An overview of the Solar, Anomalous, and Magnetospheric Particle Explorer (SAMPEX) mission

Details An overview of the Solar, Anomalous, and Magnetospheric Particle Explorer (SAMPEX) mission An overview of the Solar, Anomalous, and Magnetospheric Particle Explorer (SAMPEX) mission

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993itgrs..31..531b&link_type=abstract

IEEE Transactions on Geoscience and Remote Sensing (ISSN 0196-2892), vol. 31, no. 3, p. 531-541.

Computer Science

99

Cosmic Rays, Nasa Space Programs, Satellite-Borne Instruments, Space Exploration, Spacecraft Configurations, Data Acquisition, Mission Planning, Particle Precipitation, Spacecraft Design

Scientific paper

The scientific objective of the NASA Small-class Explorer Mission SAMPEX is summarized. A brief history of the Small Explorer program is provided along with a description of the SAMPEX project development and structure. The spacecraft and scientific instrument configuration is presented. The orbit of SAMPEX has an altitude of 520 by 670 km and an 82 deg inclination. Maximum possible power is provided by articulated solar arrays that point continuously toward the sun. Highly sensitive science instruments point generally toward the local zenith, especially over the terrestrial poles, in order to measure optimally the galactic and solar cosmic ray flux. Energetic magnetospheric particle precipitation is monitored at lower geomagnetic latitudes. The spacecraft uses several innovative approaches including an optical fiber bus, powerful onboard computers, and large solid state memories (instead of tape recorders). Spacecraft communication and data acquisition are discussed, and the space- and ground-segment data flows are summarized. A mission lifetime of 3 years is sought with the goal of extending data acquisition over an even longer portion of the 11-year solar activity cycle.

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