ភពអ៊ុយរ៉ានុស

**ភពអ៊ុយរ៉ានុស**
Uranus
	Uranus presented a nearly featureless disk to Voyager 2
របកគំហើញ
រកឃើញដោយ	William Herschel
កាលបរិច្ឆេទនៃការរកឃើញ	March 13, 1781
Designations
Pronunciation	i/ˈjʊərənəs/ or i/jʊˈreɪnəs/
Adjective	Uranian
លក្ខណៈទូទៅនៃគន្លងគោចរ
	Epoch J2000
Aphelion	3,004,419,704 km; 20.083 305 26 AU
Perihelion	2,748,938,461 km; 18.375 518 63 AU
Semi-major axis	2,876,679,082 km; 19.229 411 95 AU
Eccentricity	0.044 405 586
Orbital period	30,799.095 days; 84.323 326 yr; 42,718 Uranus solar days
Synodic period	369.66 days
Average orbital speed	6.81 km/s
Mean anomaly	142.955 717°
Inclination	0.772 556° to Ecliptic; 6.48° to Sun's equator; 1.02° to Invariable plane
Longitude of ascending node	73.989 821°
Argument of perihelion	96.541 318°
Satellites	27
លក្ខណៈទូទៅនៃសណ្ឋានខាងក្រៅ
Equatorial radius	25,559 ± 4 km; 4.007 Earths
Polar radius	24,973 ± 20 km; 3.929 Earths
Flattening	0.022 9 ± 0.000 8
Circumference	156,909.98 km[ត្រូវការអំណះអំណាង]
ផ្ទៃដី	8.115 6×10៩ km2; 15.91 Earths
មាឌ	6.833×10១៣ km3; 63.086 Earths
ម៉ាស់	(8.6810 ± 0.0013)×10២៥ kg; 14.536 Earths; GM=5 793 939 ± 13 km3/s2
Mean density	1.27 g/cm3
Equatorial surface gravity	8.69 m/s2; 0.886 g
Escape velocity	21.3 km/s
Sidereal rotation; period	–0.718 33 day; 17 h 14 min 24 s
Equatorial rotation velocity	2.59 km/s; 9,320 km/h
Axial tilt	97.77°
North pole right ascension	17 h 9 min 15 s; 257.311°
North pole declination	–15.175°
Albedo	0.300 (Bond); 0.51 (geom.)
Apparent magnitude	5.9 to 5.32
Angular diameter	3.3"–4.1"
បរិយាកាស
Scale height	27.7 km
83 ± 3%	Hydrogen (H2)
15 ± 3%	Helium
2.3%	Methane
0.009%; (0.007–0.015%)	Hydrogen deuteride (HD)
Ices:
	Ammonia
	water
	ammonium hydrosulfide (NH4SH)
	methane (CH4)

ឯកសារយោង [កែប្រែ]

↑ Cite error: Invalid <ref> tag; no text was provided for refs named OED
↑ Cite error: Invalid <ref> tag; no text was provided for refs named BBCOUP
↑ Yeomans, Donald K. (July 13, 2006)។ "HORIZONS System"។ NASA JPL។ http://ssd.jpl.nasa.gov/?horizons។ បានយកមក August 8, 2007។ – At the site, go to the "web interface" then select "Ephemeris Type: ELEMENTS", "Target Body: Uranus Barycenter" and "Center: Sun".
↑ Seligman, Courtney។ "Rotation Period and Day Length"។ http://cseligman.com/text/sky/rotationvsday.htm។ បានយកមក August 13, 2009។
↑ ^៥,០ ^៥,១ ^៥,២ ^៥,៣ ^៥,៤ ^៥,៥ ^៥,៦ ^៥,៧ ^៥,៨ ^៥,៩ Williams, Dr. David R. (January 31, 2005)។ "Uranus Fact Sheet"។ NASA។ http://nssdc.gsfc.nasa.gov/planetary/factsheet/uranusfact.html។ បានយកមក August 10, 2007។
↑ "The MeanPlane (Invariable plane) of the Solar System passing through the barycenter"។ April 3, 2009។ http://home.comcast.net/~kpheider/MeanPlane.gif។ បានយកមក April 10, 2009។ (produced with Solex 10 written by Aldo Vitagliano; see also Invariable plane)
↑ Cite error: Invalid <ref> tag; no text was provided for refs named Seidelmann2007
↑ Munsell, Kirk (May 14, 2007)។ "NASA: Solar System Exploration: Planets: Uranus: Facts & Figures"។ NASA។ http://solarsystem.nasa.gov/planets/profile.cfm?Object=Uranus&Display=Facts។ បានយកមក August 13, 2007។
↑ Cite error: Invalid <ref> tag; no text was provided for refs named Jacobson1992
↑ Cite error: Invalid <ref> tag; no text was provided for refs named ephemeris
↑ Cite error: Invalid <ref> tag; no text was provided for refs named Podolak1995
↑ Cite error: Invalid <ref> tag; no text was provided for refs named Lunine1993
↑ Cite error: Invalid <ref> tag; no text was provided for refs named Lindal1987
↑ Cite error: Invalid <ref> tag; no text was provided for refs named Conrath1987
↑ Feuchtgruber, H.; Lellouch, E.; B. Bezard; et al. (1999)។ "Detection of HD in the atmospheres of Uranus and Neptune: a new determination of the D/H ratio"។ Astronomy and Astrophysics 341: L17–L21។ Bibcode 1999A&A...341L..17F។

