BD+15 2940 b
A confirmed exoplanet orbiting BD+15 2940.
Compared with Earth
- Mass
- About 353 times Earth's mass.
- Year
- A year here lasts about 137 Earth days.
Planet
- Radius
- Unknown
- Mass
- 352.8 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 137.5 days
- Average distance from its star
- 0.539 AU
Star
- Host star
- BD+15 2940
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,796 K
- Radius
- 14.7 × Sun
- Mass
- 1.1 × Sun
- Age
- 7.1 billion years
System
- Distance from Earth
- 1,391 light-years (426.4 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2013
- Method
- Radial Velocity
- Facility
- McDonald Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.