Difference between revisions of "Phobos"

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One of two moons of Mars
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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;"Template in Orbiter"
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[http://en.wikipedia.org/wiki/Phobos_%28moon%29]
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!bgcolor="lightsteelblue" colspan="2" align="center" |Phobos
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|-
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|colspan="2" align="center"|[[Image:DeimosOrbiter2016.png|240px]]
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|-
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|colspan="2" align="center"|'''Phobos in Orbiter 2016 with D3D9 client'''
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|-
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!bgcolor="lightsteelblue" colspan="2"|Designation
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|-
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|Name||align="right"|Phobos
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|-
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|width="30%"|Reference body||align="right" width="30%"|Mars
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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%"|2006.49555099247 (2006 June 29.87)
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|-
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|width="30%"|Semimajor axis (a)||align="right" width="50%"|9373718.185 m
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|-
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|width="30%"|Eccentricity (e)||align="right" width="30%"|1.67764797641549×10<sup>-2</sup>
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|-
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|width="30%"|Inclination (i)||align="right" width="30%"|25.62942457° <br> (0.447317844099851 radian)
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|-
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|width="30%"|Longitude of the ascending node (LAN, ☊)||align="right" width="30%"|83.14323972° <br> (1.45112328382648)
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|-
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|width="30%"|Longitude of periapsis (ϖ)||align="right" width="30%"|381.5236635° <br> (6.65884410217624 radian)
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|-
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|width="30%"|Mean longitude (L)||align="right" width="30%"|401.4323622° <br> (7.0063164440015 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%"|11100 m
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|-
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|width="30%"|Mass||align="right" width="30%"|10.8×10<sup>15</sup> kg
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|-
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!bgcolor="lightsteelblue" colspan="2"|Rotation and precession parameters
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|-
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|width="30%"|Sidereal rotation period||align="right" width="30%"|27553.83426 sec (7.6538 hrs)
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|-
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|width="30%"|Sidereal rotation offset||align="right" width="30%"|0.0864220017 sec
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|-
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|width="30%"|Obliquity||align="right" width="30%"|0.01884736041 radian (1.079874206°)
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|-
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|width="30%"|LAN MJD||align="right" width="30%"|51544.5 (1 January 2000)
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|-
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|width="30%"|LAN||align="right" width="30%"|128.6521833° (2.245404188 radians)
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|-
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|width="30%"|Note||align="right" width="30%"|*Elements given are from Phobos.cfg (2016)
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|}
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'''Phobos''' (or '''Mars I''') is one of [[Mars]]' moons. The other is [[Deimos]].
  
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{{Stub}}
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Phobos is the larger of the two moons and is only 27 kilometres in diameter. This is about as far as a car can travel on the highway in 15 minutes. It is covered with craters, as [[Earth]]'s moon is.
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[[category:Celestial bodies]]
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It is named after the god [[w:Phobos (mythology)|Phobos]] in Greek mythology. Its name means "fear". Phobos was discovered by [[w:Asaph Hall|Asaph Hall]] on 18 August 1877.
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Phobos is trapped in tidal drag, with its orbit lowering roughly 1.8 meters per century. In about 50 million years, Phobos will reach the Roche limit, where it is likely to be torn apart. Some fragments will fall on Mars and some will form a planetary ring or rings around Mars.
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==Phobos in Orbiter==
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Phobos was introduced to [[Orbiter]] with the release of Orbiter 2002.
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{|class="wikitable sortable” style="text-align: center"
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|-
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|colspan="8"|<center>'''Orbiter versions and add-ons which include Phobos'''</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/2005-with-p1-patch-files.5432/ 2005 (with P1 patch files)]||O-F Resources||050216||martins||Orbiter Download||16 February 2005||Orbiter 2005||
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|-
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|[https://www.orbiter-forum.com/resources/martian-moons-031217.982/ Martian Moons-031217]||O-F Resources||031217||Unknown OHM Addon Developer||Scenery||23 December 2003||||
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|-
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|[https://library.avsim.net/esearch.php?DLID=&Name=&FileName=mars-moons.zip&Author=&CatID=root Martian Moons]||AVSIM||||Rolf Keibel||Scenery||13 October 2003||||
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|-
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|[https://www.orbiter-forum.com/resources/orbiter-2003-p2.5433/ Orbiter 2003-P2]||O-F Resources||031217||martins||Orbiter Download||17 December 2003||Orbiter 2003-P2||
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|-
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|[https://www.orbiter-forum.com/resources/orbiter-2003-p1.5434/ Orbiter 2003-P1]||O-F Resources||031105||martins||Orbiter Download||5 November 2003||Orbiter 2003-P1|
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|-
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|[https://www.orbiter-forum.com/resources/orbiter-2002.5436/ Orbiter 2002]||O-F Resources||020419||martins||Orbiter Download||19 April 2002||Orbiter 2002||
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|-
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|[https://www.orbiter-forum.com/resources/orbiter-2001.5437/ Orbiter 2001]||O-F Resources||010503||martins||Orbiter Download||3 May 2001||Orbiter 2001||
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|}
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==See Also==
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*[[w:Phobos (moon)|Phobos]] at [[w:Wikipedia|Wikipedia]]
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<gallery widths="200" heights="200">
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PhobosOrbiter2001.jpg|<center>Phobos in Orbiter 2001</center>
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PhobosOrbiter2002.jpg|<center>Phobos in Orbiter 2002</center>
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Phobos-orbiter2002p3.jpg|<center>Phobos in Orbiter 2002P3</center>
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Phobos-marsmoonzip.jpg|<center>Phobos from ''mars-moons.zip'' in Orbiter 2002P3</center>
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Phobos-Orbiter2003P2.jpg|<center>Phobos in Orbiter 2003P2</center>
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Phobos-martianmoons031217zip-Orbiter2003P2.jpg|<center>Phobos from ''martianmoons_031217.zip'' in Orbiter 2003P2</center>
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Phobos-Orbiter2005P1.jpg|<center>Phobos in Orbiter 2005P1</center>
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Phobos colour 2008.jpg|<center>Phobos as seen by Mars Reconnaissance Orbiter</center>
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</gallery>
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{{SolarSystem}}
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{{Nsat-Stub}}  
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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 11:14, 17 September 2024

