Exoplanet · Earth-sized rocky planet
EPIC 228836835 b
EPIC 228836835 b is a Earth-sized rocky planet orbiting the star EPIC 228836835. Its year lasts 0.728 Earth days. It was discovered in 2021 by the Transit method.
| Host star | EPIC 228836835 |
|---|---|
| Distance | 489.6 light-years (150.1 pc) |
| Orbital period | 17.5 hours |
| Radius | 1.1 R⊕ · 0.0981 R♃ |
| Mass | 1.37 M⊕ · 0.00431 M♃ (estimated from the radius) |
| Density | 5.66 g/cm³ |
| Equilibrium temperature | 932 K (659 °C) |
| Discovery method | Transit |
| Discovery year | 2021 |
| Discovered by | K2 |
In the sky
A telescope is needed to see it: its apparent magnitude is 16.77. Visible from the whole Southern Hemisphere and north to latitude 85° N. 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 1536. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 8.7 million years.
Data: NASA Exoplanet Archive, PSCompPars. Its look in the simulation is a rendering based on the measured radius, mass and temperature.