Jool
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Jool
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| A photograph of Jool taken from the Grestian LF-2000 mothership Destiny en-route to the system for the first time, December 25th, 2053. The shadow of Vall can be seen transitting the gas giant. | |||||
| Orbital Parameters | |||||
| Apoapsis | 72,212,238,000m | ||||
| Periapsis | 65,334,882,000m | ||||
| Semi-major axis | 68,773,560,000m | ||||
| Orbital eccentricity | 0.05 | ||||
| Orbital period (sidereal) | 4845.436667 days | ||||
| Average orbital speed | 4.134km/s | ||||
| Mean anomaly | 5.723° | ||||
| Inclination | 1.304° | ||||
| Satellites | 5 natural permanent satellites; Laythe, Vall, Tylo, Bop, and Pol, hundreds of smaller objects | ||||
| Physical Characteristics | |||||
| Equatorial radius | 6,000,000m | ||||
| Circumference | 37,699,112m | ||||
| Surface area | 4.5238934×1014m2 | ||||
| Mass | 4.233213×1024kg | ||||
| Mean density | 4678.7273 kg/m3 | ||||
| Surface gravity | 7.85m/s<sup2 (0.8g) | ||||
| Escape velocity | 9.704km/s | ||||
| Sidereal rotation period | 21,549.425s (5h,59m,9.4s) | ||||
| Solar day | 21,600s (6h,0m,0s) | ||||
| Axial tilt | 0° | ||||
| Surface atmospheric pressure | 200-600kPa (2-6 atm) | ||||
| Sphere of influence | 2.4559852x109m | ||||
| History | |||||
| Discovered | Prehistoric times | ||||
| Landed upon | N/A | ||||