Difference between revisions of "Hydra"

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!bgcolor="lightsteelblue" colspan="2" align="center" |Hydra
 
!bgcolor="lightsteelblue" colspan="2" align="center" |Hydra
 
|-
 
|-
−
|colspan="2" align="center"|[[Image:Hydra-NixHydrazip-Orbiter2006P1.jpg|Hydra|240px]]
+
|colspan="2" align="center"|[[Image:Hydra-nhplutoenc150703-Orbiter2016D3D9.jpg|Hydra|240px]]
 
|-
 
|-
−
|colspan="2" align="center"|'''Hydra from ''Nix-Hydra.zip'' in Orbiter 2006P1'''
+
|colspan="2" align="center"|'''Hydra from ''Pluto and Moons.zip'' and ''New Horizons Pluto Encounter.zip'' in Orbiter 2016 with D3D9</center>
 
|-
 
|-
 
!bgcolor="lightsteelblue" colspan="2"|Designation
 
!bgcolor="lightsteelblue" colspan="2"|Designation
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!bgcolor="lightsteelblue" colspan="2"|Planetary mean orbits
 
!bgcolor="lightsteelblue" colspan="2"|Planetary mean orbits
 
|-
 
|-
−
|width="30%"|Epoch||align="right" width="50%"|38.8, J39
+
|width="30%"|Epoch||align="right" width="50%"|2002.88980151
 
|-
 
|-
−
|width="30%"|Semimajor axis (a)||align="right" width="50%"|78400000 m
+
|width="30%"|Semimajor axis (a)||align="right" width="50%"|64780350.2435684 m
 
|-
 
|-
−
|width="30%"|Eccentricity (e)||align="right" width="30%"|0.0051
+
|width="30%"|Eccentricity (e)||align="right" width="30%"|0.00527055475115776
 
|-
 
|-
−
|width="30%"|Inclination (i)||align="right" width="30%"|19.480565034448° <br> (0.34 radian)
+
|width="30%"|Inclination (i)||align="right" width="30%"|0.249324421879577° <br> (0.00435153206743 radian)
 
|-
 
|-
−
|width="30%"|Longitude of the ascending node (LAN, ☊)||align="right" width="30%"|53.0076487827642° <br> (0.925158 radian)
+
|width="30%"|Longitude of the ascending node (LAN, ☊)||align="right" width="30%"|30.4138815781564° <br> (0.530822371850478 radian)
 
|-
 
|-
−
|width="30%"|Longitude of periapsis (ϖ)||align="right" width="30%"|224.066662237591° <br> (3.910701 radian)
+
|width="30%"|Longitude of periapsis (ϖ)||align="right" width="30%"|336.913168368482° <br> (5.880244081356023 radian)
 
|-
 
|-
−
|width="30%"|Mean longitude (L)||align="right" width="30%"|238.928729077048° <br> (4.170093 radian)
+
|width="30%"|Mean longitude (L)||align="right" width="30%"|99.523168368531° <br> (1.73700697004754 radian)
 
|-
 
|-
 
!bgcolor="lightsteelblue" colspan="2"|Selected physical parameters
 
!bgcolor="lightsteelblue" colspan="2"|Selected physical parameters
 
|-
 
|-
−
|width="30%"|Mean radius||align="right" width="30%"|253000 m
+
|width="30%"|Mean radius||align="right" width="30%"|64835.3502435684 m
 
|-
 
|-
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|width="30%"|Mass||align="right" width="30%"|2×10<sup>20</sup> kg
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|width="30%"|Mass||align="right" width="30%"|1.25578958899498×10<sup>20</sup> kg
 
|-
 
|-
−
|width="30%"|Sidereal rotation period||align="right" width="30%"|22994.1 sec (6.38725 hours)
+
|width="30%"|Sidereal rotation period||align="right" width="30%"|3510404.90311891104 sec (40.6297 hours)
 
|-
 
|-
 
|width="30%"|SidRotOffset||align="right" width="30%"|0
 
|width="30%"|SidRotOffset||align="right" width="30%"|0
 
|-
 
|-
−
|width="30%"|Obliquity||align="right" width="30%"|0° (0 radian)
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|width="30%"|Obliquity||align="right" width="30%"|96.145° (1.67804680932995 radian)
 
|-
 
|-
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|width="30%"|Note||align="right" width="30%"|*Elements given are from Hyra.cfg (Nix-Hydra.zip)
+
|width="30%"|LAN||align="right" width="30%"|43.046° (0.7512944298135 radian)
 +
|-
 +
|width="30%"|Note||align="right" width="30%"|*Elements given are from Hyra.cfg (PlutoandMoons.zip)
 
|}
 
|}
  
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|-
 
|-
 
!Add-on!!Source!!Version!!Author!!Type!!Release Date!!Compatibility!!Wiki article
 
