GJ 273 b
A confirmed exoplanet orbiting GJ 273.
Compared with Earth
- Mass
- About 2.9 times Earth's mass.
- Starlight
- About 1.1 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 19 Earth days.
Planet
- Radius
- Unknown
- Mass
- 2.89 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- 1.06 × Earth
- Orbital period
- 18.65 days
- Average distance from its star
- 0.0911 AU
Star
- Host star
- GJ 273
- Spectral class
- M — red dwarf
- Surface temperature
- 3,382 K
- Radius
- 0.293 × Sun
- Mass
- 0.29 × Sun
- Age
- Unknown
System
- Distance from Earth
- 19.31 light-years (5.922 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2017
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.