The HD 133131 A System
2 planets
2 stars
Libra
HD 133131 A is a planetary system in the constellation Libra hosting 2 confirmed exoplanets around 2 stars, about 168 light-years from Earth.
Star HD 133131 A and Its Habitable Zone
HD 133131 A
- Spectral type
- G2 V
- Surface temperature
- 5,799 K (Sun: 5,772 K)
- Mass
- 0.95 M☉
- Age
- 9.7 billion years (Sun: 4.6)
All 2 Planets in the HD 133131 A System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 133131 A b | Cold Gas Giant | 649 d | — | 0.34 | 2016 |
| HD 133131 A c | Cold Gas Giant | 3,568 d | — | 0.12 | 2016 |
Discovery History
The first planet found here, HD 133131 A b, was discovered in 2016 using the radial velocity method.
- 2016 — HD 133131 A b (Radial Velocity)
- 2016 — HD 133131 A c (Radial Velocity)
Frequently Asked Questions About HD 133131 A
How many planets does HD 133131 A have?
HD 133131 A has 2 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the HD 133131 A system habitable?
None of the known planets in HD 133131 A orbit within the star's habitable zone.
How far away is HD 133131 A?
HD 133131 A is about 168 light-years from Earth in the constellation Libra.
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