The HD 99706 System
HD 99706 is a planetary system in the constellation Ursa Major hosting 2 confirmed exoplanets, about 478 light-years from Earth.
HD 99706: Star and Habitable Zone
HD 99706
- Surface temperature
- 4,862 K (Sun: 5,772 K)
- Mass
- 1.46 M☉
- Radius
- 5.52 R☉
Habitable zone of HD 99706: 3.081–7.491 AU (conservative: 3.903–7.102 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
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All 2 Planets in the HD 99706 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 99706 b | Cold Gas Giant | 841 d | — | 0.25 | 2011 |
| HD 99706 c | Cold Gas Giant | 1,278 d | — | 0.30 | 2016 |
Discovery History
The first planet found here, HD 99706 b, was discovered in 2011 using the radial velocity method. The most recent addition, HD 99706 c, followed in 2016.
- 2011 — HD 99706 b (Radial Velocity)
- 2016 — HD 99706 c (Radial Velocity)
Frequently Asked Questions About HD 99706
How many planets does HD 99706 have?
HD 99706 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 99706 system habitable?
None of the known planets in HD 99706 orbit within the star's habitable zone.
How far away is HD 99706?
HD 99706 is about 478 light-years from Earth in the constellation Ursa Major.
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