Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986asdy.conf..351m&link_type=abstract
IN: Astrodynamics Conference, Williamsburg, VA, August 18-20, 1986, Technical Papers (A86-47901 23-13). New York, American Insti
Astronomy and Astrophysics
Astronomy
Comet Nuclei, Computerized Simulation, Degrees Of Freedom, Penetration, Rendezvous Spacecraft, Asteroid Missions, Flight Mechanics, Impact
Scientific paper
The flight dynamics of a Penetrator probe which, as part of a Comet Rendezvous and Asteroid Flyby mission will impact a known periodic comet, possibly Hempel 2, and penetrate beneath the surface to obtain measurements, is discussed. The mission is described, including the penetrator-separation dynamics, the dynamics during initial coast and rocket thrust phase, and the final coast to impact. The effects on the results that may be caused by the comet nucleus gravity field variations, uncertainty in the spacecraft state vector, the spacecraft pointing accuracy, initial separation errors, and rocket motor thrust errors are examined.
Mascy Alfred C.
Streator J. L.
Swenson Byron L.
Wercinski Paul
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