EPIC 228836835 b
EPIC 228836835 b is a terrestrial planet orbiting EPIC 228836835 in the constellation Virgo. It lies about 490 light-years from Earth and was discovered in 2021 using the transit method.
How Big Is EPIC 228836835 b?
EPIC 228836835 b has a radius of 1.10 times that of Earth.
Is EPIC 228836835 b in the Habitable Zone?
The position of EPIC 228836835 b relative to the habitable zone of EPIC 228836835 cannot be precisely determined from the available orbital data.
Habitable zone of EPIC 228836835: 0.112–0.286 AU (conservative: 0.141–0.271 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 ›
Orbit and Year Length
A year on EPIC 228836835 b — one full orbit around EPIC 228836835 — lasts just 17.5 hours, shorter than Mercury's 88-day year.
How Was EPIC 228836835 b Discovered?
EPIC 228836835 b was discovered in 2021 using the transit method, with observations from K2.
The transit method watches a star for the tiny, regular dip in brightness that occurs when a planet crosses in front of it. The depth and timing of these dips reveal the planet's size and orbital period.
How Far Away Is EPIC 228836835 b?
EPIC 228836835 b is 489.6 light-years (150.1 parsecs) from Earth. Light arriving here tonight left the planet around the year 1537. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 8,616,960 years to make the journey.
Earth Similarity Index
The Earth Similarity Index (ESI) scores how physically similar a planet is to Earth, from 0 to 1, based on radius, density, escape velocity and surface temperature. EPIC 228836835 b scores 0.30, ranking #1,373 of 5,568 planets with a known ESI. For reference, Mars scores about 0.70.
The Host Star: EPIC 228836835
EPIC 228836835
- Surface temperature
- 3,782 K (Sun: 5,772 K)
- Radius
- 0.32 R☉
Planetary System
EPIC 228836835 b is the only planet known to orbit EPIC 228836835 so far.
EPIC 228836835 b — Complete Data
| Radius | 1.100 Earth radii (0.098 Jupiter radii) |
|---|---|
| Orbital period | 0.73 days |
| Earth Similarity Index | 0.30 |
| Distance from Earth | 489.6 light-years (150.1 parsecs) |
| Constellation | Virgo |
| Discovery method | Transit |
| Discovery facility | K2 |
| Discovery year | 2021 |
Data: NASA Exoplanet Archive, last updated 2021-10-25. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About EPIC 228836835 b
Is EPIC 228836835 b habitable?
EPIC 228836835 b is not known to orbit within the habitable zone of EPIC 228836835, and as a terrestrial planet it is an unlikely candidate for life as we know it.
How far away is EPIC 228836835 b?
EPIC 228836835 b is about 490 light-years from Earth in the constellation Virgo. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 8,616,960 years to get there.
How big is EPIC 228836835 b compared to Earth?
EPIC 228836835 b has 1.10 times the radius of Earth.
How long is a year on EPIC 228836835 b?
One orbit around EPIC 228836835 takes 0.7 Earth days — short enough that 502 of its years would fit into one Earth year.
Explore EPIC 228836835 b in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
