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TRAPPIST-1 h
Orbiting TRAPPIST-1, discovered in 2017 (7522) by Multiple Observatories via the Transit method.
Planet
| Radius | 0.76 R⊕ |
| Mass | 0.33 M⊕ |
| Orbital period | 18.77 Earth days (~0.1 Earth years) |
| Orbital eccentricity | Unknown |
| Equilibrium temperature | Unknown |
Host star — TRAPPIST-1
| Temperature | 2566 K (2293 °C) |
| Radius | 0.12 R☉ |
| Mass | 0.09 M☉ |
Location
| Distance from Earth | Unknown |
| Right ascension / Declination | 346.6264 / -5.0435 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.