Exoplanet · mini-Neptune
EPIC 212297394 c
EPIC 212297394 c is a mini-Neptune orbiting the star EPIC 212297394. Its year lasts 5.21 Earth days. It was discovered in 2021 by the Transit method.
| Host star | EPIC 212297394 |
|---|---|
| Distance | 1,365 light-years (418.4 pc) |
| Orbital period | 5.21 days |
| Radius | 2.27 R⊕ · 0.203 R♃ |
| Mass | 5.77 M⊕ · 0.0182 M♃ (estimated from the radius) |
| Density | 2.71 g/cm³ |
| Equilibrium temperature | 866 K (593 °C) |
| Discovery method | Transit |
| Discovery year | 2021 |
| Discovered by | K2 |
In the sky
A telescope is needed to see it: its apparent magnitude is 14.61. Visible from the whole Southern Hemisphere and north to latitude 72° N. South of latitude 72° S it never sets. It stands highest at midnight in April, the best time to observe it.
Light's journey
The light you see tonight set out around the year 661. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 24 million years.
Planets in the same system
- EPIC 212297394 b 2.29-day orbit · 1.48 R⊕
Data: NASA Exoplanet Archive, PSCompPars. Its look in the simulation is a rendering based on the measured radius, mass and temperature.