Eccentricity - Revision history

Jburk at 22:33, 17 December 2018

2018-12-17T22:33:18Z

Strangelv: Strangelv moved page GFDL:Eccentricity to Eccentricity over redirect: GFDL namespace has been rendered obsolete by namespace rules change

2017-11-14T13:11:41Z

Strangelv moved page GFDL:Eccentricity to Eccentricity over redirect: GFDL namespace has been rendered obsolete by namespace rules change

Strangelv: Applying what is temporarily the correct licence tag

2017-11-14T13:02:29Z

Applying what is temporarily the correct licence tag

Spriditis: Undo revision 6045 by 120.203.1.250 (Talk) vandalism

2011-11-03T15:39:03Z

Undo revision 6045 by 120.203.1.250 (Talk) vandalism

120.203.1.250: /* Definition */

2011-11-03T08:54:25Z

Definition

Ioneill: Eccentricity moved to GFDL:Eccentricity

2007-10-07T23:21:41Z

Eccentricity moved to GFDL:Eccentricity

Ioneill at 23:18, 7 October 2007

2007-10-07T23:18:11Z

Ioneill at 23:17, 7 October 2007

2007-10-07T23:17:49Z

Ioneill at 21:36, 6 October 2007

2007-10-06T21:36:42Z

Ioneill at 21:13, 6 October 2007

2007-10-06T21:13:38Z

← Older revision		Revision as of 22:33, 17 December 2018
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−	[[~~category~~:~~Orbital Mechanics~~]]	+	[[Category:Orbit]]

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 {{wikipedia}}
-For the love of God, keep wtrinig these articles.
+==Definition==
 ==Calculation==

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 {{wikipedia}}
-==Definition==
+For the love of God, keep wtrinig these articles.
 ==Calculation==

← Older revision		Revision as of 23:18, 7 October 2007
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	==Definition==		==Definition==

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	==Definition==		==Definition==

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 Any orbit in planetary dynamics can be assumed to be of conic cross-section shape. The '''eccentricity''' of this conic section, the orbit's eccentricity, is an important parameter of the orbit that defines its absolute shape. Eccentricity may be interpreted as a measure of how much this shape deviates from a circle.
-Eccentricity (<math>e\,\!</math>) is strictly defined for all [[circular orbit|circular]], [[elliptic orbit|elliptic]], [[parabolic orbit|parabolic]] and [[hyperbolic orbit|hyperbolic]] orbits and may take following values:<ref>[http://en.wikipedia.org/w/index.php?title=Orbital_eccentricity Wikipedia article on eccentricity.]</ref>
+Eccentricity (<math>e\,\!</math>) is strictly defined for all circular, elliptic, parabolic and hyperbolic orbits and may take following values:<ref>[http://en.wikipedia.org/w/index.php?title=Orbital_eccentricity Wikipedia article on eccentricity.]</ref>
-*for [[circular orbit]]s: <math>e=0\,\!</math>,
+*for circular orbits: <math>e=0\,\!</math>,
-*for [[elliptic orbit]]s: <math>0<e<1\,\!</math>,
+*for elliptic orbits: <math>0<e<1\,\!</math>,
-*for [[parabolic orbit]]s: <math>e=1\,\!</math>,
+*for parabolic orbits: <math>e=1\,\!</math>,
-*for [[hyperbolic orbit]]s: <math>e>1\,\!</math>.
+*for hyperbolic orbits: <math>e>1\,\!</math>.
 ==Calculation==
-For [[elliptic orbit]]s, eccentricity can be calculated from distance at [[periapsis]] and [[apoapsis]]:
+For elliptic orbits, eccentricity can be calculated from distance at [[periapsis]] and [[apoapsis]]:
 :<math>e={{d_a-d_p}\over{d_a+d_p}}</math>
 ::<math>=1-\frac{2}{(d_a/d_p)+1}</math>