Difference between revisions of "Hydra"

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'''Hydra''' (S/2005 P1) is a natural satellite of [[Pluto]].
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{| cellpadding="2" cellspacing="0" style="margin:25px 0 0 10px; border:3px solid lightsteelblue;width:250px; font-size:90%; font-family:'Arial','Helvetica'; float: right; clear: right;"Pluto in Orbiter"
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!bgcolor="lightsteelblue" colspan="2" align="center" |Hydra
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|-
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|colspan="2" align="center"|[[Image:Hydra-NixHydrazip-Orbiter2006P1.jpg|Hydra|240px]]
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|-
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|colspan="2" align="center"|'''Hydra from ''Nix-Hydra.zip'' in Orbiter 2006P1'''
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|-
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!bgcolor="lightsteelblue" colspan="2"|Designation
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|-
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|Name||align="right"|Hydra
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|-
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|width="30%"|Reference body||align="right" width="30%"|134340 Pluto
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|-
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|width="30%"|Number of satellites||align="right" width="30%"|
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|-
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!bgcolor="lightsteelblue" colspan="2"|Planetary mean orbits
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|-
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|width="30%"|Epoch||align="right" width="50%"|38.8, J39
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|-
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|width="30%"|Semimajor axis (a)||align="right" width="50%"|78400000 m
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|-
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|width="30%"|Eccentricity (e)||align="right" width="30%"|0.0051
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|-
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|width="30%"|Inclination (i)||align="right" width="30%"|19.480565034448° <br> (0.34 radian)
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|-
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|width="30%"|Longitude of the ascending node (LAN, ☊)||align="right" width="30%"|53.0076487827642° <br> (0.925158 radian)
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|-
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|width="30%"|Longitude of periapsis (ϖ)||align="right" width="30%"|224.066662237591° <br> (3.910701 radian)
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|-
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|width="30%"|Mean longitude (L)||align="right" width="30%"|238.928729077048° <br> (4.170093 radian)
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|-
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!bgcolor="lightsteelblue" colspan="2"|Selected physical parameters
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|-
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|width="30%"|Mean radius||align="right" width="30%"|253000 m
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|-
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|width="30%"|Mass||align="right" width="30%"|2×10<sup>20</sup> kg
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|-
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|width="30%"|Sidereal rotation period||align="right" width="30%"|22994.1 sec (6.38725 hours)
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|-
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|width="30%"|SidRotOffset||align="right" width="30%"|0
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|-
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|width="30%"|Obliquity||align="right" width="30%"|0° (0 radian)
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|-
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|width="30%"|Note||align="right" width="30%"|*Elements given are from Hyra.cfg (Nix-Hydra.zip)
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|}
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Hydra is the second largest natural satellite of [[Pluto]] after [[Charon]]. It was discovered in images by the [[w:Hubble Space Telescope|Hubble Space Telescope]] in May 2005 and was named after [[w:Lernaean Hydra|Hydra]], the nine-headed serpent in [[w:Greek mythology|Greek mythology]].
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== Hydra in Orbiter ==
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Hydra was introduced to Orbiter with the release of ''Nix-Hydra.zip'' in August 2009.
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{| class="wikitable" style="text-align: center"
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|colspan="8"|<center>'''Orbiter versions and add-ons which include Hydra'''</center>
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|-
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!Add-on!!Source!!Version!!Author!!Type!!Release Date!!Compatibility!!Wiki article
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|-
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|[https://www.orbiter-forum.com/resources/orbital-correction-for-pluto-and-moons.1388/ Orbital correction for Pluto and moons]||O-F Resources||2009-11-25||Unknown OHM Addon Developer||Scenery||25 November 2009||||
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|-
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|[https://www.orbiter-forum.com/resources/pluto-minor-moons.2251/ Pluto Minor Moons]||O-F Resources||2009-08-21||DagoO||Scenery||22 August 2009||||
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|}
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== Gallery ==
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<gallery widths="100" heights="100">
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Hydra-NixHydrazip-Orbiter2006P1.jpg|<center>Hydra from ''Nix-Hydra.zip'' in Orbiter 2006P1
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Hydra reprocessed.png|<center>Image of Hydra from the [[w:New Horizons|New Horizons]] spacecraft taken July 2015<br>from Wikimedia Commons</center>
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Pluto and its satellites (2005).jpg|<center>Pluto and three satellites taken by [[w:Hubble Space Telescope|Hubble]]<br>from Wikimedia Commons in 2005</center>
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</gallery>
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{{Nsat-Stub}}
 
{{Nsat-Stub}}
 
{{PlutoMoons}}
 
{{PlutoMoons}}
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{{SolarSystem}}
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[[Category:Articles]]
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[[Category:Celestial bodies]]
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[[Category:Solar System]]
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[[Category:Natural satellites]]

Revision as of 02:04, 31 October 2024

Hydra
Hydra
Hydra from Nix-Hydra.zip in Orbiter 2006P1
Designation
Name Hydra
Reference body 134340 Pluto
Number of satellites
Planetary mean orbits
Epoch 38.8, J39
Semimajor axis (a) 78400000 m
Eccentricity (e) 0.0051
Inclination (i) 19.480565034448°
(0.34 radian)
Longitude of the ascending node (LAN, ☊) 53.0076487827642°
(0.925158 radian)
Longitude of periapsis (ϖ) 224.066662237591°
(3.910701 radian)
Mean longitude (L) 238.928729077048°
(4.170093 radian)
Selected physical parameters
Mean radius 253000 m
Mass 2×1020 kg
Sidereal rotation period 22994.1 sec (6.38725 hours)
SidRotOffset 0
Obliquity 0° (0 radian)
Note *Elements given are from Hyra.cfg (Nix-Hydra.zip)

Hydra is the second largest natural satellite of Pluto after Charon. It was discovered in images by the Hubble Space Telescope in May 2005 and was named after Hydra, the nine-headed serpent in Greek mythology.

Hydra in Orbiter

Hydra was introduced to Orbiter with the release of Nix-Hydra.zip in August 2009.

Orbiter versions and add-ons which include Hydra
Add-on Source Version Author Type Release Date Compatibility Wiki article
Orbital correction for Pluto and moons O-F Resources 2009-11-25 Unknown OHM Addon Developer Scenery 25 November 2009
Pluto Minor Moons O-F Resources 2009-08-21 DagoO Scenery 22 August 2009

Gallery

  • Hydra from Nix-Hydra.zip in Orbiter 2006P1
  • Image of Hydra from the New Horizons spacecraft taken July 2015
    from Wikimedia Commons
  • Pluto and three satellites taken by Hubble
    from Wikimedia Commons in 2005
Retrieved from "https://www.orbiterwiki.org/index.php?title=Hydra&oldid=433419"