The GJ 414 A System
GJ 414 A is a planetary system in the constellation Ursa Major hosting 2 confirmed exoplanets around 2 stars, about 39 light-years from Earth.
Size Comparison: The Planets of GJ 414 A
Star GJ 414 A and Its Habitable Zone
GJ 414 A
- Spectral type
- K7 V
- Surface temperature
- 4,120 K (Sun: 5,772 K)
- Mass
- 0.65 M☉
- Radius
- 0.68 R☉
- Luminosity
- 0.1190 L☉
- Age
- 12.4 billion years (Sun: 4.6)
Habitable zone of GJ 414 A: 0.279–0.702 AU (conservative: 0.353–0.666 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 414 A System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| GJ 414 A b | Mini Neptune | 51 d | 2.63 R⊕ | 0.56 | 2021 |
| GJ 414 A c | Cold Gas Giant | 750 d | 8.40 R⊕ | 0.16 | 2021 |
Discovery History
The first planet found here, GJ 414 A b, was discovered in 2021 using the radial velocity method.
- 2021 — GJ 414 A b (Radial Velocity)
- 2021 — GJ 414 A c (Radial Velocity)
Frequently Asked Questions About GJ 414 A
How many planets does GJ 414 A have?
GJ 414 A has 2 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the GJ 414 A system habitable?
None of the known planets in GJ 414 A orbit within the star's habitable zone.
How far away is GJ 414 A?
GJ 414 A is about 39 light-years from Earth in the constellation Ursa Major.
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