# file01.txt # # Reference: # # John Hartigan, # Clustering Algorithms, # Wiley, 1975. # ISBN 0-471-35645-X # LC: QA278.H36 # Dewey: 519.5'3 # # Some minor planets may have been sighted more than once. In the # table, sightings thought to be of the same planet are listed # together. # # Name is the year of sighting and the initials of the astronomer. # # Node is the angle, in the earth's plane of orbit, at which the # minor planet crosses the earth's orbit. # # Inclination is the angle between the orbits of the earth and # the minor planet. # # Axis is the maximum distance between the minor planet and the # sun, divided by the corresponding quantity for the earth. # "Sightings of Minor Planets, Hartigan page 2" 5 columns 19 rows