K2-315
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| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Libra[1] |
| Right ascension | 15h 12m 05.19s[2] |
| Declination | −20° 06′ 30.55″[2] |
| Apparent magnitude (V) | 17.67[2] |
| Characteristics | |
| Evolutionary stage | Red dwarf |
| Spectral type | M3.5V[2] |
| Astrometry | |
| Radial velocity (Rv) | +6.25[2] km/s |
| Proper motion (μ) | RA: −120.3[2] mas/yr Dec.: +74.7[2] mas/yr |
| Distance | 185[2] ly (56.8 pc) |
| Details[2] | |
| Mass | 0.174 M☉ |
| Radius | 0.196 R☉ |
| Luminosity | 0.0041 L☉ |
| Surface gravity (log g) | 5.094 cgs |
| Temperature | 3,300 K |
| Metallicity [Fe/H] | −0.24 dex |
| Rotational velocity (v sin i) | <5 km/s |
| Age | >1 Gyr |
| Other designations | |
K2-315, EPIC 249631677 | |
| Database references | |
| SIMBAD | data |
The location of K2-315 (circled in red)
K2-315 is a star in the constellation Libra.[3] It is orbited by the exoplanet K2-315b.[4][5] K2-315 is a red dwarf star recently discovered in 2020, and not much is known about the star.[6]
Planetary system[]
In 2020, a rock terrestrial was discovered by the Kepler K2 Mission. Its equilibrium temperature is 460±5, making it unlikely to be habitable.[7]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 1? M
|