មើលផងដែរ [កែប្រែ]

ប្រព័ន្ធព្រះអាទិត្យ

[OED] Cite error: Invalid <ref> tag; no text was provided for refs named OED

[BBCOUP] Cite error: Invalid <ref> tag; no text was provided for refs named BBCOUP

[horizons-3] Yeomans, Donald K. (July 13, 2006)។ "HORIZONS System"។ NASA JPL។ http://ssd.jpl.nasa.gov/?horizons។ បានយកមក August 8, 2007។ – At the site, go to the "web interface" then select "Ephemeris Type: ELEMENTS", "Target Body: Uranus Barycenter" and "Center: Sun".

[planet_years-4] Seligman, Courtney។ "Rotation Period and Day Length"។ http://cseligman.com/text/sky/rotationvsday.htm។ បានយកមក August 13, 2009។

[fact-5] ៥,០ ^៥,១ ^៥,២ ^៥,៣ ^៥,៤ ^៥,៥ ^៥,៦ ^៥,៧ ^៥,៨ ^៥,៩ Williams, Dr. David R. (January 31, 2005)។ "Uranus Fact Sheet"។ NASA។ http://nssdc.gsfc.nasa.gov/planetary/factsheet/uranusfact.html។ បានយកមក August 10, 2007។

[meanplane-6] "The MeanPlane (Invariable plane) of the Solar System passing through the barycenter"។ April 3, 2009។ http://home.comcast.net/~kpheider/MeanPlane.gif។ បានយកមក April 10, 2009។ (produced with Solex 10 written by Aldo Vitagliano; see also Invariable plane)

[Seidelmann2007] Cite error: Invalid <ref> tag; no text was provided for refs named Seidelmann2007

[nasafact-8] Munsell, Kirk (May 14, 2007)។ "NASA: Solar System Exploration: Planets: Uranus: Facts & Figures"។ NASA។ http://solarsystem.nasa.gov/planets/profile.cfm?Object=Uranus&Display=Facts។ បានយកមក August 13, 2007។

[Jacobson1992] Cite error: Invalid <ref> tag; no text was provided for refs named Jacobson1992

[ephemeris] Cite error: Invalid <ref> tag; no text was provided for refs named ephemeris

[Podolak1995] Cite error: Invalid <ref> tag; no text was provided for refs named Podolak1995

[Lunine1993] Cite error: Invalid <ref> tag; no text was provided for refs named Lunine1993

[Lindal1987] Cite error: Invalid <ref> tag; no text was provided for refs named Lindal1987

[Conrath1987] Cite error: Invalid <ref> tag; no text was provided for refs named Conrath1987

[Feuchtgruber1999-15] Feuchtgruber, H.; Lellouch, E.; B. Bezard; et al. (1999)។ "Detection of HD in the atmospheres of Uranus and Neptune: a new determination of the D/H ratio"។ Astronomy and Astrophysics 341: L17–L21។ Bibcode 1999A&A...341L..17F។

[១]

[២]

[៣]

[a]

[៤]

[៥]

[៦]

[៧]

[c]

[b]

[៨]

[៩]

[១១]

[១២]

[១០]

[១៣]

[១៤]

[d]

[១៥]

ម ព ក ប្រព័ន្ធព្រះអាទិត្យ

ព្រះអាទិត្យ • Heliosphere	ភព ☾ = moon(s) ∅ = rings		ភពពុធ	ភពសុក្រ	ភពផែនដី ☾	ភពអង្គារ ☾

			ភពព្រហស្បតិ៍ ☾ ∅	ភពសៅរ៍ ☾ ∅	ភពអ៊ុយរ៉ានុស ☾ ∅	ភពណិបទូន ☾ ∅

	កូនភព		Ceres	Pluto ☾	Haumea ☾	Makemake

			Eris ☾

	Small Solar System bodies	Asteroids (minor planets)	Groups and families: Vulcanoids · Near-Earth asteroids · Asteroid belt Jupiter Trojans · Centaurs · Neptune Trojans · Asteroid moons · Meteoroids · Pallas · Juno · Vesta · Hygiea ·
		Asteroids (minor planets)	See also the list of asteroids.

		Trans- Neptunians	Kuiper belt – Plutinos: Orcus · Ixion – Cubewanos: Varuna · Quaoar · Huya
		Trans- Neptunians	Scattered disc: Sedna

		Comets	Periodic comets and non-periodic comets Damocloids · Oort cloud
See also the list of solar system objects

ភពអ៊ុយរ៉ានុស

ឯកសារយោង [កែប្រែ]

មើលផងដែរ [កែប្រែ]

Navigation menu

ឧបករណ៍ផ្ទាល់ខ្លួន

លំហឈ្មោះ

អថេរ

គំហើញ

សកម្មភាព

ស្វែងរក

ទិសដៅ

សហគមន៍

បោះពុម្ព/នាំចេញ

ប្រអប់ឧបករណ៍

ជាភាសាដទៃទៀត