HD 103720 b
A confirmed exoplanet orbiting HD 103720.
Compared with Earth
- Mass
- About 197 times Earth's mass.
- Year
- A year here lasts about 4.6 Earth days.
Planet
- Radius
- Unknown
- Mass
- 197 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 4.556 days
- Average distance from its star
- 0.0498 AU
Star
- Host star
- HD 103720
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,017 K
- Radius
- 0.73 × Sun
- Mass
- 0.794 × Sun
- Age
- 3.8 billion years
System
- Distance from Earth
- 148.5 light-years (45.54 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2014
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.