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Table 1
Parameters of the TRAPPIST-1 planets.
| Planet | a(AU) | e(10−3 ) | M (M⊕) | R (R⊕) |
|---|---|---|---|---|
| b | 0.01154775 | 6.22 ± 3.04 | 1.017 |
1.121 |
| c | 0.01581512 | 6.54 ± 1.88 | 1.156 |
1.095 |
| d | 0.02228038 | 8.37 ± 0.93 | 0.297 |
0.784 ± 0.023 |
| e | 0.02928285 | 5.10 ± 0.58 | 0.772 |
0.910 |
| f | 0.03853361 | 10.07 ± 0.68 | 0.934 |
1.046 |
| g | 0.04687692 | 2.08 ± 0.58 | 1.148 |
1.148 |
| h | 0.06193488 | 5.67 ± 1.21 | 0.331 |
0.773 |
Notes. Planetary semi-major axes (a), eccentricities (e), masses (M, scaled by the mass of the EarthM⊕ = 5.98 × 1024 kg), and radii (R, scaled by Earth’s radius R⊕ = 6371 km) from Grimm et al. (2018) and Delrez et al. (2018).
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