TYC 3667-1280-1 b
A confirmed exoplanet orbiting TYC 3667-1280-1.
Compared with Earth
- Mass
- About 1,716 times Earth's mass.
- Temperature
- About 1,077 °C (1,970 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 26 Earth days.
Planet
- Radius
- Unknown
- Mass
- 1,716 × Earth
- Density
- Unknown
- Equilibrium temperature
- 1,350 K
- Starlight received
- Unknown
- Orbital period
- 26.47 days
- Average distance from its star
- 0.21 AU
Star
- Host star
- TYC 3667-1280-1
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,130 K
- Radius
- 6.26 × Sun
- Mass
- 1.87 × Sun
- Age
- 1.35 billion years
System
- Distance from Earth
- 1,557 light-years (477.5 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2016
- Method
- Radial Velocity
- Facility
- McDonald Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.