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|width="30%"|Note||align="right" width="30%"|*Elements given are from Halley.cfg (Halley.zip) | |width="30%"|Note||align="right" width="30%"|*Elements given are from Halley.cfg (Halley.zip) | ||
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| + | {{Addon | ||
| + | |1=[https://www.orbiter-forum.com/resources/halleys-comet-nucleus.1491/ Halley's Comet Nucleus] | ||
| + | |2=[[List of add-ons by Nighthawke|Nighthawke]] | ||
| + | |3=2004-11-22 | ||
| + | |4= | ||
| + | }} | ||
'''Halley's Comet''', also referred to as 1P/Halley, is a short period comet appearing in the skies every 72 to 80 years, last seen in 1986 and the next will be in 2061. Named after [[w:Edmond Halley|Edmond Halley]] who was the first to recognize it as a recurring comet although it has been seen since ancient times. | '''Halley's Comet''', also referred to as 1P/Halley, is a short period comet appearing in the skies every 72 to 80 years, last seen in 1986 and the next will be in 2061. Named after [[w:Edmond Halley|Edmond Halley]] who was the first to recognize it as a recurring comet although it has been seen since ancient times. | ||
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== Halley in Orbiter == | == Halley in Orbiter == | ||
Halley was introduced to [[Orbiter]] as an add-on in 2004. Since Orbiter was not designed to show a comet's tails, the add-on depicts it as a rugby ball shaped body much like an asteroid. | Halley was introduced to [[Orbiter]] as an add-on in 2004. Since Orbiter was not designed to show a comet's tails, the add-on depicts it as a rugby ball shaped body much like an asteroid. | ||
| − | Halley orbits the [[Sun]] in a very elliptical orbit, moving retrograde to the Sun, unlike the planets which move prograde, or counter-clockwise looking from the north of the [[Solar System]]. [[periapsis|Periapsis]] takes Halley to between the orbits of [[Mercury]] and [[Venus]], and at [[apoapsis]] it is beyond | + | Halley orbits the [[Sun]] in a very elliptical orbit, moving retrograde to the Sun, unlike the planets which move prograde, or counter-clockwise looking from the north of the [[Solar System]]. [[periapsis|Periapsis]] takes Halley to between the orbits of [[Mercury]] and [[Venus]], and at [[apoapsis]] it is beyond [[Pluto]]. |
Note that when landed on Halley near the apoapsis, Halley provides only about 1% of the total gravity, the other 99% by the Sun, but, near apoapsis, Halley provides 98% of the gravity, the Sun, only about 2%. It may be difficult to stay landed near Halley's periapsis. The sphere of influence near apoapsis is about 37 km from the center, and near periapsis, the SOI is right about the surface. | Note that when landed on Halley near the apoapsis, Halley provides only about 1% of the total gravity, the other 99% by the Sun, but, near apoapsis, Halley provides 98% of the gravity, the Sun, only about 2%. It may be difficult to stay landed near Halley's periapsis. The sphere of influence near apoapsis is about 37 km from the center, and near periapsis, the SOI is right about the surface. | ||
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It should also be noted that when landing on Halley that the visual surfaces are well below the hard radius (5500 meters), which is not visible, so instrument landing with HUD in surface is recommended. | It should also be noted that when landing on Halley that the visual surfaces are well below the hard radius (5500 meters), which is not visible, so instrument landing with HUD in surface is recommended. | ||
| + | Add-ons which include Halley. | ||
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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 | ||
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== See also == | == See also == | ||
[[w:Halley's Comet|Halley's Comet]] at [[w:Wikipedia|Wikipedia]] | [[w:Halley's Comet|Halley's Comet]] at [[w:Wikipedia|Wikipedia]] | ||
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{{SolarSystem}} | {{SolarSystem}} | ||
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[[Category:Articles]] | [[Category:Articles]] | ||
[[Category:Celestial bodies]] | [[Category:Celestial bodies]] | ||
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[[Category:Comets]] | [[Category:Comets]] | ||