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...web |url=https://spacefoundation.org/space_brief/types-of-orbits/#:~:text=Satellites%20in%20HEO%20are%20suited,remote%20sensing%20and%20other%20applications. |t ...missions]] to [[deep space exploration|deep space]]. The ability to place satellites in HEO has allowed scientists to make groundbreaking discoveries in [[astro ...

...active craft in the same orbit as its target. For many [[low Earth orbit]] satellites, the effects of [[Orbital perturbation analysis (spacecraft)|non-Keplerian] For spacecraft in a [[halo orbit]] around a [[Lagrange point]], station-keeping is even more fundamental, as such an orbit is unst ...

...bject's orbit, for example the effect of the [[Moon]]'s gravity on objects orbiting Earth. ...elements that are not osculating. Also, in some situations, the standard (Lagrange-type or Delaunay-type) equations furnish orbital elements that turn out to ...

...on|Type of co-orbital motion of a small orbiting body relative to a larger orbiting body}} ...tion|co-orbital motion]] of a small [[orbit]]ing body relative to a larger orbiting body. The [[osculating orbit|osculating]] (instantaneous) [[orbital period] ...

...ts which occupy, have occupied, or are planned to occupy any of the five [[Lagrange point]]s of two-body systems in space. ...nge very massive.svg|right|thumb|300px|A diagram showing the five Lagrange points in a two-body system]] ...

...jan moons of Saturn, Polydeuces exhibits the largest displacement from its Lagrange point. ...} The observed motion of Polydeuces immediately suggested that it could be orbiting Saturn at the distance of one of the large moons, [[Dione (moon)|Dione]], p ...

{{Short description|Equilibrium points near two orbiting bodies}} {{For|the video game|Lagrange Point (video game){{!}}''Lagrange Point'' (video game)}} ...

...scription|Region in which an astronomical body dominates the attraction of satellites}} ...a two-body system, here, the Sun and Earth, indicating the five [[Lagrange points]].{{clarify|date = July 2023}}<!--This complex image demands better descrip ...

[[File:Lagrange 2 mass.gif|left|thumb|The five Lagrange points for a circular orbit]] ...he two primary masses. Collectively, these solutions became known as the [[Lagrange point]]s.<ref>{{cite book | title=Periodic Orbits: F. R. Moulton's Quest fo ...

| orbit_regime = Sun-Earth [[Lagrange point]] L1 | next_mission = [[Space Weather Follow On-Lagrange 1]] ...

When viewed from an [[inertial frame]], two orbiting bodies trace out distinct trajectories. Each of these trajectories has its ...fectly circular orbits, there is no distinct apoapsis or periapsis, as all points of the orbit have the same distance from the central body. Additionally, it ...

{{About|NASA satellites|the 2001 Mars Odyssey orbiter camera system|Thermal Emission Imaging System | image = Five Themis satellites seen from above.jpg ...

{{Short description|Either of two extreme points in a celestial object's orbit}} ...The apsides refer to the farthest (2) and nearest (3) points reached by an orbiting [[planetary-mass object|planetary body]] (2 and 3) with respect to a [[prim ...

[[File:Orbital motion.gif|thumb|261px|A satellite orbiting Earth has a [[Speed#Tangential speed|tangential velocity]] and an inward [[ ...Modern orbit determination and prediction are used to operate all types of satellites and space probes, as it is necessary to know their future positions to a hi ...

...he ground have to follow the position of the satellites and switch between satellites frequently. ...er=Satellites.spacesim.org |access-date=2016-02-10}}</ref> Communications satellites use a wide range of radio and [[microwave]] [[frequencies]]. To avoid signa ...

...science satellites]], [[List of communications satellite firsts|commercial satellites]] or [[List of human spaceflights|crewed missions]]. |+ class="nowrap" | Artificial satellites and space probes in the 1950s ...

| orbit_reference = [[Lagrange point#L1|Sun–Earth L₁ orbit]] ...SOHO is one of five spacecraft in the vicinity of the [[Earth]]–[[Sun]] [[Lagrange point|L1 point]], a point of gravitational balance located approximately 0. ...

{{About|human-made satellites|moons|Natural satellite|other uses|Satellite (disambiguation)}} ...CubeSats.jpg|300px|thumb|upright=1.5|alt=Two 3U CubeSats|Two [[CubeSat]]s orbiting around [[Earth]] after being deployed from the ISS [[Kibō (ISS module)|''Ki ...

...raft to be placed in a [[halo orbit]] at the {{L1|nolink=yes}} Earth-Sun [[Lagrange point]].<ref name="nasa_sse">{{cite web |url=http://solarsystem.nasa.gov/mi ISEE-3 originally operated in a [[halo orbit]] about the {{L1}} Sun-Earth [[Lagrange point]], 235 Earth radii above the surface (about {{cvt|1500000|km}}. It wa ...

...refer to a non-repeating trajectory. To a close approximation, planets and satellites follow [[elliptic orbit]]s, with the [[barycenter|center of mass]] being or ...This illustration shows the Earth at the center, with the Moon and planets orbiting around it, based on Ptolemy's geocentric model before Copernicus' heliocent ...