Cressida (moon)
Inner Uranian moon discovered by Voyager 2 in 1986.
Cressida is an inner satellite of Uranus, discovered in Voyager 2 images from 1986. It belongs to the Portia group of satellites and is also designated Uranus IX. The moon orbits close to a 3:2 resonance with the η ring, and its mass was directly measured in 2024. Cressida may collide with Desdemona within the next 100 million years.
Quick Facts
- Discoverer
- Stephen P. Synnott with Voyager 2
- Discovered
- January 9, 1986
- Adjective
- Cressidian k
- r
- ɛ
- ˈ
- s
- ɪ
- d
- i
- ə
- n
- Inclination
- 0.006 ± 0.040° (to Uranus' equator)
- Satellite of
- Uranus
- Dimensions
- 92 × 74 km / 46 mi
- Rotation
- synchronous
- Axial tilt
- zero
Facts from the source article.
Frequently Asked Questions
Who discovered Cressida (moon)?
Cressida was discovered by Stephen P. Synnott with Voyager 2.
When was Cressida (moon) discovered?
Cressida was discovered on January 9, 1986.
More in Moons with a Prograde Orbit
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