GJ 3090 b
A confirmed exoplanet orbiting GJ 3090.
Compared with Earth
- Size
- About 2.2 times Earth's width.
- Mass
- About 4.5 times Earth's mass.
- Temperature
- About 450 °C (842 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 45 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.9 Earth days.
Planet
- Radius
- 2.18 × Earth
- Mass
- 4.52 × Earth
- Density
- 2.4 g/cm³
- Equilibrium temperature
- 723 K
- Starlight received
- 45.4 × Earth
- Orbital period
- 2.853 days
- Average distance from its star
- 0.0316 AU
Star
- Host star
- GJ 3090
- Spectral class
- M — red dwarf
- Surface temperature
- 3,707 K
- Radius
- 0.516 × Sun
- Mass
- 0.519 × Sun
- Age
- Unknown
System
- Distance from Earth
- 73.3 light-years (22.48 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2022
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.