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:: URANUS :: |
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Metric
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Scientific Notation
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By Comparison
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| Discovered By | William Herschel | ||
| Date of Discovery | 1781 | ||
| Average Distance from the Sun | 2,870,972,200 km | 2.8709722 x 109 km (19.191 A.U.) | 19.191 x Earth |
| Perihelion (closest) | 2,735,560,000 km | 2.73556 x 109 km (18.286 A.U.) | 18.60 x Earth |
| Aphelion (farthest) | 3,006,390,000 km | 3.00639 x 109 km (20.096 A.U.) | 19.76 x Earth |
| Equatorial Radius | 25,559 km | 2.5559 x 104 km | 4.007 x Earth |
| Equatorial Circumference | 160,592 km | 1.60592 x 105 km | - |
| Volume | 69,142,000,000,000 km3 | 5.9142 x 1013 km3 | 63.1 x Earth |
| Mass | 86,849,000,000,000,000,000,000,000 kg | 8.6849 x 1025 kg | 14.371 x Earth's |
| Density | 1.30 g/cm3 | - | 0.236 x Earth |
| Surface Area | 8,115,600,000 km2 | 8.1156 x 109 km2 | 15.91 x Earth |
| Equatorial Surface Gravity | 8.43 m/s2 | - | If you weigh 100 pounds on Earth, you would weigh 86 pounds on Uranus |
| Escape Velocity | 76,640 km/h | 21,290 m/s | 1.904 x Earth |
| Sidereal Rotation
Period (Length of Day) |
-0.7196 Earth days (retrograde) -17.24 hours (retrograde) | - | 0.722 x Earth |
| Sidereal Orbit Period
(Length of Year) |
84.02 Earth years 30,687.2 Earth days | - | - |
| Mean Orbit Velocity | 24,607 km/h | 6,835.2 m/s | 0.229 x Earth |
| Orbital Eccentricity | .047168 | - | 2.823 x Earth |
| Orbital Inclination to Ecliptic | 0.770 degrees | - | - |
| Equatorial Inclination to Orbit | 97.86 degrees | - | 4.173 x Earth |
| Orbital Circumference | 17,620,000,000 km | 1.762 x 1010 km | 19.06 x Earth |
| Effective Temperature | -216 °C | 57 K | |
| Atmospheric Constituents | Hydrogen, Helium, Methane | H2, He, CH4 | Earth's atmosphere consists mostly of N2 and O2 |
| natural satelites | 1. Cordelia 2. Ophelia 3. Bianca 4. Cressida 5. Desdemona 6. Juliet 7. Portia 8. Rosalind 9. S/2003 U2 10. Belinda 11. 1986 U10 12. Puck 13. S/2003 U1 14. Miranda 15. S/2001 U3 16. Ariel 17. Umbriel 18. Titania 19. Oberon 20. Caliban 21. Stephano 22. Trinculo 23. Sycorax 24. S/2003 U3 25. Prospero 26. Setebos 27. S/2001 U2 | ||
