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The [[Moon]], which orbits Earth rather than the Sun, is in approximate opposition to the Sun at full ...uch occurrences involving the same two planets is not constant because the orbits are not circular and because the planets perturb one another. But the avera ...

...nner planets [[Mercury (planet)|Mercury]], [[Venus]], the [[Earth]], and [[Mars]]. ...person/Laskar/jxl_insola.html Astronomical study of paleoclimate Earth and Mars]</ref> ...

...[[Inclined orbit|inclined]] and [[Sun-synchronous orbit|sun-synchronous]] orbits depend on launch altitude, inclination, and time.<ref>{{Cite journal |last= ...g on the Sun defines a beta angle as positive if the satellite in question orbits in a counterclockwise direction and negative if it revolves [[clockwise]].< ...

...th an observation arc of 3 days, {{mpl|2004 BX|159}} was thought to be a [[Mars-crossing asteroid]] that could be a threat to Earth, but was later found to ...ith observation arcs less than several years often have poorly constrained orbits.<ref>[https://twitter.com/astrokiwi/status/981438339420250114 TNOs really d ...

...ng in collisions. These impacts can be colossal, with bodies comparable to Mars colliding with larger planets, leading to dramatic changes in structure and ...ces challenges, such as accounting for an iron fraction in between that of Mars (13%) and Earth's mantle (18%).<ref>Taylor, Stuart R. (1997). "The Bulk Com ...

...the satellite's [[primary (astronomy)|primary]] (the planet the satellite orbits). Therefore, the two forces are |[[Mars]]||[[Phobos (moon)|Phobos]]||195 ...

...the required launch energy and of the maneuvers needed for the capture at Mars can be obtained. This approach is often used in conjunction with the [[patc It is possible to parametrize all possible orbits passing through the two points <math> \mathbf r_1 </math> and <math> \mathb ...

{{Short description|Comet that had a close encounter with Mars in 2014}} ...After its discovery, there was thought to be a chance of a collision with Mars, but this possibility was excluded when its orbit was determined with about ...

The planet orbits a ([[Stellar classification#Class F|F-type]]) [[star]] named [[38 Virginis] ...axis of 1.82 [[astronomical unit|AU]] (this separation is comparable to [[Mars]]'s semi-major axis, which is 1.53 AU). It likely receives as much [[stella ...

...ite web|url=http://www.bogan.ca/orbits/geometry.html|title=The Geometry of Orbits: Ellipses, Parabolas, and Hyperbolas|website=www.bogan.ca}}</ref>}}<!--NOTE ...axis {{mvar|a}} (average of aphelion and perihelion) of some Solar System orbits (crosses denoting Kepler's values) showing that {{math|1=''a''³{ ...

...r Solar System resulting in smaller terrestrial planets, a small mass of [[Mars]] and a low mass asteroid belt. ...2015 /> Gas in a protoplanetary disk is pressure supported and as a result orbits at a velocity slower than large objects.<ref name=Kretke_2014 /> The gas af ...

...d the precession rate of the orbit are exaggerated for visualization. Most orbits in the [[Solar System]] have a much lower eccentricity and precess at a muc ...uare law]], relating force to distance and hence execute closed elliptical orbits according to [[Bertrand's theorem]]. Non-spherical mass effects are caused ...

...> [[Mars]],<ref>Davies, M. E., and R. A. Berg, "Preliminary Control Net of Mars,"Journal of Geophysical Research, Vol. 76, No. 2, pps. 373-393, January 10, ...alization of [[geodetic datum]]s for other planetary bodies, such as the [[Mars datum]]; it requires the specification of physical reference points or surf ...

...s–Pajdušáková]] on the morning of October 8, and moved apparently close to Mars on October 15. The comet came to [[Opposition (planets)|opposition]] at 178 ...inorplanetcenter.net/mpec/K11/K11C16.html MPEC 2011-C16 : OBSERVATIONS AND ORBITS OF COMETS] (2011 Feb. 5: ''e''&nbsp;=&nbsp;1.0005, ''q''&nbsp;=&nbsp;0.4812 ...

...trajectory that will eject it from the Solar System. Objects in hyperbolic orbits have a negative semimajor axis, giving them a positive orbital energy. Afte ...gend2|Yellow|Sun}}{{·}}{{·}}{{legend2|RoyalBlue|Earth}}{{·}}{{legend2|Gold|Mars}}{{·}}{{legend2|Cyan|Jupiter}}{{·}}{{legend2|Orangered|Saturn}}]] ...

...ry {{convert|737.11|d|yr|sigfig=3|disp=or}}, comparable to the orbit of [[Mars]] in the [[Solar System]].<ref name="Skuse2022"/> At this distance, Kepler- Kepler-1708b orbits around the Sun-like star Kepler-1708, located in the constellation of [[Cyg ...

...[Subsatellite]]s). Some bodies also possess [[quasi-satellite]]s that have orbits gravitationally influenced by their primary, but are generally not consider ...well as many asteroids and plutinos. Apart from the Earth-Moon system and Mars' system of two tiny natural satellites, the other terrestrial planets are g ...

...gravity with altitude becomes important, especially for highly elliptical orbits. A similar model adjusted for the geometry and gravitational field for Mars can be found in publication NASA SP-8010.<ref name=SP8010> ...

...ve detailed the [[magnetic fields]] of the [[Earth]], [[Moon]], [[Sun]], [[Mars]], [[Venus]] and other planets and moons. There are ongoing missions using [[Image:Mars global surveyor.jpg|thumb|right|300px|Magnetometers are mounted at both end ...

[[File:Kepler orbits.svg|thumb|An elliptic Kepler orbit with an eccentricity of 0.7, a parabolic ...oes not take into account the effects of [[general relativity]]. Keplerian orbits can be [[Parametrization (geometry)|parametrized]] into six [[orbital eleme ...