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 |