Mẹ́rkúríù ni pálánẹ́tì to sunmojulo si Orun ninu Sistemu Orun, o unyipo Orun ni ekan ni 87.969 ojo Aye.
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Àyọkà yìí tàbí apá rẹ̀ únfẹ́ àtúnṣe sí. Ẹ le fẹ̀ jù báyìí lọ tàbí kí ẹ ṣàtúnṣe rẹ̀ lọ́nà tí yíò mu kúnrẹ́rẹ́. Ẹ ran Wikipedia lọ́wọ́ láti fẹ̀ẹ́ jù báyìí lọ. |
 MESSENGER false color image of Mercury |
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Ìfúnlọ́rúkọ
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|---|---|---|---|---|---|---|---|---|---|---|
| Ìpolongo | /ˈmɜrkjəri/ ( listen) |
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| Alápèjúwe | Mercurian, Mercurial[1] | |||||||||
Àwọn ìhùwà ìgbàyípo[2] | ||||||||||
| Àsìkò J2000 | ||||||||||
| Aphelion | 69,816,900 km 0.466 697 AU |
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| Perihelion | 46,001,200 km 0.307 499 AU |
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| Semi-major axis | 57,909,100 km 0.387 098 AU |
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| Eccentricity | 0.205 630[3] | |||||||||
| Àsìkò ìgbàyípo | 87.969 1 d (0.240 846 a) 0.5 Mercury solar day |
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| Synodic period | 115.88 d[3] | |||||||||
| Average orbital speed | 47.87 km/s[3] | |||||||||
| Mean anomaly | 174.796° | |||||||||
| Inclination | 7.005° to Ecliptic 3.38° to Sun’s equator 6.34° to Invariable plane[4] |
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| Longitude of ascending node | 48.331° | |||||||||
| Argument of perihelion | 29.124° | |||||||||
| Satellites | None | |||||||||
Àwọn ìhùwà àdánidá
| ||||||||||
| Iyeìdáméjì ìfẹ̀kiri | 2,439.7 ± 1.0 km[5][6] 0.3829 Earths |
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| Flattening | 0[6] | |||||||||
| Ààlà ojúde | 7.48 × 107 km²[5] 0.147 Earths |
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| Ìpọ̀sí | 6.083 × 1010 km³[5] 0.056 Earths |
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| Àkójọ | 3.3022 × 1023 kg[5] 0.055 Earths |
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| Iyeìdáméjì ìṣùpọ̀ | 5.427 g/cm³[5] | |||||||||
| Equatorial surface gravity | 3.7 m/s² 0.38 g[5] |
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| Escape velocity | 4.25 km/s[5] | |||||||||
| Sidereal rotation period |
58.646 day 1407.5 h[5] |
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| Equatorial rotation velocity | 10.892 km/h (3.026 m/s) | |||||||||
| Axial tilt | 2.11′ ± 0.1′[7] | |||||||||
| North pole right ascension | 18 h 44 min 2 s 281.01°[3] |
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| North pole declination | 61.45°[3] | |||||||||
| Albedo | 0.119 (bond) 0.106 (geom.)[3] |
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| Ìgbónásí ojúde 0°N, 0°W 85°N, 0°W |
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| Apparent magnitude | −2.3 to 5.7[8][3] | |||||||||
| Angular diameter | 4.5" – 13"[3] | |||||||||
Afẹ́fẹ́àyíká
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| Ìfúnpá ojúde | trace | |||||||||
| Ìkósínú | 42% Molecular oxygen 29.0% sodium 22.0% hydrogen 6.0% helium 0.5% potassium Trace amounts of argon, nitrogen, carbon dioxide, water vapor, xenon, krypton, & neon[3] |
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