Discovery
Transit
Host star TRAPPIST-1 • 1.08 R⊕ • 2.42 d orbit
Records
7
archive rows
Discovery
—
Transit
Radius
1.08 R⊕
median non-null value
Mass
1.31 M⊕
median non-null value
TRAPPIST-1
340.8 K equilibrium
Quick Summary
This first pass still reads from the currently available detail payload. Canonical adopted summaries will replace first-row values in the next backend pass.
Scale Comparison
Current adopted radius: 1.08 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
TRAPPIST-1 c
1.08 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
7
Refs
7
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 2.42 day | 1.05 Rearth | — | 342 K | Gillon et al. 2016 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 2.42 day | 1.06 Rearth | 1.38 Mearth | 341.9 K | Gillon et al. 2017 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | — | — | — | 315 K | de Wit et al. 2016 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | — | 1.09 Rearth | 1.16 Mearth | — | Grimm et al. 2018 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 2.42 day | 1.10 Rearth | 1.31 Mearth | — | Agol et al. 2021 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 2.42 day | — | — | 339.7 K | Ducrot et al. 2020 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 2.42 day | — | — | — | Rathcke et al. 2025 |