Physical Studies of Minor PlanetsScientific and Technical Information Office, National Aeronautics and Space Administration, 1972 - 687 Seiten " ... Some papers and discussions included in this book even though they were not presented at the meeting. In some respects, therefore, the book is independent of the colloquium. Several papers had been invited long beforehand with the request to publish them as review papers. The lack of a modern textbook on minor planets is keenly felt, and the proceedings of this meeting, with these additions, should provide a good reference book."--Page viii. |
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Seite 340
... FAMILIES AMONG NUMBERED ASTEROIDS Rejection Level Ds The degree of orbital similarity within the asteroid population is far higher than in the meteor population , and no direct inference from the meteor studies can be made as to the ...
... FAMILIES AMONG NUMBERED ASTEROIDS Rejection Level Ds The degree of orbital similarity within the asteroid population is far higher than in the meteor population , and no direct inference from the meteor studies can be made as to the ...
Seite 342
... families 1 through 4 are well represented and have very nearly the same members as in Brouwer's study . The ... families and three were rejected . The Flora group is often subdivided , after Brouwer , into four separate families , 6 ...
... families 1 through 4 are well represented and have very nearly the same members as in Brouwer's study . The ... families and three were rejected . The Flora group is often subdivided , after Brouwer , into four separate families , 6 ...
Seite 343
... families and about 30 percent of the four - member families are spurious groupings in the data . In accordance with these results , only Brouwer families 19 , 20 , 24 , 25 , and 27 are considered as statistically signifi- cant groupings ...
... families and about 30 percent of the four - member families are spurious groupings in the data . In accordance with these results , only Brouwer families 19 , 20 , 24 , 25 , and 27 are considered as statistically signifi- cant groupings ...
Inhalt
ASTROMETRIC OBSERVATIONS | 3 |
THE WORK AT THE MINOR PLANET CENTER | 9 |
DIAMETER MEASUREMENTS OF ASTEROIDS | 25 |
Urheberrecht | |
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accretion albedo Alfvén Anders Apollo Apollo 12 Apollo asteroids asteroid belt asteroid families Astron Astrophys axis brightness Brouwer Ceres chondrites collisional collisions cometary comets counterglow curve density determined diameter discussed distance Dohnanyi Dollfus Earth ecliptic effect ephemerides equation Eros families Figure flyby fragments function Gehrels Geophys gravitational heliocentric Houten Icarus impact interplanetary dust iron meteorites jetstream Jupiter km/s Kuiper launch libration lightcurve longitude lunar magnitude Mars Mars-crossing asteroids mass distribution material measurements meteor meteoroids minor planets mission Moon NASA number of asteroids numbered asteroids objects Observatory observed obtained orbital elements Pallas parent bodies particles percent perihelion perturbations phase angle phase coefficient photometric PHYSICAL STUDIES planetary planetoids polarization pole propulsion radius range rotation sample satellites scattering semimajor axis solar nebula solar system space spacecraft stream STUDIES OF MINOR surface trajectory Trojans velocity Vesta wavelength Whipple Zodiacal Light