In spaceflight an orbit insertion is an orbital maneuver which adjusts a spacecraft’s trajectory, allowing entry into an orbit around a planet, moon, or...

moon goddess. Lunar orbit insertion (LOI) is an orbit insertion maneuver used to achieve lunar orbit. Low lunar orbit (LLO) is an orbit below 100 km (62 mi)...

communication with the spacecraft was permanently lost as it went into orbital insertion. The spacecraft encountered Mars on a trajectory that brought it too...

Venus orbit with an apoapsis altitude of 80,000 km (50,000 mi), a periapsis altitude of 300 km (190 mi), and a 30 h orbital period. The orbit insertion maneuver...

(NASA's designation for the Saturn V's third stage burn) To Contingency Orbit Insertion") In case of a failure of the S-II second stage, the stage would be...

September 27 commemorating the spacecraft's eight-year anniversary of insertion into Mars orbit. In November 2008, the first public acknowledgement of an uncrewed...

put the payload into orbit, and Energia-Buran, in which the Buran orbiter was the payload and the source of the orbit insertion impulse. The launch vehicle...

necessary propellant, the spacecraft orbital insertion targeted a highly elliptical orbit around Mercury. The elongated orbit had two other benefits: It allowed...

fly-bys of Jupiter and Saturn. Orbit insertion maneuvers leave a spacecraft in a destination orbit. In contrast, orbit injection maneuvers occur when...

team completed a 4-minute Lunar Orbit Insertion with Blue Ghost's RCS thrusters and main engine to enter an elliptical orbit around the Moon. Over the next...

gradually reduce the velocity of the spacecraft. Moments before Mercury orbit insertion, the MTM will be jettisoned from the spacecraft stack. After separation...

Halo orbit A halo orbit is a periodic, non-planar orbit associated with one of the L1, L2 or L3 Lagrange points in the three-body problem of orbital mechanics...

cruise time, but it would result in a faster approach velocity, making orbit insertion more challenging, especially since the density of Uranus' atmosphere...

the orbital speed of an astronomical body or object (e.g. planet, moon, artificial satellite, spacecraft, or star) is the speed at which it orbits around...

of about 380,000 km (240,000 mi). Chandrayaan-1 completed the lunar orbit insertion operation on 8 November 2008 at 11:21 UTC. This manoeuvre involved...

of the orbital insertion placed the orbiter in a highly elliptical polar orbit with a period of approximately 35.5 hours. Shortly after insertion, the periapsis...

on its surface. Apollo 8 was a lunar-orbit-only mission, Apollo 10 included undocking and Descent Orbit Insertion (DOI), followed by LM staging to CSM...

trajectory In orbital mechanics, a Lissajous orbit (pronounced [li.sa.ʒu]), named after Jules Antoine Lissajous, is a quasi-periodic orbital trajectory that...

nominal 60-nautical-mile (110 km) circular orbit above the Moon's surface. Initial lunar orbit insertion was an ellipse with a perilune of 60.0 nautical...

before orbit insertion, which used the orbiter's two Orbital Maneuvering System (OMS) engines. At the conclusion of the mission, the orbiter fired its...

an insertion into a heliocentric orbit as part of a journey that may require multiple orbital insertions, respectively. Near-rectilinear halo orbit (NRHO):...

Mueller & White (1971), pp. 333–334. O'Brien, Frank (1999). "Lunar Orbit Insertion". Apollo Flight Journal. David Woods. Retrieved June 25, 2020. Bate...

a planet orbiting the third star in the Alpha Centauri system, Proxima Centauri in August 2016. The planet, called Proxima Centauri b, orbits within the...

The orbital period (also revolution period) is the amount of time a given astronomical object takes to complete one orbit around another object. In astronomy...

astronautics, the Hohmann transfer orbit (/ˈhoʊmən/) is an orbital maneuver used to transfer a spacecraft between two orbits of different altitudes around...

scheduled 408-second main engine lunar orbit insertion burn and is currently in a 92 km circular lunar orbit. Initial data indicates the 800 m/s burn...

An orbital node is either of the two points where an orbit intersects a plane of reference to which it is inclined. A non-inclined orbit, which is contained...

mechanics a parabolic trajectory is a Kepler orbit with the eccentricity equal to 1 and is an unbound orbit that is exactly on the border between elliptical...

fired the ascent engine at the lowest point of the LM's orbit, mimicking the orbital insertion maneuver after launch from the lunar surface in a later...

with a velocity low enough to permit orbit insertion with available fuel. Although the flybys were primarily orbital maneuvers, each provided an opportunity...