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ᱵᱚᱸᱜᱟ ᱮᱸᱜᱮᱞ

ᱡᱚᱱᱚᱲᱠᱩ ᱥᱟᱯᱲᱟᱣ
ᱣᱤᱠᱤᱯᱤᱰᱤᱭᱟ, ᱨᱟᱲᱟ ᱜᱮᱭᱟᱱ ᱯᱩᱛᱷᱤ ᱠᱷᱚᱱ
ᱵᱚᱸᱜᱟ ᱮᱸᱜᱮᱞ ⛢
Discovery
Discovered byWilliam Herschel
Discovery dateᱦᱩᱲᱟᱹᱜ : ᱚᱢᱟᱱᱚᱛ ᱚᱠᱛᱚ ᱾
Designations
Pronunciation /ˈjʊərənəs/ or /jʊˈreɪnəs/[᱑][᱒]
Named after
the Latin form Ūranus of the Greek god Οὐρανός Ouranos
AdjectivesUranian /jʊˈreɪniən/[᱔]
Orbital characteristics[᱕][lower-alpha ᱑]
Epoch J2000
Aphelion20.11 AU
(3008 Gm)
Perihelion18.33 AU
(2742 Gm)
19.2184 AU
(2,875.04 Gm)
Eccentricity0.046381
  • 84.0205 yr
  • 30,688.5 d[᱖]
  • 42,718 Uranian solar days[᱗]
369.66 days[᱘]
6.80 km/s[᱘]
142.238600°
Inclination0.773° to ecliptic
6.48° to Sun's equator
1.02° to invariable plane[᱙]
74.006°
96.998857°
Known satellites27
Physical characteristics
Mean radius
25,362±7 km[᱑᱐][lower-alpha ᱒]
Equatorial radius
25,559±4 km
4.007 Earths[᱑᱐][lower-alpha ᱒]
Polar radius
24,973±20 km
3.929 Earths[᱑᱐][lower-alpha ᱒]
Flattening0.0229±0.0008[lower-alpha ᱓]
Circumference159,354.1 km[᱖]
8.1156×109 km2[᱖][lower-alpha ᱒]
15.91 Earths
Volume6.833×1013 km3[᱘][lower-alpha ᱒]
63.086 Earths
Mass(8.6810±0.0013)×1025 kg
14.536 Earths[᱑᱑]
GM=5,793,939±13 km3/s2
Mean density
1.27 g/cm3[᱘][lower-alpha ᱔]
8.69 m/s2[᱘][lower-alpha ᱒]
0.886 g
0.23[᱑᱒] (estimate)
21.3 km/s[᱘][lower-alpha ᱒]
−0.71833 d (retrograde)
17 h 14 min 24 s[᱑᱐]
Equatorial rotation velocity
2.59 km/s
9,320 km/h
97.77° (to orbit)[᱘]
North pole right ascension
ᱪᱷᱟᱸᱪ:RA
257.311°[᱑᱐]
North pole declination
−15.175°[᱑᱐]
Albedo0.300 (Bond)[᱑᱓]
0.488 (geom.)[᱑᱔]
Surface temp. min mean max
1 bar level[᱑᱕] 76 K (−197.2 °C)
0.1 bar
(tropopause)[᱑᱖]		 47 K 53 K 57 K
5.38[᱑᱗] to 6.03[᱑᱗]
3.3″ to 4.1″[᱘]
Atmosphere[᱑᱖][᱑᱘][᱑᱙][lower-alpha ᱕]
27.7 km[᱘]
Composition by volume(Below 1.3 bar)

Gases:

Ices:

ᱪᱤᱱᱦᱟᱹ: ⛢᱾

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. ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; refs with no name must have content.
  4. ↑ "Uranian". Oxford English Dictionary (3rd ed.). Oxford University Press. September 2005. [᱓](Subscription or UK public library membership required.)
  5. ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "VSOP87".
  6. 1 2 3 ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "nasafact".
  7. ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "CSeligman".
  8. 1 2 3 4 5 6 7 8 9 ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "fact".
  9. ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "meanplane".
  10. 1 2 3 4 5 6 7 ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "Seidelmann Archinal A'hearn et al. 2007".
  11. ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "Jacobson Campbell et al. 1992".
  12. ↑ de Pater, Imke; Lissauer, Jack J. (2015). Planetary Sciences (2nd updated ed.). New York: Cambridge University Press. p. 250. ISBN 978-0521853712.
  13. ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "Pearl_et_al_Uranus".
  14. ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "Mallama_et_al".
  15. ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "Podolak Weizman et al. 1995".
  16. 1 2 ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "Lunine 1993".
  17. 1 2 ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "Mallama_and_Hilton".
  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".
  20. ↑ Irwin, Patrick G. J.; et al. (23 April 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.
  1. ↑ These are the mean elements from VSOP87, together with derived quantities.
  2. 1 2 3 4 5 6 7 ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "atmospheric pressure".
  3. ↑ Calculated using data from Seidelmann, 2007.[᱑᱐]
  4. ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named "atmospheric pressure2".
  5. ↑ Calculation of He, H2 and CH4 molar fractions is based on a 2.3% mixing ratio of methane to hydrogen and the 15/85 He/H2 proportions measured at the tropopause.
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