The K2-16 System
K2-16 is a planetary system in the constellation Virgo hosting 3 confirmed exoplanets, about 1,093 light-years from Earth.
Size Comparison: The Planets of K2-16
K2-16: Star and Habitable Zone
K2-16
- Spectral type
- K3 V
- Surface temperature
- 4,742 K (Sun: 5,772 K)
- Mass
- 0.68 M☉
- Radius
- 0.66 R☉
Habitable zone of K2-16: 0.352–0.861 AU (conservative: 0.446–0.816 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 3 Planets in the K2-16 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| K2-16 b | Mini Neptune | 7.6 d | 2.02 R⊕ | 0.29 | 2015 |
| K2-16 c | Mini Neptune | 19 d | 2.54 R⊕ | 0.33 | 2015 |
| EPIC 201754305 d | Terrestrial | 2.7 d | 1.03 R⊕ | 0.30 | 2019 |
Discovery History
The first planet found here, K2-16 b, was discovered in 2015 using the transit method. The most recent addition, EPIC 201754305 d, followed in 2019.
- 2015 — K2-16 b (Transit)
- 2015 — K2-16 c (Transit)
- 2019 — EPIC 201754305 d (Transit)
Frequently Asked Questions About K2-16
How many planets does K2-16 have?
K2-16 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the K2-16 system habitable?
None of the known planets in K2-16 orbit within the star's habitable zone.
How far away is K2-16?
K2-16 is about 1,093 light-years from Earth in the constellation Virgo.
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