Planet Uranus Data

Orbital Elements

Semimajor Axis: 19.189 AU

Eccentricity: 0.04726

Inclination: 0.773°

Argument of Perifocus: 96.9°

Longitude of Ascending Node: 74.02°

Mean Motion: 0.011769036° per day

Time of Periapsis: 1966 Sep 9

Orbital Period: 83.747407 years

Mass: 14.500 M_E

Equatorial Radius (1 bar): 4.0073 R_E

Rotational Inclination: 97.86°

Rotational Period: 17.24 hours

Satellites

Satellite Name	Orbital Semimajor Axis (km)	Orbital Period (days)	Mass (kg)	Discovery
Satellite Name	Orbital Semimajor Axis (km)	Orbital Period (days)	Mass (kg)	Discoverer Name	Announcement Date
Cordelia	4.9752·10⁴	0.335033		R. Terrile and the Voyager 2 Team	1986
Ophelia	5.3764·10⁴	0.376409		R. Terrile and the Voyager 2 Team	1986
Bianca	5.9165·10⁴	0.434577		Voyager 2 Team	1986
Cressida	6.1777·10⁴	0.463570		S. Synnott and the Voyager 2 Team	1986
Desdemona	6.2659·10⁴	0.473651		S. Synnott and the Voyager 2 Team	1986
Juliet	6.4358·10⁴	0.493066		Voyager 2 Team	1986
Portia	6.6097·10⁴	0.513196		Voyager 2 Team	1986
Rosalind	6.9927·10⁴	0.558459		S. Synnott and the Voyager 2 Team	1986
Cupid	7.4392·10⁴	0.613		M. Showalter, et al.	2003 Sep 25
Belinda	7.5300·10⁴	0.624		S. Synnott and the Voyager 2 Team	1986
Perdita	7.6417·10⁴	0.638		E. Karkoschka	1999 May 18
Puck	8.6000·10⁴	0.762		S. Synnott and the Voyager 2 Team	1986
Mab	9.7736·10⁴	0.923		M. Showalter, et al.	2003 Sep 25
Miranda	1.299·10⁵	1.413	6.6·10¹⁹	G. P. Kuiper	1948
Ariel	1.909·10⁵	2.520	1.4·10²¹	W. Lassell	1851
Umbriel	2.660·10⁵	4.144	1.2·10²¹	W. Lassell	1851
Titania	4.363·10⁵	8.706	3.53·10²¹	W. Herschel	1787
Oberon	5.835·10⁵	13.46	3.01·10²¹	W. Herschel	1787
Francisco	4.2829·10⁶	267.09 (retrograde)		M. Holman, et al.	2003 Oct 6
Caliban	7.2311·10⁶	579.73 (retrograde)		B. J. Gladman, et al.	1997 Oct 31
Stephano	8.0074·10⁶	677.47 (retrograde)		J. J. Kavelaars, et al.	1999 Jul 27
Trinculo	8.5052·10⁶	749.40 (retrograde)		J. J. Kavelaars, et al.	2002 Sep 30
Sycorax	1.21794·10⁷	1288.38 (retrograde)		B. J. Gladman, et al.	1997 Oct 31
Margaret	1.41467·10⁷	1661.00		M. Holman, et al.	2003 Oct 9
Prospero	1.62768·10⁷	1978.37 (retrograde)		J. J. Kavelaars, et al.	1999 Jul 27
Setebos	1.74204·10⁷	2225.08 (retrograde)		J. J. Kavelaars, et al.	1999 Jul 27
Ferdinand	2.04300·10⁷	2890.03 (retrograde)		M. Holman, et al.	2003 Sep 30

1 AU = 1.49597870691·10¹¹ m 1 year = 365.25 days = 31557600 s
1 M_E = 5.9742·10²⁴ kg 1 R_E = 6.378136·10⁶ m

The URL of this page is: http://www.princeton.edu/~willman/planetary_systems/Sol/Uranus

This page was last updated: 2020 October 2

You may contact Alex at: willman@Princeton.EDU

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