The KOI-12 System
2 planets
Cygnus
KOI-12 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 1,303 light-years from Earth.
Size Comparison: The Planets of KOI-12
Planets without a measured radius are not shown.
KOI-12: Star and Habitable Zone
KOI-12
- Mass
- 1.50 M☉
- Radius
- 1.40 R☉
All 2 Planets in the KOI-12 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| KOI-12 b | Cold Gas Giant | 18 d | 13.79 R⊕ | 0.07 | 2015 |
| Kepler-448 c | — | 2,500 d | — | 0.28 | 2017 |
Discovery History
The first planet found here, KOI-12 b, was discovered in 2015 using the transit method. The most recent addition, Kepler-448 c, followed in 2017.
- 2015 — KOI-12 b (Transit)
- 2017 — Kepler-448 c (Transit Timing Variations)
Frequently Asked Questions About KOI-12
How many planets does KOI-12 have?
KOI-12 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the KOI-12 system habitable?
None of the known planets in KOI-12 orbit within the star's habitable zone.
How far away is KOI-12?
KOI-12 is about 1,303 light-years from Earth in the constellation Cygnus.
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