HD 115954 b
A confirmed exoplanet orbiting HD 115954.
Compared with Earth
- Mass
- About 2,635 times Earth's mass.
- Temperature
- About -128 °C (-199 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 6.4% of the starlight Earth gets from the Sun.
- Year
- A year here lasts about 10 Earth years.
Planet
- Radius
- Unknown
- Mass
- 2,635 × Earth
- Density
- Unknown
- Equilibrium temperature
- 144.9 K
- Starlight received
- 0.064 × Earth
- Orbital period
- 3,700 days
- Average distance from its star
- 5 AU
Star
- Host star
- HD 115954
- Spectral class
- G — sun-like
- Surface temperature
- 5,957 K
- Radius
- 1.213 × Sun
- Mass
- 1.18 × Sun
- Age
- Unknown
System
- Distance from Earth
- 285.9 light-years (87.64 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2021
- Method
- Radial Velocity
- Facility
- Haute-Provence Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.