The Aura spacecraft is designed for a six-year lifetime. The spacecraft
orbits at 705 km in a sun-synchronous orbit with a 1:45 PM ±15 minute
equator crossing time. Aura limb instruments are all designed to observe
roughly along the orbit plane. MLS is on the front of the spacecraft
(the forward velocity direction) while HIRDLS, TES and OMI are mounted
on the nadir side.
The Aura spacecraft was launched on July 15, 2004, into a near polar,
sun-synchronous orbit with a period of approximately 100 minutes. The
spacecraft repeats its ground track every 16 days to provide atmospheric
measurements over virtually every point on the Earth in a repeatable
pattern, permitting assessment of atmospheric phenomena changes in the
same geographic locations throughout the life of the mission.
The HIRDLS Power Supply System, PCB
components were designed under sub-contract by ourselves
whilst our designer was working at G&B Electronic
Designs. He went on a 14 week contract to CCLRC at their
Rutherford Appleton Laboratory outside Abingdon in Oxfordshire
and completed his contract in 1999.
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