Re-entry and Risk Assessment for the NASA Upper Atmosphere Research Satellite (UARS)

[asankauditha]

NASA’s decommissioned Upper Atmosphere Research Satellite fell back to Earth between 11:23 p.m. EDT Friday, Sept. 23 and 1:09 a.m. EDT Sept. 24. The Joint Space Operations Center at Vandenberg Air Force Base in California said the satellite entered the atmosphere over the North Pacific Ocean, off the west coast of the United States. The precise re-entry time and location of any debris impacts are still being determined. NASA is not aware of any reports of injury or property damage

 

[asankauditha]

Upper Atmosphere Research Satellite
Launched: 12 September 1991 inside STS-48
Deployed: 15 September 1991
Dry mass: 5668 kg
Initial Operational Orbit: 575 km by
580 km, 57 deg inclination
Decommissioned: 15 December 2005 after maneuvering into a shorter-lived
disposal orbit
– Residual orbital lifetime reduced by ~ 20 years

 

[maxkells]

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