BD+48 738 b
A confirmed exoplanet orbiting BD+48 738.
Compared with Earth
- Mass
- About 289 times Earth's mass.
- Year
- A year here lasts about 1.1 Earth years.
Planet
- Radius
- Unknown
- Mass
- 289.2 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 392.6 days
- Average distance from its star
- 1 AU
Star
- Host star
- BD+48 738
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,414 K
- Radius
- 11 × Sun
- Mass
- 0.74 × Sun
- Age
- Unknown
System
- Distance from Earth
- 2,842 light-years (871.5 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2011
- Method
- Radial Velocity
- Facility
- McDonald Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.