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Federal
ASTEROID PROPER ELEMENTS V1.0
National Aeronautics and Space Administration —
Proper elements of asteroids are derived from the osculating orbital elements by correcting for the perturbations of the major planets to arrive at elements which are... -
Federal
LOWELL 72-IN IMAGES AND PHOTOM. OF 9P/TEMPEL 1 V1.0
National Aeronautics and Space Administration —
This data set contains broadband R images and derived photometry of comet 9P/Tempel 1, the target of the Deep Impact mission. Data were acquired by M. Buie at the...