HIP 81991 b
A confirmed exoplanet orbiting HIP 81991.
Compared with Earth
- Mass
- About 3,019 times Earth's mass.
- Year
- A year here lasts about 16 Earth years.
Planet
- Radius
- Unknown
- Mass
- 3,019 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 5,860 days
- Average distance from its star
- 6.4 AU
Star
- Host star
- HIP 81991
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,100 K
- Radius
- Unknown
- Mass
- 1.09 × Sun
- Age
- Unknown
System
- Distance from Earth
- 143.2 light-years (43.9 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2026
- Method
- Radial Velocity
- Facility
- Multiple Facilities
Data from the NASA Exoplanet Archive, synced October 14, 2026.