evolved into the Orbital Space Plane Program and the Next Generation Launch Technology Program. Future versions of the Orbital Space Plane would have been...

cancellation) Orbital Space Plane Program One effort in the direction of space transportation was the Reusable Launch Vehicle (RLV) program, initiated in...

2004. Until 2019, the program was managed by Air Force Space Command. An X-37 first flew during a drop test in 2006; its first orbital mission was launched...

proposed to provide access to space after the shuttle were the Lockheed Martin X-33, VentureStar, the Orbital Space Plane Program, and Ares I launcher. For...

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

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

Constellation, Orbital Space Plane Program, and Artemis program. The Heavy Lift Launch Vehicle was a study by NASA to turn the Space Shuttle launch stack...

design improvements to HL-20 by Orbital Sciences that were done some years ago as part of NASA's Orbital Space Plane program. Whereas the HL-20 was a pure...

Orbital inclination measures the tilt of an object's orbit around a celestial body. It is expressed as the angle between a reference plane and the orbital...

exploration missions in space. This program was evolved into the Orbital Space Plane Program and the Next Generation Launch Technology program in November 2002...

drawing board. Spaceflight portal Comparison of orbital launch systems Non-rocket spacelaunch List of orbital launch systems List of private spaceflight companies#Crew...

and planned orbital vehicles launch vertically on a separate rocket. Orbital spaceflight takes place at high velocities, with orbital kinetic energies...

intersection between orbital plane and reference plane. Any three distinct points on an ellipse will define the ellipse orbital plane. The plane and the ellipse...

have a higher orbital velocity. For orbital rendezvous to occur, both spacecraft must be in the same orbital plane, and the phase of the orbit (the position...

Chaser orbital test vehicle was under contract to be launched on an initial orbital test flight, using an Atlas V rocket, from Kennedy Space Center in...

(340 mi) orbital altitude. These satellites would effectively operate in a third orbital shell, a 550 km (340 mi) orbit, while the higher and lower orbits at...

in addition to its lunar exploration goals. Orion superseded the Orbital Space Plane, which was specifically designed for ISS crew rotation. In 2009,...

demonstrator project for the National Aero-Space Plane (NASP), part of a United States project to create a single-stage-to-orbit (SSTO) spacecraft and passenger...

the International Space Station (ISS) and other low-Earth-orbit destinations. Developed by Boeing under NASA's Commercial Crew Program (CCP), it consists...

co-orbital anti-satellite, it is hard to believe that the major players in space will fail to notice the deployment of “research” satellites. Space warfare...

spacecraft called SpaceShipOne and SpaceShipTwo, in conjunction with Scaled Composites to offer sub-orbital spaceflights and later orbital spaceflights to...

the first orbital satellites and has reached the Moon and permanent human presence in space around Earth, particularly with the use of space stations....

developed many space programs since the beginning of the spaceflight era in the mid-20th century. The government runs space programs by three primary...

require. In 1979, NASA founded the Orbital Debris Program to research mitigation measures for space debris in Earth orbit. During the 1980s, NASA and other...

near-equatorial orbit is an orbit that lies close to the equatorial plane of the object orbited. Such an orbit has an inclination near 0°. On Earth, such orbits lie...

into orbit by the spacecraft. Smaller rocket engines on the craft's body provided propulsion in orbit and de-orbital burns, similar to the Space Shuttle's...

operated by China Manned Space Agency. Tiangong is a modular design, with modules docked together while in low Earth orbit, between 340 and 450 km (210...

Soviet Yuri Gagarin became the first human in space, executing a full orbital spaceflight. NASA's first orbital spaceflight was conducted by John Glenn on...

Orbiter is a space flight simulator program developed to simulate spaceflight using realistic Newtonian physics. The simulator was released on 27 November...

In quantum mechanics, an atomic orbital (/ˈɔːrbɪtəl/) is a function describing location and wave-like behavior of an electron in an atom. This function...