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{{for|other measures of satellite orbits|Orbital period}} ...ial satellites, like those that [[weather satellite|monitor weather]] on [[Earth]], and [[natural satellite]]s like the [[Moon]]. ...

...[[Inclined orbit|inclined]] and [[Sun-synchronous orbit|sun-synchronous]] orbits depend on launch altitude, inclination, and time.<ref>{{Cite journal |last= ...to the Sun, even though they may be orbiting in different planes around [[Earth]].<ref name="orbit"/> ...

...of artificial satellites, which have no measurable effect on the motion of Earth. The nodal precession of more massive, [[natural satellite]]s like the [[Mo ...[equatorial bulge]]. This bulge creates a gravitational effect that causes orbits to precess around the rotational axis of the primary body. ...

...es]] of the [[celestial sphere]], as observed from a given body (usually [[Earth]]). ...an approximately straight line, or [[syzygy (astronomy)|syzygy]]; that is, Earth and the body are in the same direction as seen from the Sun. Opposition occ ...

...) is a wave in the ocean, or large lakes, which is affected by gravity and Earth's rotation (see [[Coriolis effect]]). ...rength of gravity and rotation. In the long wave limit, these are circular orbits characterized by inertial oscillations. ...

The name is analogous to the term [[geocentric orbit]] for an orbit around Earth and [[heliocentric orbit]] for an orbit around the Sun. The [[apsides]] of ==Stationary and synchronous orbits== ...

{{Short description|Super-Earth orbiting Kepler-90}} | mean_radius = 1.32±0.21<ref name="NASAExoplanet" /> {{Earth radius|link=y}} ...

...} was thought to be a [[Mars-crossing asteroid]] that could be a threat to Earth, but was later found to be another main-belt asteroid. ...ith observation arcs less than several years often have poorly constrained orbits.<ref>[https://twitter.com/astrokiwi/status/981438339420250114 TNOs really d ...

...inly from the inner planets [[Mercury (planet)|Mercury]], [[Venus]], the [[Earth]], and [[Mars]]. ...Hood, Marlowe | date = June 10, 2009 | url = https://phys.org/news/2009-06-earth-venus-smash-up-billion-years.html | access-date = February 22, 2022 | via = ...

...density is given as <math>0.15696615\text{ kg}/(\mathrm{m}^2 \cdot R_\text{Earth})</math>.<ref>{{cite report|title=SPACETRACK Report No. 3 Models for Propag [[Category:Orbits]] ...

...distance of about {{convert|8|e6km|e6mi|abbr=unit|0}} and takes almost two Earth years to complete its orbit. [[File:Irregular moon orbits a vs. i.jpg|thumb|left|upright=1.5|Irregular satellites of Jupiter (red), S ...

...lanet|lost]]. However, large numbers of smaller NEAs have highly uncertain orbits.<ref name="MPC-NEA"/>]] ...be used as a predictor for the uncertainty in the future motion of [[near-Earth object]]s.<ref name="MPC-Uncertainty"/> ...

'''HD 89345 b''' is a Neptune-like exoplanet that orbits a [[G-type star]]. It is also called K2-234b. Its mass is equivalent to 35. ...b and HD 286123b, two exoplanets of the sub-Jupiter type are discovered in orbits around bright stars - Upcosmos.com|date=2018-03-20|work=Upcosmos.com|access ...

{{Short description|Julian Date (JD) corrected for differences in the Earth's position with respect to the Sun}} ...('''HJD''') is the [[Julian Date]] (JD) corrected for differences in the [[Earth]]'s position with respect to the [[Sun]]. When timing events that occur bey ...

{{Short description|Red dwarf star with Earth-like planet}} ...estrial planet]]s, somewhat larger than Earth. The outer planet LP 890-9 c orbits within the [[habitable zone]], and is a favorable target for atmospheric ch ...

...10800|km/h}}, whereas in [[low Earth orbit]] it is {{convert|27000|km/h}}. Orbits can be achieved at any altitude, as there is no upper limit to velocity in ...ck Hole|black holes]] and [[neutron star]]s have innermost stable circular orbits outside of their surfaces. As the angular momentum of the central object in ...

...age distance of over {{convert|23|e6km|e6mi|abbr=unit}} and takes almost 9 Earth years to complete its orbit. [[File:Irregular moon orbits a vs. i.jpg|thumb|left|upright=1.5|Irregular satellites of Jupiter (red), S ...

...the satellite's [[primary (astronomy)|primary]] (the planet the satellite orbits). Therefore, the two forces are |[[Earth]]||[[Moon]]||0.46 ...

...8273.pdf Using a Gravity Tractor to Help Mitigate Asteroid Collisions with Earth]</ref> The gravitational force of a nearby space vehicle, though small, is ...attering it into fragments, some of which might be themselves dangerous to Earth if left in a collision orbit. ...

...star [[38 Virginis]] about 108.5 [[light-year]]s (33.26 [[parsec]]s) from Earth in the constellation [[Virgo (constellation)|Virgo]]. The exoplanet was fo The planet orbits a ([[Stellar classification#Class F|F-type]]) [[star]] named [[38 Virginis] ...