Satellite-based microaccelerometric measurements for atmospheric research

Ladislav Sehnal; Radek Peresty

doi:10.1117/12.454286

30 January 2002 Satellite-based microaccelerometric measurements for atmospheric research

Ladislav Sehnal, Radek Peresty

Proceedings Volume 4485, Optical Spectroscopic Techniques, Remote Sensing, and Instrumentation for Atmospheric and Space Research IV; (2002) https://doi.org/10.1117/12.454286
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

The measurement of the surface forces, effecting the position and attitude of a satellite in a LEO orbit is the bases of the project of Micro Measurements Of Satellite Acceleration (MIMOSA). A highly sensitive three-axial electrostatically compensated microaccelerometer with metal-coated quartz parts of optical quality is mounted within the mass-center of a specially designed satellite as the only scientific instrument. An optical detection of the proof-mass position inside the cubic cavity has been considered too. The device is sensitive to the surface forces only. On a properly designed orbit it can trace the atmospheric and radiation pressure effects with high sensitivity of 10^-11 g and the time resolution of 1 s. The launch of the satellite into the elliptic orbit (350-1450) is now in the center of attention and is envisaged for the year 2002. The authors of the project expect new results in the field of modeling the structure of the upper atmosphere (esp. its total density distribution and variations) and its dynamics (winds) as well as the data on the distribution of the radiation pressure fields (Earth albedo, infrared radiation). The paper concerns the scientific aims of the whole project and describes the proper accelerometric instrument and the satellite systems.

Citation Download Citation

Ladislav Sehnal and Radek Peresty "Satellite-based microaccelerometric measurements for atmospheric research", Proc. SPIE 4485, Optical Spectroscopic Techniques, Remote Sensing, and Instrumentation for Atmospheric and Space Research IV, (30 January 2002); https://doi.org/10.1117/12.454286

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KEYWORDS

Satellites

Earth's atmosphere

Atmospheric modeling

Data modeling

Sensors

Radiation effects

Solar radiation models

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