The KOI-351 System
KOI-351 is a planetary system in the constellation Draco hosting 8 confirmed exoplanets, about 2,767 light-years from Earth.
Size Comparison: The Planets of KOI-351
Planets without a measured radius are not shown.
KOI-351: Star and Habitable Zone
KOI-351
- Surface temperature
- 6,015 K (Sun: 5,772 K)
- Mass
- 1.12 M☉
- Radius
- 1.29 R☉
Habitable zone of KOI-351: 1.034–2.422 AU (conservative: 1.310–2.297 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 8 Planets in the KOI-351 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| KOI-351 b | Super Earth | 7.0 d | 1.31 R⊕ | 0.29 | 2013 |
| KOI-351 c | Terrestrial | 8.7 d | 1.19 R⊕ | 0.30 | 2013 |
| KOI-351 d | Mini Neptune | 60 d | 2.87 R⊕ | 0.28 | 2013 |
| KOI-351 e | Mini Neptune | 92 d | 2.66 R⊕ | 0.33 | 2013 |
| KOI-351 f | Mini Neptune | 125 d | 2.88 R⊕ | 0.35 | 2013 |
| KOI-351 g | Neptune-like | 211 d | — | 0.32 | 2013 |
| KOI-351 h | Cold Gas Giant | 332 d | — | 0.37 | 2013 |
| Kepler-90 i | Super Earth | 14 d | 1.32 R⊕ | 0.30 | 2017 |
Discovery History
The first planet found here, KOI-351 b, was discovered in 2013 using the transit method. The most recent addition, Kepler-90 i, followed in 2017.
Frequently Asked Questions About KOI-351
How many planets does KOI-351 have?
KOI-351 has 8 confirmed exoplanets. More may await discovery.
Are any planets in the KOI-351 system habitable?
None of the known planets in KOI-351 orbit within the star's habitable zone.
How far away is KOI-351?
KOI-351 is about 2,767 light-years from Earth in the constellation Draco.
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