Planet K2-288 Bb

Detailed information about planet K2-288 Bb and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
K2-288 Bb
Planet Status
Confirmed
Discovered in
2018
Update
2024-07-28
Mass
—
Mass*sin(i)
—
Semi-Major Axis
0.164 ( ± 0.03 ) AU
Orbital Period
31.393463 ( ± 6.9e-05 ) day
Eccentricity
—
ω
—
Tperi
—
Radius
0.152 ( ± 0.0321 ) RJ
Inclination
89.81 ( +0.13 -0.17 ) deg
Detection Method
Primary Transit
Mass Meas. Method
—
Radius Meas. Method
Primary Transit
Primary transit
2457963.40237 ( ± 0.0011 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.37 ( ± 0.25 )
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
226.36 ( ± 22.3 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
EPIC 210693462 b, EPIC 210693462.01, LP 413-32 Bb
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

09 Jan 2019: The 1.7 Earth radius corresponds to the Kepler band pass. The Spitzer band pass leads to a 2.86 Earth radius (Feinstein et al. 2019). 28 Jul 2024: See also Planets in Binaries webpage.

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Star

Name
K2-288 B
Distance
65.6138 ( +0.8821 -0.8594 ) pc
Spectral type
M3V
Apparent magnitude V
—
Mass
0.33 ( ± 0.02 ) MSun
Age
1.0 Gyr
Effective temperature
3341.0 ( ± 276.0 ) K
Radius
0.32 ( ± 0.03 ) RSun
Metallicity [Fe/H]
-0.21 ( ± 0.09 )
Detected Disc
—
Magnetic Field
—
RA2000
03:41:46.4
Dec2000
+18:16:07.7
Alternate Names
EPIC 210693462, LP 413-32 B

K2-288 B is the secondary component of a binary system (a = 55 AUs) with M2 dwarf primary (K2-288 A) according to Feinstein et al. (2019).

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