Desdemona (kuu) Katso myös | Lähteet | Aiheesta muualla | NavigointivalikkoInfobox OKUranuksen kuut"IAU Circular No. 4164""Comprehensive Photometry of the Rings and 16 Satellites of Uranus with the Hubble Space Telescope""Uranian Satellite Fact Sheet"Uranuksen kuut"Orbital Stability of the Uranian Satellite System"Desdemona NASAn sivuillalaajentamalla

Uranuksen kuut


Uranuksenkuu13. tammikuuta1986Voyager 2:nWilliam ShakespearenBiancaCressidaJulietPortiaRosalindCupidBelindaPerditafotometrisetCressidaanJulietiinCordeliaOfeliaBiancaCressidaDesdemonaJulietPortiaRosalindCupidBelindaPerditaPuckMabFranciscoCalibanStefanoTrinculoSycoraxMargaretProsperoSetebosFerdinand










































Desdemona

Kuva, josta Desdemona löydettiin
Kuva, josta Desdemona löydettiin
Löytäminen
Löytäjät
Stephen P. Synnott,
Voyager 2
Löytöaika
13. tammikuuta 1986

Kiertoradan ominaisuudet
Planeetta
Uranus
Eksentrisyys
~0.00013
Kiertoaika
0.473649597
Inklinaatio
0.11252 ± 0.037°
Fyysiset ominaisuudet

Päiväntasaajan halkaisija
32.0 ± 4 km
Pinta-ala
~14,500 km2
Massa
~1.8×1017 kg
Keskitiheys
~1.3 g/cm³ g/cm3

Painovoima pinnalla
~0.011 m/s2

Pakonopeus pinnalla
~0.027 km/s
Pyörähdysaika
Synkroninen
Akselin kaltevuus
0°
Albedo
0.08 ± 0.01
Pinnan lämpötila

keski: 64
Infobox OK

Desdemona on Uranuksen sisempi kuu. Se löydettiin 13. tammikuuta 1986 Voyager 2:n ottamista kuvista,[1] ja sille annettiin väliaikainen nimi S/1986 U 3.[2] Se nimettiin William Shakespearen näytelmän Othello esiintyneen Othellon vaimon mukaan. Desdemona tunnetaan myös nimellä Uranus X.
Desdemona kuuluu Portia-ryhmäksi kutsuttuun Uranuksen kuiden ryhmään. Muita ryhmän kuita ovat Bianca, Cressida, Juliet, Portia, Rosalind, Cupid, Belinda ja Perdita.[3] Näillä kuilla on samanlaiset kiertoradat ja fotometriset ominaisuudet. Desdemonan noin 32 kilometrin säteen,[4] kiertoradan ja albedon[5] lisäksi siitä ei tiedetä lähestulkoon mitään.


On mahdollista että Desdemona törmää Cressidaan tai Julietiin seuraavan sadan miljoonan vuoden aikana. [6]



Katso myös |


  • Uranuksen kuut


Lähteet |



  1. ↑ URSA: Uranuksen kuut


  2. ↑ Smith, B. A. "IAU Circular No. 4164".


  3. ↑ Karkoschka, Erich (2001). "Comprehensive Photometry of the Rings and 16 Satellites of Uranus with the Hubble Space Telescope". Icarus 151: 51–68.


  4. ↑ Williams, Dr. David R. (23. marraskuuta 2007). "Uranian Satellite Fact Sheet". NASA.


  5. ↑ Astronetti: Uranuksen kuut


  6. ↑ Duncan, Martin J.; Jack J. Lissauer (1997). "Orbital Stability of the Uranian Satellite System". Icarus 125 (1): 1–12.



Aiheesta muualla |


  • Desdemona NASAn sivuilla


Uranuksen kuut









Sisemmät kuut

Cordelia | Ofelia | Bianca | Cressida | Desdemona | Juliet | Portia | Rosalind | Cupid | Belinda | Perdita | Puck | Mab


Suuret kuut

Miranda | Ariel | Umbriel | Titania | Oberon


Ulommat kuut

Francisco | Caliban | Stefano | Trinculo | Sycorax | Margaret | Prospero | Setebos | Ferdinand





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