The GJ 229 System
2 planets
3 stars
Lepus
GJ 229 is a planetary system in the constellation Lepus hosting 2 confirmed exoplanets around 3 stars, about 19 light-years from Earth.
Star GJ 229 and Its Habitable Zone
GJ 229
- Mass
- 0.51 M☉
All 2 Planets in the GJ 229 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| GJ 229 b | Neptune-like | 579 d | — | 0.21 | 2014 |
| GJ 229 A c | Super Earth | 122 d | — | 0.56 | 2020 |
Discovery History
The first planet found here, GJ 229 b, was discovered in 2014 using the radial velocity method. The most recent addition, GJ 229 A c, followed in 2020.
- 2014 — GJ 229 b (Radial Velocity)
- 2020 — GJ 229 A c (Radial Velocity)
Frequently Asked Questions About GJ 229
How many planets does GJ 229 have?
GJ 229 has 2 confirmed exoplanets distributed around its 3 stars. More may await discovery.
Are any planets in the GJ 229 system habitable?
None of the known planets in GJ 229 orbit within the star's habitable zone.
How far away is GJ 229?
GJ 229 is about 19 light-years from Earth in the constellation Lepus.