HD 11977 b
A confirmed exoplanet orbiting HD 11977.
Compared with Earth
- Mass
- About 2,080 times Earth's mass.
- Year
- A year here lasts about 1.9 Earth years.
Planet
- Radius
- Unknown
- Mass
- 2,080 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 711 days
- Average distance from its star
- 1.93 AU
Star
- Host star
- HD 11977
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,970 K
- Radius
- 10.09 × Sun
- Mass
- 1.91 × Sun
- Age
- 1.2 billion years
System
- Distance from Earth
- 221.6 light-years (67.93 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2005
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.