The K2-168 System
K2-168 is a planetary system in the constellation Aquarius hosting 2 confirmed exoplanets, about 796 light-years from Earth.
Size Comparison: The Planets of K2-168
K2-168: Star and Habitable Zone
K2-168
- Surface temperature
- 5,503 K (Sun: 5,772 K)
- Mass
- 0.88 M☉
- Radius
- 0.83 R☉
Habitable zone of K2-168: 0.574–1.364 AU (conservative: 0.727–1.293 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 K2-168 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| K2-168 b | Super Earth | 16 d | 1.86 R⊕ | 0.29 | 2018 |
| EPIC 205950854 c | Super Earth | 8.1 d | 1.31 R⊕ | 0.30 | 2019 |
Discovery History
The first planet found here, K2-168 b, was discovered in 2018 using the transit method. The most recent addition, EPIC 205950854 c, followed in 2019.
- 2018 — K2-168 b (Transit)
- 2019 — EPIC 205950854 c (Transit)
Frequently Asked Questions About K2-168
How many planets does K2-168 have?
K2-168 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the K2-168 system habitable?
None of the known planets in K2-168 orbit within the star's habitable zone.
How far away is K2-168?
K2-168 is about 796 light-years from Earth in the constellation Aquarius.
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