Francisco (moon)

Francisco
Discovery
Discovered by	Matthew J. Holman; John J. Kavelaars; Dan Milisavljevic; Brett J. Gladman;
Discovery date	August 13, 2001 (confirmed in 2003)
Designations
Adjectives	Francisconian
Orbital characteristics
Mean orbit radius	4,276,000 km
Eccentricity	0.1459
Orbital period (sidereal)	266.56 d
Inclination	145° (to the ecliptic)
Satellite of	Uranus
Physical characteristics
Mean radius	11 km (estimate)
Surface area	~1,500 km2 (estimate)
Volume	~6,000 km3 (estimate)
Mass	~7.2×1015 kg (estimate)
Mean density	~1.3 g/cm3 (assumed)
Surface gravity	~0.0025 m/s2 (estimate)
Escape velocity	~0.0094 km/s (estimate)
Synodic rotation period	?
Axial tilt	?
Albedo	0.04 (assumed)
Temperature	~65 K (estimate)

Francisco (/frænˈsɪskoʊ/ fran-SIS-koh) is the innermost irregular satellite of Uranus.

Francisco was discovered by Matthew J. Holman, et al. and Brett J. Gladman, et al. in 2003 from pictures taken in 2001 and given the provisional designation S/2001 U 3. Confirmed as Uranus XXII, it was named after a lord in William Shakespeare's play The Tempest.^[7]

References

^ ^a ^b Green, Daniel W. E. (2003-10-07). "IAUC 8216: S/2001 U 3". IAU Circular. Retrieved 2011-01-08.
^ Blue, Jennifer (2008-10-16). "Planet and Satellite Names and Discoverers". Working Group for Planetary System Nomenclature (WGPSN). Retrieved 2008-12-19.
^ Sheppard, Scott S. "New Satellites of Uranus Discovered in 2003". Institute for Astronomy at the University of Hawaii. Retrieved 2008-12-19. Archived January 16, 2009, at the Wayback Machine
^ ^a ^b Sheppard, Jewitt & Kleyna 2005, p. 523, Table 3.
^ ^a ^b Jacobson, R.A. (2003) URA067 (2007-06-28). "Planetary Satellite Mean Orbital Parameters". JPL/NASA. Retrieved 2008-01-23.{{cite web}}: CS1 maint: numeric names: authors list (link)
^ ^a ^b Sheppard, Jewitt & Kleyna 2005, p. 523, Table 3 ... rⁱ (km) ... 11 ... ⁱ Radius of satellite assuming a geometric albedo of 0.04.
^ "Planet and Satellite Names and Discoverers". Gazetteer of Planetary Nomenclature. USGS Astrogeology. July 21, 2006. Retrieved 2006-08-06.

Sheppard, S. S.; Jewitt, D.; Kleyna, J. (2005). "An Ultradeep Survey for Irregular Satellites of Uranus: Limits to Completeness". The Astronomical Journal. 129: 518. doi:10.1086/426329.

External links

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[IAUC_8216-1] Green, Daniel W. E. (2003-10-07). "IAUC 8216: S/2001 U 3". IAU Circular. Retrieved 2011-01-08.

[usgs-2] Blue, Jennifer (2008-10-16). "Planet and Satellite Names and Discoverers". Working Group for Planetary System Nomenclature (WGPSN). Retrieved 2008-12-19.

[moons2003-3] Sheppard, Scott S. "New Satellites of Uranus Discovered in 2003". Institute for Astronomy at the University of Hawaii. Retrieved 2008-12-19. Archived January 16, 2009, at the Wayback Machine

[FOOTNOTESheppardJewittKleyna2005523Table_3-4] Sheppard, Jewitt & Kleyna 2005, p. 523, Table 3.

[JPL-5] Jacobson, R.A. (2003) URA067 (2007-06-28). "Planetary Satellite Mean Orbital Parameters". JPL/NASA. Retrieved 2008-01-23.{{cite web}}: CS1 maint: numeric names: authors list (link)

[Sheppard_et_al._2005_radius/albedo-6] Sheppard, Jewitt & Kleyna 2005, p. 523, Table 3 ... rⁱ (km) ... 11 ... ⁱ Radius of satellite assuming a geometric albedo of 0.04.

[Gazetteer-7] "Planet and Satellite Names and Discoverers". Gazetteer of Planetary Nomenclature. USGS Astrogeology. July 21, 2006. Retrieved 2006-08-06.

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