Discovery
Transit
Host star TRAPPIST-1 • 0.76 R⊕ • 18.77 d orbit
Records
5
archive rows
Discovery
—
Transit
Radius
0.76 R⊕
median non-null value
Mass
0.33 M⊕
median non-null value
TRAPPIST-1
171.7 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: 0.76 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
TRAPPIST-1 h
0.76 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
5
Refs
5
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2017 | Transit | Multiple Observatories | Multiple Telescopes | 20 day | 0.76 Rearth | — | 168 K | Gillon et al. 2017 |
| 2017 | Transit | Multiple Observatories | Multiple Telescopes | 18.77 day | 0.75 Rearth | — | 173 K | Luger et al. 2017 |
| 2017 | Transit | Multiple Observatories | Multiple Telescopes | — | 0.77 Rearth | 0.33 Mearth | — | Grimm et al. 2018 |
| 2017 | Transit | Multiple Observatories | Multiple Telescopes | 18.77 day | — | — | 171.7 K | Ducrot et al. 2020 |
| 2017 | Transit | Multiple Observatories | Multiple Telescopes | 18.77 day | 0.76 Rearth | 0.33 Mearth | — | Agol et al. 2021 |