The XTE (X-Ray Timing Explorer), renamed on orbit RXTE (Rossi X-Ray Timing Explorer) mission has the primary objective to study the temporal and broad-band spectral phenomena associated with stellar and galactic systems containing compact objects in the energy range 2--200 keV and in time scales from microseconds to years.

Mission type: Astrophysics · Orbit: Low Earth Orbit

Rocket: Delta II · Provider: United States Air Force