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NEXTSat, or Next Generation Satellite and Commodities Spacecraft (NEXTSat/CSC) is an American technology demonstration
satellite A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioisotope ...
which was operated as part of the
Orbital Express Orbital Express: ASTRO and NEXTSat Orbital Express was a space mission managed by the United States Defense Advanced Research Projects Agency (DARPA) and a team led by engineers at NASA's Marshall Space Flight Center (MSFC). The Orbital Express p ...
programme. It was used as a target spacecraft for a demonstration of autonomous servicing and refueling operations performed by the
ASTRO Astro may refer to: Entertainment and media * Astro (South Korean band), a South Korean boy band * Astro (UB40) (1957–2021), member of the British reggae band UB40 * Astro (Chilean band), a Chilean indie rock band * Astro (Japanese band), ...
satellite. Launched in March 2007, it was operated for four months, and then deactivated in orbit. NEXTSat was launched by
United Launch Alliance United Launch Alliance (ULA), legally United Launch Alliance, LLC, is an American spacecraft launch service provider that manufactures and operates a number of rocket vehicles that are capable of launching spacecraft into orbits around Earth, a ...
on an
Atlas V Atlas V is an expendable launch system and the fifth major version in the Atlas (rocket family), Atlas launch vehicle family. It was originally designed by Lockheed Martin, now being operated by United Launch Alliance (ULA), a joint venture be ...
401 rocket; serial number AV-013. The launch occurred at 03:10 UTC on 9 March 2007, from
Space Launch Complex 41 Space Launch Complex 41 (SLC-41), previously Launch Complex 41 (LC-41), is an active launch site at Cape Canaveral Space Force Station. As of 2020, the site is used by United Launch Alliance (ULA) for Atlas V launches. Previously, it had been use ...
at the Cape Canaveral Air Force Station. The launch was contracted by the Space Test Program to launch the STPSat-1 spacecraft, and was named STP-1. It also deployed ASTRO; as well as
FalconSAT-3 FalconSAT is the United States Air Force Academy's (USAFA) small satellite engineering program. Satellites are designed, built, tested, and operated by Academy cadets. The project is administered by the USAFA Space Systems Research Center under ...
,
CFESat CFESat (Cibola Flight Experiment Satellite) was a satellite that examined radio spectra for ionospheric and lightning studies, using field-programmable gate arrays (FPGAs). As well as science observation, the mission aimed to demonstrate the use of ...
and
MidSTAR-1 MidSTAR-1 is an artificial satellite produced by the United States Naval Academy Small Satellite Program. It was sponsored by the United States Department of Defense (DoD) Space Test Program (STP), and was launched on March 9, 2007 at 03:10 UTC, ...
. The launch marked the first time United Launch Alliance had launched an Atlas V, the type having previously been operated by International Launch Services. NEXTSat is a spacecraft, which was built by
Ball Aerospace Ball Aerospace & Technologies Corp. is an American manufacturer of spacecraft, components and instruments for national defense, civil space and commercial space applications. The company is a wholly owned subsidiary of Ball Corporation (NYSE: BAL ...
around the
RS-300 This page includes a list of satellite buses, of which multiple similar artificial satellites have been, or are being, built to the same model of structural frame, propulsion, spacecraft power and intra-spacecraft communication. Only commercially a ...
satellite bus A satellite bus (or spacecraft bus) is the main body and structural component of a satellite or spacecraft, in which the payload and all scientific instruments are held. Bus-derived satellites are opposed to specially produced satellites. Bus-d ...
. It was operated in
low Earth orbit A low Earth orbit (LEO) is an orbit around Earth with a period of 128 minutes or less (making at least 11.25 orbits per day) and an eccentricity less than 0.25. Most of the artificial objects in outer space are in LEO, with an altitude never mor ...
; on 9 March 2007, it had a
perigee An apsis (; ) is the farthest or nearest point in the orbit of a planetary body about its primary body. For example, the apsides of the Earth are called the aphelion and perihelion. General description There are two apsides in any ellip ...
of , an
apogee An apsis (; ) is the farthest or nearest point in the orbit of a planetary body about its primary body. For example, the apsides of the Earth are called the aphelion and perihelion. General description There are two apsides in any ellip ...
of , 46.0 degrees of
inclination Orbital inclination measures the tilt of an object's orbit around a celestial body. It is expressed as the angle between a Plane of reference, reference plane and the orbital plane or Axis of rotation, axis of direction of the orbiting object ...
, and an
orbital period 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, it usually applies to planets or asteroids orbiting the Sun, moons orbiting planets ...
of 94.49 minutes. After completing operations, the ASTRO and NEXTSat spacecraft were separated, and ASTRO performed a separation burn. On 21 July 2007, NEXTSat was deactivated. , it was expected to remain in orbit until around 2012.


References

Spacecraft launched in 2007 Derelict satellites orbiting Earth {{US-spacecraft-stub