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Detailed information about NIMBUS 7 satellite

Designator id: 1978-098A

Description of NIMBUS 7 Satellite:

The Nimbus 7 research-and-development satellite served as a stabilized, earth-oriented platform for the testing of advanced systems for sensing and collecting data in the pollution, oceanographic and meteorological disciplines. The polar-orbiting spacecraft consisted of three major structures: (1) a hollow torus-shaped sensor mount, (2) solar paddles, and (3) a control housing unit that was connected to the sensor mount by a tripod truss structure. Configured somewhat like an ocean buoy, Nimbus 7 was nearly 3.04 m tall, 1.52 m in diameter at the base, and about 3.96 m wide with solar paddles extended. The sensor mount that formed the satellite base housed the electronics equipment and battery modules. The lower surface of the torus provided mounting space for sensors and antennas. A box-beam structure mounted within the center of the torus provided support for the larger sensor experiments. Mounted on the control housing unit, which was located on top of the spacecraft, were sun sensors, horizon scanners, and a command antenna. The spacecraft spin axis was pointed at the earth. An advanced attitude-control system permitted the spacecraft's orientation to be controlled to within plus or minus 1 deg in all three axes (pitch, roll, and yaw). Eight experiments were selected: (1) limb infrared monitoring of the stratosphere (LIMS), (2) stratospheric and mesopheric sounder (SAMS), (3) coastal-zone color scanner (CZCS), (4) stratospheric aerosol measurement II (SAM II), (5) earth radiation budget (ERB), (6) scanning multichannel microwave radiometer (SMMR), (7) solar backscatter UV and total ozone mapping spectrometer (SBUV/TOMS), and (8) temperature-humidity infrared radiometer (THIR). These sensors were capable of observing several parameters at and below the mesospheric levels. More details can be found in "The Nimbus 7 Users' Guide" (TRF B30045) and "Nimbus-7 Data Product Summary" (NASA RP-1215), available from NSSDC.

Technical data:

Launch Date: 1978-10-24
Launch Vehicle: Delta
Launch Site: Vandenberg AFB, United States
Mass: 832.0 kg
Nominal Power: 300.0 W
Funding Agencies:

NASA-Office of Space Science Applications (United States)


Earth Science
Solar Physics

Source: Nasa

Two Line Element Set (TLE):
1 11080U 78098A   12338.85275126 -.00000140  00000-0 -85966-4 0  8168
2 11080 099.3135 085.9026 0009446 041.0571 319.1277 13.84172005722993

Last TLE update on :2012-12-04

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