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- NOAA-9 (ATN series) was launched on December 12, 1984 and was a third-generation operational meteorological satellite. The satellite design provided an economical and stable sun-synchronous platform. This platform enables the satellite to carry advanced operational instruments to measure the earth's atmosphere, its surface and cloud cover, and the near-space environment. The satellite was based upon the Block 5D spacecraft bus developed for the U.S. Air Force, and was capable of maintaining an earth-pointing accuracy of better than plus or minus 0.1 degree with a motion rate of less than 0.035 degree/second. Primary sensors included (1) an Advanced Very High Resolution Radiometer (AVHRR), (2) a TIROS Operational Vertical Sounder (TOVS), (3) an Earth Radiation Budget Experiment (ERBE), and (4) a Solar Backscatter Ultraviolet Radiometer (SBUV/2). The secondary experiment was a Data Collection and Platform Location System (DCPLS). A Search and Rescue Satellite Aided Tracking (SARSAT) system was also carried on NOAA-9. Orbital Characteristics- Orbital Period: 102.00 m Inclination: 99.17 degrees Eccentricity: 0.00145 Periapsis: 841.00 km Apoapsis: 862.00 km To view a 3D orbit, observe the J track satellite tracking web page: "http://liftoff.msfc.nasa.gov/RealTime/JTrack"
__________ Taken from the NSSDC System for Information Retrieval and Storage (SIRS). For more information contact the NSSDC Coordinated Request and User Support Office, 301-286-6695 (NASA Goddard Space Flight Center, Code 933.4, Greenbelt, Maryland 20771, USA, "http://nssdc.gsfc.nasa.gov/"). Group: Platform_Details Entry_ID: NOAA-9 Group: Platform_Identification Platform_Category: Earth Observation Satellites Platform_Series_or_Entity: NOAA POES (Polar Orbiting Environmental Satellites) Short_Name: NOAA-9 Long_Name: National Oceanic & Atmospheric Administration-9 End_Group Group: Synonymous_Platform_Names Short_Name: NOAA-9 End_Group Group: Platform_Associated_Instruments Short_Name: AVHRR Short_Name: TOVS Short_Name: ERBE End_Group Group: Orbit Orbit_Inclination: 99.17 deg Period: 102 min Perigee: 841 km Apogee: 862 km End_Group Creation_Date: 2007-11-09 Online_Resource: http://nssdc.gsfc.nasa.gov/ Sample_Image: http://liftoff.msfc.nasa.gov/RealTime/JTrack Group: Platform_Logistics Launch_Date: 1984-12-12 Primary_Sponsor: NASA End_Group End_Group
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