The HD 134987 System
HD 134987 is a planetary system in the constellation Libra hosting 2 confirmed exoplanets, about 85 light-years from Earth.
HD 134987: Star and Habitable Zone
HD 134987
- Surface temperature
- 5,736 K (Sun: 5,772 K)
- Mass
- 1.10 M☉
- Radius
- 1.22 R☉
Habitable zone of HD 134987: 0.905–2.134 AU (conservative: 1.146–2.023 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
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All 2 Planets in the HD 134987 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 134987 b | Cold Gas Giant | 258 d | — | 0.30 | 1999 |
| HD 134987 c | Cold Gas Giant | 5,000 d | — | 0.12 | 2009 |
Discovery History
The first planet found here, HD 134987 b, was discovered in 1999 using the radial velocity method. The most recent addition, HD 134987 c, followed in 2009.
- 1999 — HD 134987 b (Radial Velocity)
- 2009 — HD 134987 c (Radial Velocity)
Frequently Asked Questions About HD 134987
How many planets does HD 134987 have?
HD 134987 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 134987 system habitable?
None of the known planets in HD 134987 orbit within the star's habitable zone.
How far away is HD 134987?
HD 134987 is about 85 light-years from Earth in the constellation Libra.
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