The HD 200964 System
2 planets
Equuleus
HD 200964 is a planetary system in the constellation Equuleus hosting 2 confirmed exoplanets, about 237 light-years from Earth.
HD 200964: Star and Habitable Zone
HD 200964
- Surface temperature
- 4,982 K (Sun: 5,772 K)
- Mass
- 1.39 M☉
- Radius
- 4.92 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of HD 200964: 2.867–6.938 AU (conservative: 3.632–6.578 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 HD 200964 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 200964 b | Cold Gas Giant | 606 d | — | 0.24 | 2010 |
| HD 200964 c | Cold Gas Giant | 853 d | — | 0.29 | 2010 |
Discovery History
The first planet found here, HD 200964 b, was discovered in 2010 using the radial velocity method.
- 2010 — HD 200964 b (Radial Velocity)
- 2010 — HD 200964 c (Radial Velocity)
Frequently Asked Questions About HD 200964
How many planets does HD 200964 have?
HD 200964 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 200964 system habitable?
None of the known planets in HD 200964 orbit within the star's habitable zone.
How far away is HD 200964?
HD 200964 is about 237 light-years from Earth in the constellation Equuleus.