Exoplanet CatalogExoplanet HD 18143 c
Radius12.50 R⊕Earth = 1
Mass3,177.6 M⊕Earth = 1
Orbital period28,982.42 d
Equilibrium temp.55 K≈ -219 °C
Distance73.5 ly
Discovered2022Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.50
Where it sits among all planets (percentile)
79%
96%
100%
1%
6%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 18143 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 18143 b | 10.29 | 3.28 | 10.8 | 770 | 2022 |
| HD 18143 c | 28,982.42 | 12.50 | 3,177.6 | 55 | 2022 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 18143 | K2 | 5,078 | 0.87 | 0.85 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.