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Revision as of 16:09, 2 July 2006 by Chaos syndrome (talk | contribs) (split off from Upsilon Andromedae article)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)| File:UpsAnd-b.jpg Upsilon Andromedae Ab and hypothetical moons | |
| Discovery | |
|---|---|
| Detection method | Doppler Spectroscopy |
| Orbital characteristics | |
| Semi-major axis | 0.059 |
| Eccentricity | 0.012 (± 0.15) |
| Orbital period (sidereal) | 4.617 (± 0.0003) |
| Physical characteristics | |
| Mass | 0.69 |
Upsilon Andromedae b is the innermost extrasolar planet orbiting in the Upsilon Andromedae system. It was one of the first hot Jupiters to be discovered. The planet has a comparable mass to the jovian planets in our solar system.
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