Space Telescope
XMM-NEWTON
OperationalSpace TelescopeHEO
XMM-Newton, also known as the High Throughput X-ray Spectroscopy Mission and the X-ray Multi-Mirror Mission, is an X-ray space observatory launched by the European Space Agency in December 1999 on an Ariane 5 rocket. It is the second cornerstone mission of ESA's Horizon 2000 programme. Named after physicist and astronomer Sir Isaac Newton, the spacecraft is tasked with investigating interstellar X-ray sources, performing narrow- and broad-range spectroscopy, and performing the first simultaneous imaging of objects in both X-ray and optical wavelengths.
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Launch
- Launch date
- December 10, 1999 at 02:32 PM UTC
- Launch site
- Guiana Space Centre, Kourou
- Launched by
- Ariane 5 G →
- Operator
- European Space Agency
- Mission
- XMM-Newton
- Launch record
- View full launch →
Orbit
- Orbit regime
- HEO
- Apoapsis
- 91,865 km
- Periapsis
- 29,263 km
- Inclination
- 64.5°
- Orbital period
- 2872.82 min
Spacecraft
- Operator
- European Space Operations Centre (ESOC)
- Manufacturer
- Dornier Systems (and 46 subcontractors)
- Users
- Government
- Launch mass
- 3,764 kg
- Dry mass
- 3,233 kg
- Design lifetime
- 10 years
Identity
- COSPAR (Int'l)
- 1999-066A
- NORAD catalog №
- 25989
- Object type
- Payload
- Owner / operator
- European Space Agency
- Radar cross-section
- 10.0237 m²
- Status
- Operational