Exoplanet CatalogExoplanet HD 21749 c
Radius0.89 R⊕Earth = 1
Mass3.7 M⊕Earth = 1
Orbital period7.79 d
Equilibrium temp.701 K≈ 428 °C
Distance53.2 ly
Discovered2019Transit
Size compared (radius, Earth = 1)
0.89
1.00
3.88
11.21
Where it sits among all planets (percentile)
2%
21%
42%
45%
4%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of GJ 143 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 21749 c | 7.79 | 0.89 | 3.7 | 701 | 2019 |
| GJ 143 b | 35.61 | 2.61 | 22.7 | 422 | 2019 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| GJ 143 | K4.5 | 4,640 | 0.70 | 0.73 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.