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Keyhole
An area in the sky where an antenna cannot track a spacecraft because the required angular rates would be too high. Mechanical limitations may also contribute to keyhole size. Discussed in depth under Chapter 2.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Aerospace
- Category: Space flight
- Company: NASA
- Product:
- Acronym-Abbreviation:
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