File:Stephano_-_Uranus_moon.jpg · Wikimedia Commons · See Wikimedia Commons
Key facts
- Discovered by
- John J. Kavelaars Brett J. Gladman Matthew J. Holman Jean-Marc Petit Hans Scholl
- Discovery date
- July 18, 1999
- Designation
- Uranus XX
- Pronunciation
- / ˈ s t ɛ f ən oʊ / STEF -ən-oh
- Adjectives
- Stephanonian / ˌ s t ɛ f ə ˈ n oʊ n i ə n / STEF -ə- NOH -nee-ən
- Mean orbit radius
- 7 951 400 km
- Orbital period sidereal
- 677 d
- Inclination
- 143.6° (to the ecliptic )
- Satellite of
- Uranus
- Group
- Caliban group
- Mean radius
- 16 km (estimate)
- Surface area
- ~3200 km (estimate)
- Volume
- ~17 000 km (estimate)
- Mass
- ~ 2.2 × 10 kg (estimate)
- Mean density
- ~1.3 g/cm (assumed)
- Surface gravity
- ~0.006 m/s (estimate)
- Escape velocity
- ~0.014 km/s (estimate)
- Synodic rotation period
- ?
via Wikipedia infobox
Wikidata facts
- Instance of
- moon of Uranus
- Parent body
- Uranus
- Radius
- 16
- Mass
- 25
- Orbital period
- 677.37
- Image
- Stephano - Uranus moon.jpg
Show 10 more facts
- discoverer or inventor
- Matthew J. Holman
- provisional designation
- S/1999 U 2
- time of discovery or invention
- 1999-07-18
- orbital eccentricity
- 0.2292
- semi-major axis of an orbit
- 8004000
- orbital inclination
- 141.81
- volume as quantity
- 20000
- albedo
- 0.040
- temperature
- 64
- Commons category
- Stephano (moon)
via Wikidata · CC0
Article · Nederlands
Stephano is een maan van Uranus. De maan is in 1999 ontdekt door B.J. Gladman, P.D. Nicholson, J.A. Burns en J.J. Kavelaars. Stephano is genoemd naar de alcoholistische butler uit Shakespeares stuk "The Tempest".
Abstract from DBpedia / Wikipedia · CC BY-SA