Spacecraft collision avoidance is the implementation and study of processes minimizing the chance of orbiting spacecraft inadvertently colliding with other...

water transport Collision avoidance (spacecraft) Collision avoidance system in automobiles Positive train control Tower Crane Anti-Collision Systems Collison...

the orbit of a spacecraft. For spacecraft far from Earth, an orbital maneuver is called a deep-space maneuver (DSM). When a spacecraft is not conducting...

was in an orbit with a beta angle of less than 60 degrees. Collision avoidance (spacecraft) Delta-v budget Interplanetary travel Oberth effect Look up...

further out or are sub-orbital, are carefully tracked since they present a collision risk to the many LEO satellites. No human spaceflights other than the...

meaning small departures from equilibrium grow over time. As a result, spacecraft in these Lagrangian point orbits must use their propulsion systems to...

the two planetary bodies and the Coriolis and centrifugal force on a spacecraft. Halo orbits exist in any three-body system, e.g., a Sun–Earth–orbiting...

management and collision avoidance programming led to a soft collision with the target and premature destruction and retirement of the DART spacecraft.[citation...

osculating orbits for the escape from Earth orbit by the ion-driven SMART-1 spacecraft: ESA Science & Technology - SMART-1 Osculating Orbit up to 25.08.04 A...

An orbital spaceflight (or orbital flight) is a spaceflight in which a spacecraft is placed on a trajectory where it could remain in space for at least...

Launched in 1978, the ISEE-3 spacecraft was sent on a mission to orbit around one of the Lagrange points. The spacecraft was able to maneuver around the...

satellites. However, the delta-v, and therefore financial, cost to send a spacecraft to such orbits is very high due to their high orbital radius. A GTO is...

astrodynamics, orbital station-keeping is keeping a spacecraft at a fixed distance from another spacecraft or celestial body. It requires a series of orbital...

kilometers or 0.01 au from Earth (away from the sun). An example of a spacecraft designed to operate near the Earth–Sun L2 is the James Webb Space Telescope...

adjustment of the time-position of spacecraft along its orbit, usually described as adjusting the orbiting spacecraft's true anomaly. Orbital phasing is...

Helios, the personification of the Sun in Greek mythology. The first spacecraft to be put in a heliocentric orbit was Luna 1 in 1959. An incorrectly timed...

including spacecraft and natural astronomical bodies such as star systems, planets, moons, and comets. Orbital mechanics focuses on spacecraft trajectories...

A parking orbit is a temporary orbit used during the launch of a spacecraft. A launch vehicle follows a trajectory to the parking orbit, then coasts for...

orbits are not circular. When farthest from the Moon (at apoapsis) a spacecraft is said to be at apolune, apocynthion, or aposelene. When closest to the...

been no spacecraft collisions with the Martian moons. There have been no spacecraft collisions with any Jovian moons. Note that to avoid collision with Europa...

orbital period, while T is the period of the spacecraft around the Earth. As the orbital period of a spacecraft is T = 2 π a 3 μ , {\displaystyle T=2\pi {\sqrt...

and spacecraft. In addition to derelict human-made objects left in orbit, space debris includes fragments from disintegration, erosion, or collisions; solidified...

low-energy transfer, or low-energy trajectory, is a route in space that allows spacecraft to change orbits using significantly less fuel than traditional transfers...

orbital energy ϵ {\displaystyle \epsilon } of the escaping object. A spacecraft with insufficient energy to escape will remain in a closed orbit (unless...

difficult to assess their prevalence. Despite efforts to reduce risk, spacecraft collisions have occurred. The European Space Agency telecom satellite Olympus-1...

satellite had been deactivated prior to the collision, and remained in orbit as space debris. The other spacecraft, Iridium 33, was a 560-kilogram (1,200 lb)...

Asteroid impact avoidance encompasses the methods by which near-Earth objects (NEO) on a potential collision course with Earth could be diverted, preventing...

A distant retrograde orbit (DRO), as most commonly conceived, is a spacecraft orbit around a moon that is highly stable because of its interactions with...

formulation has been highly relevant in the astrodynamics, mainly to model spacecraft trajectories in the Earth-Moon system with the addition of the gravitational...

rendezvous (/ˈrɒndeɪvuː/) is a set of orbital maneuvers during which two spacecraft, one of which is often a space station, arrive at the same orbit and approach...