ಪ್ಲೊಟೊ
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ಪ್ಲೂಟೊ (ಚಿಹ್ನೆಗಳು: [14] ಮತ್ತು [15]) - ಸೌರಮಂಡಲದಲ್ಲಿ ತಿಳಿದಿರುವಂತೆ ಎರಡನೆ ಅತಿ ದೊಡ್ಡ ಕ್ಷುದ್ರಗ್ರಹ (ಏರಿಸ್ನ ನಂತರ) ಮತ್ತು ಸೂರ್ಯನನ್ನು ಪರಿಭ್ರಮಿಸುತ್ತಿರುವ ಹತ್ತನೆ ಅತಿ ಕುಳ್ಳ ಕಾಯವಾಗಿದೆ.
Quick Facts Discovery, Discovered by: ...
Pluto | |||||||
Discovery | |||||||
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Discovered by: | Clyde W. Tombaugh | ||||||
Discovery date: | February 18, 1930 | ||||||
MPC designation: | 134340 Pluto | ||||||
Minor planet category: |
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Orbital characteristics[1][lower-alpha 1] | |||||||
Epoch J2000 | |||||||
ಸೂರ್ಯನಿಂದ ಗರಿಷ್ಠ ದೂರ: |
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ಸೂರ್ಯನಿಂದ ಕನಿಷ್ಠ ದೂರ: |
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ದೀರ್ಘಾರ್ಧ ಅಕ್ಷ: |
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ಕಕ್ಷೀಯ ಕೇಂದ್ರ ಚ್ಯುತಿ: | 0.244671664 (J2000) 0.248 807 66 (mean)[3] | ||||||
ಪರಿಭ್ರಮಣ ಕಾಲ: | |||||||
Synodic period: | 366.73 days[3] | ||||||
ಸರಾಸರಿ ಕಕ್ಷಾವೇಗ: | 4.7 km/s[3] | ||||||
Mean anomaly: | 14.86012204°[5] | ||||||
ಓರೆ: |
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Longitude of ascending node: | 110.28683° | ||||||
Argument of perihelion: | 113.76349° | ||||||
ನೈಸರ್ಗಿಕ ಉಪಗ್ರಹಗಳು: | 5 | ||||||
Physical characteristics | |||||||
Mean radius: | |||||||
Surface area: |
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Volume: |
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Mass: |
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Mean density: | 2.03±0.06 g/cm3[8] | ||||||
Equatorial surface gravity: |
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Escape velocity: | ಟೆಂಪ್ಲೇಟು:V2 km/s[lower-alpha 5] | ||||||
Sidereal rotation period: |
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Rotation velocity at equator: | 47.18 km/h | ||||||
Axial tilt: | 119.591°±0.014° (to orbit)[8][lower-alpha 6] | ||||||
Right ascension of North pole: | 312.993°[9] | ||||||
Declination: | 6.163°[9] | ||||||
Albedo: | 0.49 to 0.66 (geometric, varies by 35%)[3][10] | ||||||
Surface temp.: Kelvin |
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Apparent magnitude: | 13.65[3] to 16.3[11] (mean is 15.1)[3] | ||||||
Absolute magnitude: | −0.7[12] | ||||||
Angular size: | 0.065″ to 0.115″[3][lower-alpha 7] | ||||||
Adjectives: | Plutonian | ||||||
Atmosphere | |||||||
Surface pressure: | 0.30 Pa (summer maximum) | ||||||
Composition: | nitrogen, methane, carbon monoxide[13] |
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