BD+49 828 b
A confirmed exoplanet orbiting BD+49 828.
Compared with Earth
- Mass
- About 509 times Earth's mass.
- Year
- A year here lasts about 7.1 Earth years.
Planet
- Radius
- Unknown
- Mass
- 508.5 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 2,590 days
- Average distance from its star
- 4.2 AU
Star
- Host star
- BD+49 828
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,943 K
- Radius
- 7.6 × Sun
- Mass
- 1.52 × Sun
- Age
- 2.34 billion years
System
- Distance from Earth
- 1,442 light-years (442 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2015
- Method
- Radial Velocity
- Facility
- McDonald Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.