Plùtò
Ìrísí
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 |
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.
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 | àtúnṣe àmìọ̀rọ̀]- ↑ 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 | àtúnṣe àmìọ̀rọ̀]- ↑ "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.