350
SYNOPTICAL TABLES.
| Density (Earth's = 1), | .167 |
| Diameter (Earth's = 1), | 4.575 |
| Diameter in miles . | 36,216 |
| Diameter apparent, mean, | 4″.1 |
| Gravity (Earth's = 1), | 0.76 |
| Gravity bodies fall in one second of time, in feet, | 12.3 |
| Light and heat from Sun, perihelion, | .0027 |
| Light and heat from Sun, aphelion. | .0025 |
| Polar less than equatorial diameter, | 1-9th |
| Observed by Flamstead in | 1690 |
| Discovered by Herschel in | 1781 |
| Magnitude of Uranus as a star (occasionally seen with naked eye), | 6th |
| Distance from the Sun, mean, in miles, | 1,822,328,000 |
| Distance from the Sun, mean, (Earth's = 1), | 19.18239 |
| Distance from the Sun, mean, in miles, maximum | 20.07630 |
| Distance from the Sun, mean, in miles, minimum, | 18.28848 |
| Eccentricity of orbit (semi-axis major =1), | 0.04667938 |
| Longitude of perihelion, | 167° 31′ 16″.1 |
| Longitude of perhilion, annual increase | 2″.28 |
| Longitude of ascending node, | 72° 59′ 35″ |
| Longitude of ascending node, annual decrease, | 36″.05 |
| Inclination of orbit to ecliptic. | 46′ 28″.44 |
| Incilination of orbit to ecliptic, annual increase, | 0.03 |
| Motion, mean daily, | 42″.35 |
| Motion, in 365 days. | 4° 17′ 45″ |
| Inclination of axis to ecliptic, | unknown |
| Rotation on axis, | unknown |
| Revolution, sidereal, in days, | 30686.820829 |
| Revolution. synodical, | 369.656 |
| Mean arc of retrogradation, | 3°.36 |
