BY LETTER
Gliese 581
Galactography > Regions of Space > Inner Sphere
Galactography > Systems and Worlds > Systems & Worlds G - H
Galactography > Systems and Worlds > Systems & Worlds G - H
Multiplanet system in the Inner Sphere | |
 Image from Steve Bowers | |
| Gliese 581c, a hot-water-world in the inner sphere with a high pressure supercritical water ocean surface | |
Gliese 581 - Data Panel | |
| Star | Gliese 581 |
|---|---|
| Constellation | Libra |
| Distance from Sol | 20.3 ly |
| Spectral type | M3V red dwarf |
| Planets | All these planets have unusually low orbital eccentricities. |
| e | 1.9 x mass of the Earth: orbit 0.03AU: year = 3.15 standard days: a small pyrothalassic world |
| b | 15.6 x mass of the Earth: orbit= 0.04AU: year = 5.3 standard days: an epistellar neptunian world |
| c | 5.6 x mass of the Earth: orbit = 0.073AU: year = 12.9 standard days: a hot-waterworld |
| g | Zarmina 3.1 x mass of the Earth: orbit = 0.15AU: year = 36.6 standard days: a large, temperate Vesperian world |
| d | 5.6 x mass of the Earth: orbit = 0.22AU: year = 66.9 standard days: a slightly cooler wet superterrestrial world |
| f | 7.0 x mass of the Earth: orbit = 0.75AU: year = 433 standard days: a cool microjovian |
Related Articles
Appears in Topics
Development Notes
Text by Steve Bowers
Initially published on 06 November 2008.
Initially published on 06 November 2008.
