Operation Orbital was the code-name for a British military operation to train and support the Armed Forces of Ukraine. It was launched in 2015 in response...

Ukraine. It is a successor to Operation Orbital (2015–2022) and began in July 2022. Unlike its predecessor, Operation Interflex takes place within the...

Operation Sea Orbit was the 1964 circumnavigation of Task Force One of the United States Navy, consisting of the aircraft carrier USS Enterprise (CVAN-65)...

Enhanced Forward Presence Operation KIPION - the ongoing UK presence in the Persian Gulf region Operation ORBITAL - the UK operation to provide training and...

4π2R3 = T2GM and V2R = GM, where R is the radius of orbit in metres; T, the orbital period in seconds; V, the orbital speed in m/s; G, the gravitational constant...

under Operation Orbital to help train the Armed Forces of Ukraine against further Russian aggression. This operation was succeeded by Operation Interflex...

Orbital ATK Inc. was an American aerospace manufacturer and defense industry company. It was formed in February 9, 2015 from the merger of Orbital Sciences...

region. The terms atomic orbital and molecular orbital were introduced by Robert S. Mulliken in 1932 to mean one-electron orbital wave functions. At an elementary...

the Black Sea for training with the Ukrainian and allied navies (Operation Orbital). Later in the year, with marines from 42 Commando on board, the patrol...

gravitation. Orbital mechanics is a core discipline within space-mission design and control. Celestial mechanics treats more broadly the orbital dynamics...

orbit at an altitude of 20,200 kilometers (12,600 mi) with an orbital period of almost 12 hours. Geosynchronous orbit (GSO) and geostationary orbit (GEO)...

molecular orbitals, which can be numbered i = 1 to n and which may not all be the same. The expression (linear expansion) for the i th molecular orbital would...

the blepharoplasty operation (operation to strengthen the orbital septum) are located posterior to the orbital septum. The orbital septum is an important...

match of the orbital velocities and position vectors of the two spacecraft, allowing them to remain at a constant distance through orbital station-keeping...

experience in spacecraft rendezvous technology, permanent human operations in orbit, long-term autonomous spaceflight of the space station, regenerative...

except single-stage-to-orbit vehicles cannot get into space on their own, and require a launch vehicle (carrier rocket). On a sub-orbital spaceflight, a space...

Orbital Sciences Corporation (commonly referred to as Orbital) was an American company specializing in the design, manufacture, and launch of small- and...

considered a sub-orbital spaceflight. Some sub-orbital flights have been undertaken to test spacecraft and launch vehicles later intended for orbital spaceflight...

Orbital Reef is an under development low Earth orbit (LEO) space station being designed by Blue Origin and Sierra Nevada Corporation's Sierra Space for...

to drag from the Earth's atmosphere, which decreases the orbital altitude. The rate of orbital decay depends on the satellite's cross-sectional area and...

deployed soldiers operationally on Operation Elgin (Bosnia / Kosovo), Operation Tosca (Cyprus), Operation Orbital (Ukraine), and as part of the NATO Enhanced...

large as those faced by orbital spaceflight. A minimal orbital spaceflight requires much higher velocities than a minimal sub-orbital flight, and so it is...

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...

second-stage in an elliptical geocentric orbit with a low-perigee, thus ensuring rapid orbital decay and avoiding long-term orbital debris from spent rocket bodies...

is divided into two sections: the Russian Orbital Segment (ROS) assembled by Roscosmos, and the US Orbital Segment (USOS), assembled by NASA, JAXA, ESA...

bay: 7 × 4 ft (2.1 × 1.2 m) Performance Orbital speed: 17,426 mph (28,044 km/h) Orbit: Low Earth orbit Orbital time: 270 days (design) 908 days (demonstrated)...

by Orbital Sciences Corporation (OSC) and later built and launched by Northrop Grumman. Pegasus is the world's first privately developed orbital launch...

project developer Eauclaire Tidal. Orbital previously announced in 2018 that they planned to deploy their floating 2 MW Orbital O2 turbines at the Morlais site...

during the orbital lifetime of LEO satellites. Orbital decay is caused by atmospheric drag and to keep the satellite in the correct orbit the platform...

The Space Shuttle orbiter is the spaceplane component of the Space Shuttle, a partially reusable orbital spacecraft system that was part of the discontinued...