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Apogee vs Trajectory - What's the difference?

apogee | trajectory |

As nouns the difference between apogee and trajectory

is that apogee is the point, in an orbit about the Earth, that is furthest from the Earth: the apoapsis of an Earth orbiter while trajectory is the path of a body as it travels through space.

apogee

English

Noun

(en noun)
  • (astronomy) The point, in an orbit about the Earth, that is furthest from the Earth: the apoapsis of an Earth orbiter.
  • (astronomy, more generally) The point, in an orbit about any planet, that is farthest from the planet: the apoapsis of any satellite.
  • * 1995 , John H. Rogers, The Giant Planet Jupiter , Cambridge University Press, ISBN 978-0-521-41008-3, page 335:
  • Conjunctions of I and II [Io and Europa] occur when they are near perigee and apogee respectively; conjunctions of II and III [Europa and Ganymede] occur when II [Europa] is near perigee.
  • * 2002 , Serge Brunier, Solar System Voyage , Cambridge University Press, ISBN 978-0-521-80724-1, page 36:
  • The resolution of the images obtained by this American probe [Messenger] will depend on its altitude [above Mercury] at any one time: about ten meters at perigee (200km altitude), but only one 1 km at apogee (15000km).
  • * 2010 , Ruth Walker and Mary M. Shaffrey et al., Exploring Space: The High Frontier , Jones & Bartlett Learning, ISBN 978-0-7637-8961-9, page 129:
  • [Nereid’s] apogee —farthest point from Neptune—is five times the distance of its perigee—its closest point.
  • (possibly, archaic, outside, astrology) The point, in any trajectory of an object in space, where it is furthest from the Earth.
  • (figuratively) The highest point.
  • * 2004 March 22, :
  • The cult of the chief executive reached its apogee in the nineteen-nineties, a period when C.E.O.s seemed not so much to serve their companies as to embody them.
  • * '>citation
  • Synonyms

    * (point in an orbit) apocenter, apoapsis, apsis * (highest point or state) acme, culmination, pinnacle, zenith, climax * See also

    Antonyms

    * (a point in an orbit) periapsis * (a point in an orbit around the Earth) perigee * (highest point) nadir, perigee *: perigee is the etymological antonym (from Ancient Greek).

    trajectory

    Noun

    (trajectories)
  • (astronomy, space) The path of a body as it travels through space.
  • (cybernetics) The ordered set of intermediate states assumed by a dynamical system as a result of time evolution.
  • Metaphorically, a course of development, such as that of a war or career.
  • *{{quote-magazine, date=2013-03
  • , author= , title=The Smallest Cell , volume=101, issue=2, page=83 , magazine= citation , passage=It is likely that the long evolutionary trajectory' of ''Mycoplasma'' went from a reductive autotroph to oxidative heterotroph to a cell-wall–defective degenerate parasite. This evolutionary ' trajectory assumes the simplicity to complexity route of biogenesis, a point of view that is not universally accepted.}}

    Derived terms

    * (sense)