!Add-on!!Source!!Version!!Author!!Type!!Release Date!!Compatibility!!Wiki article
 +
|-
 +
|[https://www.orbiter-forum.com/resources/new-horizons-pluto-encounter.3045/ New Horizons Pluto Encounter]||O-F Resources||2015-07-09||BrianJ||Scenarios||9 July 2015||||
 +
|-
 +
|[https://www.orbiter-forum.com/resources/celestial-bodies-motion-part-2-4-v2-0-0.295/ Celestial Bodies Motion - Part 2/4 - v2.0.0]||O-F Resources||v2.0.0||cristiapi||Scenery||2 July 2015||*module only||
 +
|-
 +
|[https://www.orbiter-forum.com/resources/pluto-and-moons.978/ Pluto and Moons]||O-F Resources||2010-05-13||Piper||Scenery||13 May 2010||||
 +
|-
 +
|[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||||
 
|-
 
|-
 
|[https://www.orbiter-forum.com/resources/pluto-minor-moons.2251/ Pluto Minor Moons]||O-F Resources||2009-08-21||DagoO||Scenery||22 August 2009||||
 
|[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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<gallery widths="100" heights="100">
 
<gallery widths="100" heights="100">
 
Hydra-NixHydrazip-Orbiter2006P1.jpg|<center>Hydra from ''Nix-Hydra.zip'' in Orbiter 2006P1
 
Hydra-NixHydrazip-Orbiter2006P1.jpg|<center>Hydra from ''Nix-Hydra.zip'' in Orbiter 2006P1
 +
Hydra-PlutoandMoonsZip-Orbiter2006P1.jpg|<center>Hydra from ''PlutoandMoons.zip'' in Orbiter 2006P1</center>
 +
Hydra-nhplutoenc150703-Orbiter2016D3D9.jpg|<center>Hydra from ''Pluto and Moons.zip'' and ''New Horizons Pluto Encounter.zip'' in Orbiter 2016 with D3D9</center>
 
Hydra reprocessed.png|<center>Image of Hydra from the [[w:New Horizons|New Horizons]] spacecraft taken July 2015<br>from Wikimedia Commons</center>
 
Hydra reprocessed.png|<center>Image of Hydra from the [[w:New Horizons|New Horizons]] spacecraft taken July 2015<br>from Wikimedia Commons</center>
 
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>
 
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>
 +
Animation of moons of Pluto - Front view.gif|<center>Animation of the moons of Pluto (Pluto white, Charon blue, Styx green, Nix magenta, Kerberos cyan, Hydra red)<br>from Wikimedia Commons</center>
 
</gallery>
 
</gallery>
  

Latest revision as of 12:29, 11 November 2024

Hydra
Hydra
Hydra from Pluto and Moons.zip and New Horizons Pluto Encounter.zip in Orbiter 2016 with D3D9
Designation
Name Hydra
Reference body 134340 Pluto
Number of satellites
Planetary mean orbits
Epoch 2002.88980151
Semimajor axis (a) 64780350.2435684 m
Eccentricity (e) 0.00527055475115776
Inclination (i) 0.249324421879577°
(0.00435153206743 radian)
Longitude of the ascending node (LAN, ☊) 30.4138815781564°
(0.530822371850478 radian)
Longitude of periapsis (ϖ) 336.913168368482°
(5.880244081356023 radian)
Mean longitude (L) 99.523168368531°
(1.73700697004754 radian)
Selected physical parameters
Mean radius 64835.3502435684 m
Mass 1.25578958899498×1020 kg
Sidereal rotation period 3510404.90311891104 sec (40.6297 hours)
SidRotOffset 0
Obliquity 96.145° (1.67804680932995 radian)
LAN 43.046° (0.7512944298135 radian)
Note *Elements given are from Hyra.cfg (PlutoandMoons.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[edit]

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
New Horizons Pluto Encounter O-F Resources 2015-07-09 BrianJ Scenarios 9 July 2015
Celestial Bodies Motion - Part 2/4 - v2.0.0 O-F Resources v2.0.0 cristiapi Scenery 2 July 2015 *module only
Pluto and Moons O-F Resources 2010-05-13 Piper Scenery 13 May 2010
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[edit]

  • Hydra from Nix-Hydra.zip in Orbiter 2006P1
  • Hydra from PlutoandMoons.zip in Orbiter 2006P1
  • Hydra from Pluto and Moons.zip and New Horizons Pluto Encounter.zip in Orbiter 2016 with D3D9
  • 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
  • Animation of the moons of Pluto (Pluto white, Charon blue, Styx green, Nix magenta, Kerberos cyan, Hydra red)
    from Wikimedia Commons
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