Orbit Altitude: 705 km
Orbit Inclination: 98.2 Degrees
Equator Crossing: 1:45 p.m.
Period: 100 Minutes
Repeat Cycle: 16 Days
Orbit Type: LEO > Low Earth Orbit > Polar Sun-Synchronous

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NASA's Aura is a mission to understand and protect the air we
breathe. With the launch of Aura NASA has begun to make the most
comprehensive measurements of the Earth's atmosphere. It also caps off
a ... 15-year international effort to establish the world's most
comprehensive Earth Observing System, whose overarching goal is to
determine the extent, causes, and regional consequences of global
change. Aura's objective is to study the chemistry and dynamics of the
Earth's atmosphere with emphasis on the upper troposphere and lower
stratosphere (0-30km) by employing multiple instruments on a single
satellite. The satellite's measurements enable scientists to
investigate questions about ozone trends, air quality changes and
their linkages to climate change. These observations provide accurate
data for predictive models and provide useful information for local
and national government agencies.

Website: http://www.nasa.gov/mission_pages/aura/main/index.html

[Summary provided by NASA]

http://aura.gsfc.nasa.gov/
http://www.nasa.gov/mission_pages/aura/main/index.html
http://science.nasa.gov/missions/aura/
http://disc.gsfc.nasa.gov/Aura/
http://www.nasa.gov/mission_pages/aura/spacecraft/index.html