ᱫᱷᱤᱨᱤ ᱮᱸᱜᱮᱞ

ᱣᱤᱠᱤᱯᱤᱰᱤᱭᱟ, ᱨᱟᱲᱟ ᱜᱮᱭᱟᱱ ᱯᱩᱛᱷᱤ ᱠᱷᱚᱱ
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Uranus Uranus symbol.svg
Uranus2.jpg
Photographed as a featureless disc by Voyager 2 in 1986
Discovery
Discovered by William Herschel
Discovery date ᱦᱩᱲᱟᱹᱜ : ᱚᱢᱟᱱᱚᱛ ᱚᱠᱛᱚ ᱾
Designations
Pronunciation /ˈjʊərənəs/ or /jʊˈrnəs/[᱑][᱒]
Named after
the Latin form Ūranus of the Greek god Οὐρανός Ouranos
Adjectives Uranian /jʊˈrniən/[᱓]
Orbital characteristics[᱘][lower-alpha ᱑]
Epoch J2000
Aphelion 20.11 AU
(3008 Gm)
Perihelion 18.33 AU
(2742 Gm)
19.2184 AU
(2,875.04 Gm)
Eccentricity 0.046381
  • 84.0205 yr
  • 30,688.5 d[᱔]
  • 42,718 Uranian solar days[᱕]
369.66 days[᱖]
6.80 km/s[᱖]
142.238600°
Inclination 0.773° to ecliptic
6.48° to Sun's equator
1.02° to invariable plane[᱗]
74.006°
96.998857°
Known satellites 27
Physical characteristics
Mean radius
25,362±7 km[᱙][lower-alpha ᱒]
Equatorial radius
25,559±4 km
4.007 Earths[᱙][lower-alpha ᱒]
Polar radius
24,973±20 km
3.929 Earths[᱙][lower-alpha ᱒]
Flattening 0.0229±0.0008[lower-alpha ᱓]
Circumference 159,354.1 km[᱔]
8.1156×109 km2[᱔][lower-alpha ᱒]
15.91 Earths
Volume 6.833×1013 km3[᱖][lower-alpha ᱒]
63.086 Earths
Mass

(8.6810±0.0013)×1025 kg
14.536 Earths[᱑᱐]

GM=5,793,939±13 km3/s2
Mean density
1.27 g/cm3[᱖][lower-alpha ᱔]
8.69 m/s2[᱖][lower-alpha ᱒]
0.886 g
0.23[᱑᱑] (estimate)
21.3 km/s[᱖][lower-alpha ᱒]
−0.71833 d (retrograde)
17 h 14 min 24 s[᱙]
Equatorial rotation velocity
2.59 km/s
9,320 km/h
97.77° (to orbit)[᱖]
North pole right ascension
ᱪᱷᱟᱸᱪ:RA
257.311°[᱙]
North pole declination
−15.175°[᱙]
Albedo 0.300 (Bond)[᱑᱒]
0.488 (geom.)[᱑᱓]
Surface temp. min mean max
bar level[᱑᱔] 76 K (−197.2 °C)
0.1 bar
(tropopause)[᱑᱕]
47 K 53 K 57 K
5.38[᱑᱖] to 6.03[᱑᱖]
3.3″ to 4.1″[᱖]
Atmosphere[᱑᱕][᱑᱘][᱑᱙][lower-alpha ᱕]
27.7 km[᱖]
Composition by volume

(Below 1.3 bar)
Gases:

Ices:

ᱵᱟᱷᱨᱤ ᱰᱷᱟᱸᱪᱟ[ᱥᱟᱯᱲᱟᱣ | ᱯᱷᱮᱰᱟᱛ ᱥᱟᱯᱲᱟᱣ]

ᱥᱟᱹᱠᱷᱭᱟᱹᱛ[ᱥᱟᱯᱲᱟᱣ | ᱯᱷᱮᱰᱟᱛ ᱥᱟᱯᱲᱟᱣ]

  1. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named OED
  2. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named BBCOUP
  3. "Uranian". Oxford English Dictionary (3rd ed.). Oxford University Press. ᱥᱮᱯᱴᱮᱢᱵᱚᱨ 2005.  (Subscription or UK public library membership required.)
  4. ᱔.᱐ ᱔.᱑ ᱔.᱒ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named nasafact
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  6. ᱖.᱐ ᱖.᱑ ᱖.᱒ ᱖.᱓ ᱖.᱔ ᱖.᱕ ᱖.᱖ ᱖.᱗ ᱖.᱘ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named fact
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  8. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named VSOP87
  9. ᱙.᱐ ᱙.᱑ ᱙.᱒ ᱙.᱓ ᱙.᱔ ᱙.᱕ ᱙.᱖ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Seidelmann Archinal A'hearn et al. 2007
  10. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Jacobson Campbell et al. 1992
  11. de Pater, Imke; Lissauer, Jack J. (2015). Planetary Sciences (2nd updated ed.). New York: Cambridge University Press. p. 250. ISBN 978-0521853712. 
  12. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Pearl_et_al_Uranus
  13. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Mallama_et_al
  14. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Podolak Weizman et al. 1995
  15. ᱑᱕.᱐ ᱑᱕.᱑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Lunine 1993
  16. ᱑᱖.᱐ ᱑᱖.᱑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Mallama_and_Hilton
  17. Irwin, Patrick G. J.; et al. (23 ᱮᱯᱨᱤᱞ 2018). "Detection of hydrogen sulfide above the clouds in Uranus's atmosphere" (PDF). Nature Astronomy. 2 (5): 420–427. Bibcode:2018NatAs...2..420I. doi:10.1038/s41550-018-0432-1. hdl:2381/42547. 
  18. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Lindal Lyons et al. 1987
  19. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Conrath Gautier et al. 1987
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