Planet K2-257 b
Detailed information about planet K2-257 b and its parameters.
Planet
- Name
- K2-257 b
- Planet Status
-
Confirmed
- Discovered in
-
2018
- Mass
-
—
- Mass*sin(i)
-
—
- Semi-Major Axis
- Orbital Period
- Eccentricity
-
—
- ω
-
—
- Tperi
-
—
- Radius
- Inclination
-
—
- Update
-
2021-02-05
- Detection Method
-
Primary Transit
- Mass Detection Method
-
—
- Radius Detection Method
-
—
- Primary transit
-
—
- Secondary transit
-
—
- λ
-
—
- Impact Parameter b
-
0.4 ( -0.27 +0.31 ) 1 publication number of publications
- Time Vr=0
-
—
- Velocity Semiamplitude K
-
—
- Calculated temperature
- Measured temperature
-
—
- Hottest point longitude
-
—
- Geometric albedo
-
—
- Surface gravity log(g/gH)
-
—
- Alternate Names
-
2MASS J12330683-0157113 b, EPIC 228974324 b, EPIC 228974324.01, WISE J123306.80-015711.7 b
| Data Source | Type | Result Value | Result Figure | Notes | Reference |
|---|
| Molecule | Data Source | Type | Result Value | Result Figure | Notes | Reference |
|---|
No remarks
No link
Star
- Name
- K2-257
- Distance
-
64.1 pc
- Spectral type
-
—
- Apparent magnitude V
-
—
- Mass
-
0.52 MSun
- Age
-
—
- Effective temperature
-
3725.0 K
- Radius
-
0.5 RSun
- Metallicity [Fe/H]
-
-0.03 ( -0.18 +0.17 )
- Detected Disc
-
—
- Magnetic Field
-
—
- RA2000
-
12:33:06.8
- Dec2000
-
-01:57:11.4
- Alternate Names
-
2MASS J12330683-0157113, EPIC 228974324, WISE J123306.80-015711.7
No remarks
No link
- Simbad
- Most recent references (ADS)