V0391 Peg b
A confirmed exoplanet orbiting V0391 Peg.
Compared with Earth
- Mass
- About 1,017 times Earth's mass.
- Year
- A year here lasts about 3.2 Earth years.
Planet
- Radius
- Unknown
- Mass
- 1,017 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 1,170 days
- Average distance from its star
- 1.7 AU
Star
- Host star
- V0391 Peg
- Spectral class
- B — blue-white
- Surface temperature
- 29,300 K
- Radius
- 0.23 × Sun
- Mass
- 0.5 × Sun
- Age
- 10 billion years
System
- Distance from Earth
- 3,901 light-years (1,196 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2007
- Method
- Pulsation Timing Variations
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.