HD 176986 c
A confirmed exoplanet orbiting HD 176986.
Compared with Earth
- Mass
- About 9.8 times Earth's mass.
- Temperature
- About 285 °C (545 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 23 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 17 Earth days.
Planet
- Radius
- Unknown
- Mass
- 9.75 × Earth
- Density
- Unknown
- Equilibrium temperature
- 558 K
- Starlight received
- 22.9 × Earth
- Orbital period
- 16.81 days
- Average distance from its star
- 0.1187 AU
Star
- Host star
- HD 176986
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,931 K
- Radius
- 0.782 × Sun
- Mass
- 0.789 × Sun
- Age
- 4.3 billion years
System
- Distance from Earth
- 90.62 light-years (27.78 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2017
- Method
- Radial Velocity
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.