The GJ 4274 System
2 planets
Aquarius
GJ 4274 is a planetary system in the constellation Aquarius hosting 2 confirmed exoplanets, about 24 light-years from Earth.
GJ 4274: Star and Habitable Zone
GJ 4274
- Spectral type
- M4.5 V
- Surface temperature
- 3,228 K (Sun: 5,772 K)
- Mass
- 0.18 M☉
- Radius
- 0.19 R☉
- Luminosity
- 0.0035 L☉
- Age
- 0.1 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of GJ 4274: 0.048–0.127 AU (conservative: 0.061–0.120 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 4274 System
Discovery History
The first planet found here, GJ 4274 b, was discovered in 2026 using the radial velocity method.
Frequently Asked Questions About GJ 4274
How many planets does GJ 4274 have?
GJ 4274 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the GJ 4274 system habitable?
None of the known planets in GJ 4274 orbit within the star's habitable zone.
How far away is GJ 4274?
GJ 4274 is about 24 light-years from Earth in the constellation Aquarius.