Discovery
Transit
Host star TRAPPIST-1 • 1.13 R⊕ • 12.35 d orbit
Records
4
archive rows
Discovery
—
Transit
Radius
1.13 R⊕
median non-null value
Mass
1.32 M⊕
median non-null value
TRAPPIST-1
197.9 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.
Host Star
TRAPPIST-1
Discovery
Transit
Year
2017
Period
12.35 day
Radius
1.13 Rearth
Mass
1.34 Mearth
Eq. Temp
198.6 K
Scale Comparison
Current adopted radius: 1.13 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
TRAPPIST-1 g
1.13 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
4
Refs
4
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2017 | Transit | Multiple Observatories | Multiple Telescopes | 12.35 day | 1.13 Rearth | 1.34 Mearth | 198.6 K | Gillon et al. 2017 |
| 2017 | Transit | Multiple Observatories | Multiple Telescopes | 12.35 day | 1.13 Rearth | 1.32 Mearth | — | Agol et al. 2021 |
| 2017 | Transit | Multiple Observatories | Multiple Telescopes | — | 1.15 Rearth | 1.15 Mearth | — | Grimm et al. 2018 |
| 2017 | Transit | Multiple Observatories | Multiple Telescopes | 12.35 day | — | — | 197.3 K | Ducrot et al. 2020 |