Discovery
Transit
Host star TRAPPIST-1 • 1.12 R⊕ • 1.51 d orbit
Records
9
archive rows
Discovery
—
Transit
Radius
1.12 R⊕
median non-null value
Mass
1.02 M⊕
median non-null value
TRAPPIST-1
400 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: 1.12 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
TRAPPIST-1 b
1.12 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
9
Refs
9
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 | — | 1.12 Rearth | 1.02 Mearth | — | Grimm et al. 2018 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 1.51 day | 1.12 Rearth | 1.37 Mearth | — | Agol et al. 2021 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 1.51 day | — | — | 397.6 K | Ducrot et al. 2020 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 1.51 day | 1.11 Rearth | — | 400 K | Gillon et al. 2016 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 1.51 day | 1.09 Rearth | 0.85 Mearth | 400.1 K | Gillon et al. 2017 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | — | — | — | 366 K | de Wit et al. 2016 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 1.51 day | 1.20 Rearth | — | 802.9 K | ExoFOP |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 1.51 day | — | — | — | Rathcke et al. 2025 |
| 2016 | Transit | La Silla Observatory | 0.60 m Transiting Planets and Planetesimals Small Telescope | 1.51 day | — | — | — | Hirano et al. 2020 |