Phobos
DeimosOrbiter2016.png
Phobos in Orbiter 2016 with D3D9 client
Designation
Name Phobos
Reference body Mars
Planetary mean orbits
Epoch 2006.49555099247 (2006 June 29.87)
Semimajor axis (a) 9373718.185 m
Eccentricity (e) 1.67764797641549×10-2
Inclination (i) 25.62942457°
(0.447317844099851 radian)
Longitude of the ascending node (LAN, ☊) 83.14323972°
(1.45112328382648)
Longitude of periapsis (ϖ) 381.5236635°
(6.65884410217624 radian)
Mean longitude (L) 401.4323622°
(7.0063164440015 radian)
Selected physical parameters
Mean radius 11100 m
Mass 10.8×1015 kg
Rotation and precession parameters
Sidereal rotation period 27553.83426 sec (7.6538 hrs)
Sidereal rotation offset 0.0864220017 sec
Obliquity 0.01884736041 radian (1.079874206°)
LAN MJD 51544.5 (1 January 2000)
LAN 128.6521833° (2.245404188 radians)
Note *Elements given are from Phobos.cfg (2016)

Phobos (or Mars I) is one of Mars' moons. The other is Deimos.

Phobos is the larger of the two moons and is only 27 kilometres in diameter. This is about as far as a car can travel on the highway in 15 minutes. It is covered with craters, as Earth's moon is.

It is named after the god Phobos in Greek mythology. Its name means "fear". Phobos was discovered by Asaph Hall on 18 August 1877.

Phobos is trapped in tidal drag, with its orbit lowering roughly 1.8 meters per century. In about 50 million years, Phobos will reach the Roche limit, where it is likely to be torn apart. Some fragments will fall on Mars and some will form a planetary ring or rings around Mars.

Phobos in Orbiter

Phobos was introduced to Orbiter with the release of Orbiter 2002.

Orbiter versions and add-ons which include Phobos
Add-on Source Version Author Type Release Date Compatibility Wiki article
2005 (with P1 patch files) O-F Resources 050216 martins Orbiter Download 16 February 2005 Orbiter 2005
Martian Moons-031217 O-F Resources 031217 Unknown OHM Addon Developer Scenery 23 December 2003
Martian Moons AVSIM Rolf Keibel Scenery 13 October 2003
Orbiter 2003-P2 O-F Resources 031217 martins Orbiter Download 17 December 2003 Orbiter 2003-P2
Orbiter 2003-P1 O-F Resources 031105 martins Orbiter Download 5 November 2003
Orbiter 2002 O-F Resources 020419 martins Orbiter Download 19 April 2002 Orbiter 2002
Orbiter 2001 O-F Resources 010503 martins Orbiter Download 3 May 2001 Orbiter 2001


See Also

  • Phobos in Orbiter 2001
  • Phobos in Orbiter 2002
  • Phobos in Orbiter 2002P3
  • Phobos from mars-moons.zip in Orbiter 2002P3
  • Phobos in Orbiter 2003P2
  • Phobos from martianmoons_031217.zip in Orbiter 2003P2
  • Phobos in Orbiter 2005P1
  • Phobos as seen by Mars Reconnaissance Orbiter
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