Orbital eccentricity
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| PLUTO
DATA |
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| Orbital parametres | ||||
| Distance from Sun (semimajor axis) | 5,915 million km | (39.54 AU) | ||
| Minimum distance (perihelion) | 4,435 million km | (30.15 AU) | ||
| Maximum distance (aphelion) | 7,394 million km | (48.61 AU) | ||
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Orbital eccentricity |
0.250 | |||
| Length of year (orbital period) | 90,589 days | (248.0 years) | ||
| Length of day (rotational period) | 152.9 hours | (6.39 days) | ||
| Average orbital velocity | 4.75 km/s | |||
| Orbital inclination | 17.12degrees | More about planetary orbits | ||
| Axial tilt (obliquity) | 119.6 degrees | |||
| Physical Properties | ||||
| Equatorial radius | 1,152 km | (0.18 x Earth) | ||
| Mass | 1.3 x1022 kg | (0.002 x Earth) | ||
| Volume | 6.16 x109 km3 | (0.006 x Earth) | ||
| Average density | 2,050 kg/m3 | (0.371 x Earth) | ||
| Oblateness | 0.0 | |||
| Surface gravity at equator | 0.65m/s2 | More about planetary orbits | ||
| Escape velocity | 1.21 km/s | (0.108 x Earth) | ||
| Solar irradiance | 0.9 Watts/m2 | (0.0007 x Earth) | ||
| Surface temperature | 33 to 55 K | (-240 to -218o C) | ||
| Albedo | 0.3 | |||
| Maximum visual magnitude | +13.6 | |||
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