Bulan
From Wikipedia
Ti bulan kas makita manipud iti Daga |
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Orbital characteristics | |||||||
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Semi-major axis | 384,400 km (0.0026 AU) |
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Orbital circumference | 2,413,402 km (0.016 AU) |
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Eccentricity | 0.0554 | ||||||
Perigee | 363,104 km (0.0024 AU) |
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Apogee | 405,696 km (0.0027 AU) |
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Revolution period | 27.321 66155 d (27 d 7 h 43.2 min) |
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Synodic period | 29.530 588 d (29 d 12 h 44.0 min) |
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Avg. Orbital Speed | 1.022 km/s | ||||||
Max. Orbital Speed | 1.082 km/s | ||||||
Min. Orbital Speed | 0.968 km/s | ||||||
Inclination | varies between 28.60° and 18.30° (5.145 396° to ecliptic) see below |
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Longitude of the ascending node |
125.08° | ||||||
Argument of perigee | 318.15° | ||||||
Is a satellite of | Earth | ||||||
Physical characteristics | |||||||
Equatorial diameter | 3,476.2 km[1] (0.273 Earths) |
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Polar diameter | 3,472.0 km (0.273 Earths) |
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Oblateness | 0.0012[2] | ||||||
Surface area | 3.793×107 km2 (0.074 Earths) |
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Volume | 2.1958×1010 km3 (0.020 Earths) |
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Mass | 7.347 673×1022 kg (0.0123 Earths) |
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Mean density | 3,346.2 kg/m3 | ||||||
Equatorial gravity | 1.622 m/s2, (0.1654 gee) |
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Escape velocity | 2.38 km/s | ||||||
Rotation period | 27.321 661 d (synchronous) |
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Rotation velocity | 16.655 km/h (at the equator) |
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Axial tilt | varies between 3.60° and 6.69° (1.5424° to ecliptic) see Orbit |
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Right ascension of North pole |
266.8577° (17 h 47 min 26 s) |
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Declination | 65.6411° | ||||||
Albedo | 0.12 | ||||||
Magnitude | -12.74 | ||||||
Surface temp. |
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Bulk composition of the moon's
mantle and crust |
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estimated, weight percent | |||||||
Oxygen | 42.6% | ||||||
Magnesium | 20.8% | ||||||
Silicon | 20.5% | ||||||
Iron | 9.9% | ||||||
Calcium | 2.31% | ||||||
Aluminium | 2.04% | ||||||
Nickel | 0.472% | ||||||
Chromium | 0.314% | ||||||
Manganese | 0.131% | ||||||
Titanium | 0.122% | ||||||
Atmospheric characteristics | |||||||
Atmospheric pressure | 3 × 10-13kPa | ||||||
Helium | 25% | ||||||
Neon | 25% | ||||||
Hydrogen | 23% | ||||||
Argon | 20% | ||||||
Methane Ammonia |
trace |
Ti Bulan ti kakaisuna a natural a satellite ti Daga.
Ti Sistema a Solar |
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Bituen: Ti Init |
Dagiti Planeta: Mercurio | Venus | Daga | Mars | Jupiter | Saturno | Uranus | Neptuno |
Dagiti ansisit a planeta: Ceres - Pluto - Eris |
Babassit a bagbagi: Dagiti asteroid - Dagiti centaurs - TNOs - Dagiti kometa - Dagiti layap |
Dagiti satellite: Terran - Martian - Jovian - Saturnian - Uranian - Neptunian |
Populations: Barikes nga Asteroid - Barikes a Kuiper - Naiwaris a disc - Ulep nga Oort |
Kitaen met dagiti astronomical a bambanag ken ti listaan ti bambanag ti sistema a solar a naurnos babaen ti radius wenno ti mass. |