The GJ 3473 System
GJ 3473 is a planetary system in the constellation Canis Minor hosting 2 confirmed exoplanets around 2 stars, about 89 light-years from Earth.
Size Comparison: The Planets of GJ 3473
Planets without a measured radius are not shown.
Star GJ 3473 and Its Habitable Zone
GJ 3473
- Surface temperature
- 3,347 K (Sun: 5,772 K)
- Mass
- 0.36 M☉
- Radius
- 0.36 R☉
- Luminosity
- 0.0150 L☉
Habitable zone of GJ 3473: 0.100–0.262 AU (conservative: 0.127–0.249 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 3473 System
Discovery History
The first planet found here, GJ 3473 b, was discovered in 2020 using the transit method.
Frequently Asked Questions About GJ 3473
How many planets does GJ 3473 have?
GJ 3473 has 2 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the GJ 3473 system habitable?
None of the known planets in GJ 3473 orbit within the star's habitable zone.
How far away is GJ 3473?
GJ 3473 is about 89 light-years from Earth in the constellation Canis Minor.
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