Solar System Exploration: Planets: Uranus: Moons: Umbriel: Facts & Figures

Uranus: Moons: Umbriel: Facts & Figures

Discovered By

W. Lassell

Date of Discovery

1851

Average Distance from Uranus

Metric: 265,998 km

Equatorial Radius

Metric: 584.7 km

Mass

Metric: 1,170,000,000,000,000,000,000 kg

Scientific Notation: 1.17 x 10²¹ kg

Rotation Period (Length of Day)

By Comparison: Synchronous with Uranus

Orbit Period (Length of Year)

4.1441772 Earth days

Orbital Eccentricity

0.0050

Orbital Inclination to Ecliptic

0.36 degree

1. Cordelia
2. Ophelia
3. Bianca
4. Cressida
5. Desdemona
6. Juliet
7. Portia

8. Rosalind
9. Mab
10. Belinda
11. Perdita
12. Puck
13. Cupid
14. Miranda

15. Francisco
16. Ariel
17. Umbriel
18. Titania
19. Oberon
20. Caliban
21. Stephano

22. Trinculo
23. Sycorax
24. Margaret
25. Prospero
26. Setebos
27. Ferdinand