The GJ 3929 System
GJ 3929 is a planetary system in the constellation Corona Borealis hosting 2 confirmed exoplanets, about 52 light-years from Earth.
Size Comparison: The Planets of GJ 3929
Planets without a measured radius are not shown.
GJ 3929: Star and Habitable Zone
GJ 3929
- Surface temperature
- 3,384 K (Sun: 5,772 K)
- Mass
- 0.31 M☉
- Radius
- 0.32 R☉
- Luminosity
- 0.0109 L☉
- Age
- 7.1 billion years (Sun: 4.6)
Habitable zone of GJ 3929: 0.086–0.223 AU (conservative: 0.108–0.212 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 3929 System
Discovery History
The first planet found here, GJ 3929 b, was discovered in 2022 using the transit method.
Frequently Asked Questions About GJ 3929
How many planets does GJ 3929 have?
GJ 3929 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the GJ 3929 system habitable?
None of the known planets in GJ 3929 orbit within the star's habitable zone.
How far away is GJ 3929?
GJ 3929 is about 52 light-years from Earth in the constellation Corona Borealis.
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