QUIKVIS computer program calculates times during orbit around Earth when geometric requirements satisfied for observing celestial objects. Observed objects fixed (e.g. stars) or moving (Sun, Moon, planets). Useful for preflight analysis by those needing information on availability of celestial objects to be observed. Performs two types of analyses: One used when specific objects known, other when targets unknown and potentially useful regions of sky must be identified. Results useful in selecting candidate targets, examining effects of observation requirements, and doing gross assessments of effects of right ascension of ascending node (RAAN) of orbit. Written in FORTRAN 77.
Computing Orbital Viewing Parameters
NASA Tech Briefs ; 14 , 1
1990-01-01
Miscellaneous
No indication
English
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