate
Discovered in
2026
Publication
Status
—
Update
2026-02-10
Mass
—
Mass*sin(i)
0.00148 ( ± 0.00035 ) MJ
Semi-Major Axis
0.0263 ( ± 0.0009 ) AU
Orbital Period
2.21661 ( +0.0001 -9e-05 ) day
Eccentricity
—
Angular distance
—
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
0.37 ( +0.08 -0.09 ) m/s
Calculated temperature
685.0 ( +26.0 -25.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
Lacaille 9352 f, HD 217987 f
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
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.495 ( ± 0.049 ) MSun
Age
2.9 ( +8.0 -2.2 ) Gyr
Effective temperature
3688.0 ( ± 86.0 ) K
Radius
0.468 ( ± 0.022 ) 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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