Planet K2-21 b
Detailed information about planet K2-21 b and its parameters.
Planet
- Name
- K2-21 b
- Planet Status
-
Confirmed
- Discovered in
-
2015
- Mass
-
0.00623 MJ
- Mass*sin(i)
-
—
- Semi-Major Axis
- Orbital Period
- Eccentricity
- ω
- Tperi
-
—
- Radius
- Inclination
- Update
-
2023-05-22
- Detection Method
-
Primary Transit
- Mass Detection Method
-
TTV
- Radius Detection Method
-
Primary Transit
- Primary transit
-
2456989.4239 JD
- 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
-
2MASS J22411288-1429202 b, EPIC 206011691 b, EPIC 206011691.01, WISE J224112.90-142921.1 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
- K2-21
- Distance
-
83.85 pc
- Spectral type
-
M0.0
- Apparent magnitude V
-
12.85
- Mass
-
0.68 MSun
- Age
-
—
- Effective temperature
-
4222.06 K
- Radius
-
0.65 RSun
- Metallicity [Fe/H]
-
-0.11 (± 0.13)
- Detected Disc
-
—
- Magnetic Field
-
—
- RA2000
-
22:41:12.9
- Dec2000
-
-14:29:20.4
- Alternate Names
-
2MASS 22411288-1429202, 2MASS J22411288-1429202, EPIC 206011691, WISE J224112.90-142921.1
No remarks
No link
- Simbad
- Most recent references (ADS)