Fyrimynd:Planet Infoboks/Pluto

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Pluto Astronomical symbol of Pluto
Pluto in True Color
Uppdaging
Uppdagari Clyde W. Tombaugh
Uppdaga 18. februar, 1930
Ringrás um sólina
Semi-major axis 5,906,376,272 km
39.481 686 77 AU
Orbital circumference 36.530 Tm
244.186 AU
Eccentricity 0.248 807 66
Perihelion 4,436,824,613 km
29.658 340 67 AU
Aphelion 7,375,927,931 km
49.305 032 87 AU
Orbital period 90,613.3055 d (248.09 a)
Synodic period 366.73 d
Avg. Orbital Speed 4.666 km/s
Max. Orbital Speed 6.112 km/s
Min. Orbital Speed 3.676 km/s
Inclination 17.141 75°
(11.88° to Sun's equator)
Longitude of the
ascending node
110.303 47°
Argument of the
perihelion
113.763 29°
Umhvørvi
Mánar 3
Aliseginleikar
Diametur 2306 ± 20 km
(18% av Jørðini, ella 1423 ± 12 míl)
Yvirflatau vídd [[1 E13 m²|1.795Fyrimynd:E]] km2
(0.033 Jørðir)
Rúmd 7.15Fyrimynd:E km3
(0.0066 Jørðir)
Massi [[1 E22 kg|(1.305±0.007)Fyrimynd:E]] kg [1]
(0.0021 Jørðir)
Mean density 2.03±0.06 g/cm3 [2]
Equatorial gravity 0.58 m/s2
(0.059 gee)
Escape velocity 1.2 km/s
Rotation period −6.387230 d (6 d 9 h 17 m 36 s)
Rotation velocity 47.18 km/h (at the equator)
Axial tilt 122.54° (to orbit)
115.60° (to the ecliptic)[3]
Right ascension
of North pole
133.02° (8 h 52 min 5 s)
Declination -9.09°
Albedo 0.49–0.66 (varies by 35%) [4][5]
Surface temp.
lág miðal hág
33 K 44 K 55 K
Adjective Plutonian
Atmosferu eginleikar
Atmosferu trýst 0.30 pascals (summar hámark)
Samanseting køvievni, metan