The HD 68988 System
2 planets
Ursa Major
HD 68988 is a planetary system in the constellation Ursa Major hosting 2 confirmed exoplanets, about 198 light-years from Earth.
HD 68988: Star and Habitable Zone
HD 68988
- Surface temperature
- 5,932 K (Sun: 5,772 K)
- Mass
- 1.28 M☉
- Radius
- 1.19 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of HD 68988: 0.933–2.189 AU (conservative: 1.181–2.075 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 68988 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 68988 b | Hot Jupiter | 6.3 d | — | 0.07 | 2001 |
| HD 68988 c | — | 16,000 d | — | 0.08 | 2021 |
Discovery History
The first planet found here, HD 68988 b, was discovered in 2001 using the radial velocity method. The most recent addition, HD 68988 c, followed in 2021.
- 2001 — HD 68988 b (Radial Velocity)
- 2021 — HD 68988 c (Radial Velocity)
Frequently Asked Questions About HD 68988
How many planets does HD 68988 have?
HD 68988 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 68988 system habitable?
None of the known planets in HD 68988 orbit within the star's habitable zone.
How far away is HD 68988?
HD 68988 is about 198 light-years from Earth in the constellation Ursa Major.