Exoplanet · Earth-sized rocky planet
EPIC 201615463 c
EPIC 201615463 c is a Earth-sized rocky planet orbiting the star K2-166. Its year lasts 3.8 Earth days. It was discovered in 2019 by the Transit method.
| Host star | K2-166 |
|---|---|
| Distance | 1,555 light-years (476.9 pc) |
| Orbital period | 3.8 days |
| Radius | 1.22 R⊕ · 0.109 R♃ |
| Mass | 1.98 M⊕ · 0.00623 M♃ (estimated from the radius) |
| Density | 5.99 g/cm³ |
| Discovery method | Transit |
| Discovery year | 2019 |
| Discovered by | K2 |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.08. Visible from the whole Northern Hemisphere and south to latitude 88° S. It stands highest at midnight in March, the best time to observe it.
Light's journey
The light you see tonight set out around the year 471. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 28 million years.
Planets in the same system
- K2-166 b 8.53-day orbit · 2.19 R⊕
Data: NASA Exoplanet Archive, PSCompPars. Its look in the simulation is a rendering based on the measured radius, mass and temperature.