Artificial Earth Satellites crossing the fields of view of, and colliding with, orbiting space telescopes

Details Artificial Earth Satellites crossing the fields of view of, and colliding with, orbiting space telescopes Artificial Earth Satellites crossing the fields of view of, and colliding with, orbiting space telescopes

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pasp...98..814s&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 98, Aug. 1986, p. 814-820.

Astronomy and Astrophysics

Astronomy

7

Artificial Satellites, Field Of View, Hubble Space Telescope, Interference, Satellite Guidance, Collisions, Computerized Simulation, Crossings, Monte Carlo Method, Spaceborne Astronomy

Scientific paper

Predictions of possible interference and damage caused to future space telescopes by Artificial Earth Satellites (AES), including Monte Carlo simulations of AES angular velocities and separations, and the impact of these phenomena on the design of both the instruments and their guidance systems, are considered. Calculations suggest that AES will cross the field of view of the Hubble Space Telescope (HST) with significant frequencies and brightnesses, and firmware changes in the Fine Guidance Sensors have been implemented. The brightest, slowest-moving AES is likely to degrade or damage Faint Object Spectrograph red-sensitive image-tube photocathodes once in a five-year mission. AES will degrade a few percent of Faint Object Camera frames and streak many Wide-Field and Planetary Camera frames. HST will likely be hit by a 5-mm AES fragment, and has a 1 percent chance of being destroyed by a 110-cm fragment, during a 17-year mission. Placing space telescopes in geosynchronous orbit is suggested.

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