Fyrimynd:Planet Infoboks/Pluto
Frá Wikipedia, hin frælsa alfrøðin
< Fyrimynd:Planet Infoboks
	    	    	    
	    |  | |||||||
|---|---|---|---|---|---|---|---|
| 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. | 
 | ||||||
| Adjective | Plutonian | ||||||
| Atmosferu eginleikar | |||||||
| Atmosferu trýst | 0.30 pascals (summar hámark) | ||||||
| Samanseting | køvievni, metan | ||||||


