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 16
... distance of 1 AU . ( The mean distance of the Earth - Moon barycenter from the Sun does not equal 1 AU , but differs from it by a very small and well - defined amount . ) Because asteroids are observed from locations on the surface of ...
... distance of 1 AU . ( The mean distance of the Earth - Moon barycenter from the Sun does not equal 1 AU , but differs from it by a very small and well - defined amount . ) Because asteroids are observed from locations on the surface of ...
Seite 183
... distance to the Sun. Whether this was really the case was not checked . This is done here : the average value of zo = a sin i has been determined as a function of a , and this value is assumed to be proportional to the average distance ...
... distance to the Sun. Whether this was really the case was not checked . This is done here : the average value of zo = a sin i has been determined as a function of a , and this value is assumed to be proportional to the average distance ...
Seite 354
... distance formula originally derived by Southworth and Hawkins ( 1963 ) to find the distances between meteor orbits . By this method they located a great number of asteroid streams ; many of them , however , have very few members ...
... distance formula originally derived by Southworth and Hawkins ( 1963 ) to find the distances between meteor orbits . By this method they located a great number of asteroid streams ; many of them , however , have very few members ...
Inhalt
ASTROMETRIC OBSERVATIONS | 3 |
THE WORK AT THE MINOR PLANET CENTER | 9 |
DIAMETER MEASUREMENTS OF ASTEROIDS 25 | 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 craters curve density determined diameter discussed distance Dohnanyi Dollfus Earth ecliptic effect equation Eros families Figure flyby fragments function Gehrels Geophys gravity 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 meteoroid 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 planetary planetoids polarization pole propulsion radius range relative rotation sample satellites scattering semimajor axis solar nebula solar system space spacecraft stream surface target telescope trajectory Trojans velocity Vesta wavelength Whipple Zodiacal Light