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Pluto
Nh-pluto-in-true-color 2x JPEG
Adjective(s) Plutonian
Orbital properties
Aphelion/apoapsis 7311000000 km

48.871 AU

Perihelion/periapsis 4437000000 km

29.657 AU
(1989 Sep 05)

Semi-major axis 5874000000 km

39.264 AU

Orbital eccentricity 0.244671664 (J2000)

0.248 807 66 (mean)

Orbital period 90465 d

247.68 years
14164.4 Plutonian solar days

Average orbital speed 4.7 km/s
Physical properties
Radius 1184±10 km

0.18 Earths
1161 km (solid)

Mass (1.305±0.007)×1022 kg

0.00218 Earths
0.178 Moons

Mean density 2.03±0.06 g/cm3
Escape velocity 1.229 km/s
Rotation period −6.387230 d

6 d, 9 h, 17 m, 36 s

Average surface temperature min mean max

33 K 44 K (−229 °C) 55 K

Apparent magnitude 13.65 to 16.3

(mean is 15.1)

Moons 5

Pluto is one of the many dwarf planets in our Solar System.


HistoryEdit

Pluto was discovered by Clyde Tombaugh in March 1930.

StatisticsEdit

Statistic Name Statistic Calculation
Moons 5
Atmosphere Nitrogen, Methane, Carbon Monoxide
Density 2.03 ± 0.06 g/cm
Length of day 6.5 Earth Days

TriviaEdit

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