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...

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...

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...

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

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...

body. However, in the case of a spacecraft, the terms are commonly used to refer to the orbital altitude of the spacecraft above the surface of the central...

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...

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...

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

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

the effects of its own inertia and gravity. For example, it could be a spacecraft or missile in a suborbital trajectory. If other forces such as drag or...

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...

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

equal to the semi-minor axis of the hyperbola. In the situation of a spacecraft or comet approaching a planet, the impact parameter and excess velocity...

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...

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...

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

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

Uncrewed spacecraft or robotic spacecraft are spacecraft without people on board. Uncrewed spacecraft may have varying levels of autonomy from human input...

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

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...

a constellation of at least three spacecraft in Molniya orbits. If three spacecraft are used, then each spacecraft will be active for a period of eight...

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...

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...

possible to conserve fuel. This is typically achieved by launching a spacecraft directly into the desired inclination, or as close to it as possible so...

conventionnelle de gn. Lai, Shu T. (2011). Fundamentals of Spacecraft Charging: Spacecraft Interactions with Space Plasmas. Princeton University Press...

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

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...