Plùtò
(Àtúnjúwe láti Pluto)
Plùtò, oruko 134340 Plùtò (aami: [10] tabi [11]), ni planeti arara to ni akojojulo keji ninu Sistemu Orun (leyin Eris) ati isupo agbarajo kewa to je sisakiyesi pe ohun lo lojuonaiyipo taara Òrùn.
Plùtò |
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Ìkọ́kọ́wárí
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Kíkọ́kọ́wárí látọwọ́ | Clyde W. Tombaugh | ||||||
Ọjọ́ ìkọ́kọ́wárí | February 18, 1930 | ||||||
Ìfúnlọ́rúkọ
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Orúkọ MPC | 134340 Pluto | ||||||
Ìpolongo | i /ˈpluːtoʊ/,[note 1] | ||||||
Sísọlọ́rúkọ fún | Pluto | ||||||
Minor planet category |
dwarf planet, TNO, plutoid, KBO, plutino |
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Alápèjúwe | Plutonian | ||||||
Àsìkò J2000 | |||||||
Aphelion | 7,375,927,931 km 49.305 032 87 AU |
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Perihelion | 4,436,824,613 km 29.658 340 67 AU (1989-Sep-05)[1] |
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Semi-major axis | 5,906,376,272 km 39.481 686 77 AU |
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Eccentricity | 0.248 807 66 | ||||||
Àsìkò ìgbàyípo | 90,613.305 days 248.09 years 14,164.4 Pluto solar days[2] |
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Synodic period | 366.73 days | ||||||
Average orbital speed | 4.666 km/s | ||||||
Mean anomaly | 14.86012204°[3] | ||||||
Inclination | 17.141 75° 11.88° to Sun's equator |
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Longitude of ascending node | 110.303 47° | ||||||
Argument of perihelion | 113.763 29° | ||||||
Satellites | 3 | ||||||
Àwọn ìhùwà àdánidá
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Iyeìdáméjì ìfẹ̀kiri | 1,153 ± 10 km[4] (0.18 Earths) 1161 km[5](solid) |
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Ààlà ojúde | 1.665 × 107 km2[note 2] 0.033 Earths |
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Ìpọ̀sí | 6.39 × 109 km3[note 3] 0.0059 Earths |
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Àkójọ | (1.305 ± 0.007) × 1022 kg[4] 0.002 1 Earths 0.178 moon |
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Iyeìdáméjì ìṣùpọ̀ | 2.03 ± 0.06 g/cm3[4] | ||||||
Equatorial surface gravity | Àdàkọ:Gr m/s2[note 4] 0.067 g |
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Escape velocity | Àdàkọ:V2 km/s[note 5] | ||||||
Sidereal rotation period |
−6.387 230 day 6 d 9 h 17 m 36 s |
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Equatorial rotation velocity | 47.18 km/h | ||||||
Axial tilt | 119.591 ± 0.014° (to orbit)[4][note 6] | ||||||
North pole right ascension | 133.046 ± 0.014°[4] | ||||||
North pole declination | −6.145 ± 0.014°[4] | ||||||
Albedo | 0.49–0.66 (geometric, varies by 35%)[6][7] | ||||||
Ìgbónásí ojúde Kelvin |
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Apparent magnitude | 13.65[7] to 16.3[8] (mean is 15.1)[7] |
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Absolute magnitude (H) | −0.7[9] | ||||||
Angular diameter | 0.065" to 0.115"[7][note 7] | ||||||
Afẹ́fẹ́àyíká
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Ìfúnpá ojúde | 0.30 Pa (summer maximum) | ||||||
Ìkósínú | nitrogen, methane |
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. |
Akiyesi
àtúnṣe- ↑ In US dictionary transcription, Àdàkọ:USdict. From the Látìnì: Plūto
- ↑ Surface area derived from the radius r: .
- ↑ Volume v derived from the radius r: .
- ↑ Surface gravity derived from the mass m, the gravitational constant G and the radius r: .
- ↑ Escape velocity derived from the mass m, the gravitational constant G and the radius r: Àdàkọ:Radical.
- ↑ Based on the orientation of Charon's orbit, which is assumed the same as Pluto's spin axis due to the mutual tidal locking.
- ↑ Based on geometry of minimum and maximum distance from Earth and Pluto radius in the factsheet
Itokasi
àtúnṣe- ↑ "Horizon Online Ephemeris System for Pluto Barycenter". JPL Horizons On-Line Ephemeris System @ Solar System Dynamics Group. Retrieved 2011-01-16. (set Observer Location to @sun to place the observer at the center of the sun)
- ↑ Seligman, Courtney. "Rotation Period and Day Length". Retrieved 2009-08-13.
- ↑ Williams, J G. "Keplerian Elements for Approximate Positions of the Major Planets" (PDF). Archived from the original (PDF) on 2011-05-10. Retrieved 2011-01-12. Text "and" ignored (help)
- ↑ 4.0 4.1 4.2 4.3 4.4 4.5 M. W. Buie, W. M. Grundy, E. F. Young, L. A. Young, S. A. Stern (2006). "Orbits and photometry of Pluto's satellites: Charon, S/2005 P1, and S/2005 P2". Astronomical Journal 132: 290. doi:10.1086/504422. Àdàkọ:Arxiv. http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2006AJ....132..290B&db_key=AST&data_type=HTML&format=&high=444b66a47d27727.
- ↑ Pluto's Radius - Young, Eliot F.; Young, L. A.; Buie, M. (American Astronomical Society, DPS meeting #39, #62.05; Bulletin of the American Astronomical Society, Vol. 39, p.541)
- ↑ Calvin J. Hamilton (2006-02-12). "Dwarf Planet Pluto". Views of the Solar System. Retrieved 2007-01-10.
- ↑ 7.0 7.1 7.2 7.3 Àṣìṣe ìtọ́kasí: Invalid
<ref>
tag; no text was provided for refs namedPluto Fact Sheet
- ↑ "AstDys (134340) Pluto Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 2010-06-27.
- ↑ "JPL Small-Body Database Browser: 134340 Pluto". Retrieved 2008-06-12.
- ↑ JPL/NASA (2015-04-22). "What is a Dwarf Planet?". Jet Propulsion Laboratory. Retrieved 2022-01-19.
- ↑ John Lewis, ed (2004). Physics and chemistry of the solar system (2 ed.). Elsevier. p. 64.