planet pluto data information and stats
PLANET PLUTO
Information on PLUTO STATISTICS
| Pluto Statistics
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| Discovered by | Clyde W. Tombaugh
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| Date of discovery | February 18, 1930
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| Mass (kg) | 1.29e+22
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| Mass (Earth = 1) | 2.1586e-03
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| Equatorial radius (km) | 1,160
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| Equatorial radius (Earth = 1) | 1.8188e-01
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| Mean density (gm/cm^3) | 2.05
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| Mean distance from the Sun (km) | 5,913,520,000
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| Mean distance from the Sun (Earth = 1)) | 39.5294
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| Rotational period (days) | -6.3872
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| Orbital period (years) | 248.54
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| Mean orbital velocity (km/sec) | 4.74
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| Orbital eccentricity | 0.2482
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| Tilt of axis (degrees) | 122.52
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| Orbital inclination (degrees) | 17.148
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| Equatorial surface gravity (m/sec^2) | 0.4
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| Equatorial escape velocity (km/sec) | 1.22
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| Visual geometric albedo | 0.3
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| Magnitude (Vo) | 15.12
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Atmospheric compositionMethaneNitrogen| 0.3
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