Optical orbital debris spotter |
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Authors: | Christoph R Englert J Timothy Bays Kenneth D Marr Charles M Brown Andrew C Nicholas Theodore T Finne |
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Institution: | 1. Naval Research Laboratory, Space Science Division, Geospace Science and Technology Branch, 4555 Overlook Avenue, SW, Washington, DC 20375, USA;2. Office of Naval Research-Reserve Component, 875N. Randolph Street, Arlington, VA 22203, USA;3. NRC Associate in residence at Naval Research Laboratory, Space Science Division, Washington, DC 20375, USA |
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Abstract: | The number of man-made debris objects orbiting the Earth, or orbital debris, is alarmingly increasing, resulting in the increased probability of degradation, damage, or destruction of operating spacecraft. In part, small objects (<10 cm) in Low Earth Orbit (LEO) are of concern because they are abundant and difficult to track or even to detect on a routine basis. Due to the increasing debris population it is reasonable to assume that improved capabilities for on-orbit damage attribution, in addition to increased capabilities to detect and track small objects are needed. Here we present a sensor concept to detect small debris with sizes between approximately 1.0 and 0.01 cm in the vicinity of a host spacecraft for near real time damage attribution and characterization of dense debris fields and potentially to provide additional data to existing debris models. |
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Keywords: | ASAT Anti-satellite Test CCD charge-coupled device FOV field-of-view ISS International Space Station LDEF Long-Duration Exposure Facility LEO Low Earth Orbit S/C spacecraft SSN Space Surveillance Network |
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