Anna

Anna - captain Uranus specs, Uranus data

Uranus specs: (courtesy of NASA) Discovered B ﻿ y  William Herschel Date of Discovery 13 March 1781 Orbit Size Around Sun (semi-major axis) Metric: 2,870,658,186 km  Scientific Notation: 2.8706582 x 109 km (1.9189165 x 101 A.U.) By Comparison: 19.189 x Earth Perihelion (closest) Metric: 2,734,998,229 km  English: 1,699,449,110 miles Scientific Notation: 2.73500 x 109 km (1.828 x 101 A.U.) By Comparison: 18.593 x Earth Aphelion (farthest) Metric: 3,006,318,143 km  Scientific Notation: 3.00632 x 109 km (2.010 x 101 A.U.) By Comparison: 19.766 x Earth Mean Radius Metric: 25,362 km  Scientific Notation: 2.5362 x 104 km   By Comparison: 3.9809 x Earth Mean Circumference Metric: 159,354.1 km  English: 99,018.1 miles Scientific Notation: 1.59354 x 105 km  By Comparison: 3.9809 x Earth Volume Metric: 68,334,355,695,584 km3 Scientific Notation: 6.83344 x 1013 km3 By Comparison: 63.085 x Earth Mass Metric: 86,810,300,000,000,000,000,000,000 kg  Scientific Notation: 8.6810 x 1025 kg   By Comparison: 14.536 x Earth's   Density Metric: 1.270 g/cm3 By Comparison: 0.230 x Earth Surface Area Metric: 8,083,079,690 km2 Scientific Notation: 8.0831 x 109 km2 By Comparison: 15.847 x Earth Surface Gravity Metric: 8.87 m/s2 English: 29.1 ft/s2 By Comparison: If you weigh 100 pounds on Earth, you would weigh 91 pounds on Uranus. Escape Velocity Metric: 76,968 km/h English: 47,826 mph Scientific Notation: 2.138 x 104 m/s By Comparison: 1.911 x Earth Sidereal Rotation Period (Length of Day) -0.718 Earth days (retrograde) -17.23992 hours (retrograde) By Comparison: 0.72 x Earth Sidereal Orbit Period (Length of Year) 84.016846 Earth years 30,687.15 Earth days By Comparison: 84.017 x Earth Average Orbit Velocity Metric: 24,477 km/h English: 15,209 mph Scientific Notation: 6.7991 x 103 m/s By Comparison: 0.228 x Earth Orbit Circumference Metric: 18,026,802,831 km  English: 11,201,335,967 miles Scientific Notation: 1.803 x 1010 km  By Comparison: 19.180 x Earth Effective Temperature Metric: -216 °C English: -357 °F Scientific Notation: 57 K  Atmospheric Constituents Hydrogen, Helium, Methane Scientific Notation: H2, He, CH4 By Comparison: Earth's atmosphere consists mostly of N2 and O2. Stuff about Cordelia:

Discovered By Voyager Science Team

Date of Discovery 20 January 1986

Orbit Size Around Uranus (semi-major axis) Metric: 49,800 km Scientific Notation: 4.98 x 104 km

Mean Radius Metric: 20.1 ± 3 (assuming an albedo of 0.07) km

Mean Circumference Metric: 126.3 km

Volume Metric: 34,015 km3

Mass Metric: 44,960,052,992,915,800 kg Scientific Notation: 4.4960 x 1016 kg

Density Metric: 1.3 g/cm3

Surface Area Metric: 5,076.94 km2

Gravity Metric: 0.007 m/s2

Escape Velocity Metric: 62 km/h

Length of day 0.66 Earth days (16 hours)

Average Orbit Velocity Metric: 38,918.2 km/h

Orbit Circumference Metric: 312,902.62 km