The GJ 3090 System
GJ 3090 is a planetary system in the constellation Phoenix hosting 2 confirmed exoplanets, about 73 light-years from Earth.
Size Comparison: The Planets of GJ 3090
Planets without a measured radius are not shown.
GJ 3090: Star and Habitable Zone
GJ 3090
- Spectral type
- M2 V
- Surface temperature
- 3,707 K (Sun: 5,772 K)
- Mass
- 0.52 M☉
- Radius
- 0.52 R☉
- Luminosity
- 0.0455 L☉
Habitable zone of GJ 3090: 0.174–0.447 AU (conservative: 0.220–0.424 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 2 Planets in the GJ 3090 System
Discovery History
The first planet found here, GJ 3090 b, was discovered in 2022 using the transit method. The most recent addition, GJ 3090 c, followed in 2026.
Frequently Asked Questions About GJ 3090
How many planets does GJ 3090 have?
GJ 3090 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the GJ 3090 system habitable?
None of the known planets in GJ 3090 orbit within the star's habitable zone.
How far away is GJ 3090?
GJ 3090 is about 73 light-years from Earth in the constellation Phoenix.
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