Trajectories and orbits from the NASA-NMSU meteor observatory. I

Details Trajectories and orbits from the NASA-NMSU meteor observatory. I Trajectories and orbits from the NASA-NMSU meteor observatory. I

Nov 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976aj.....81.1010t&link_type=abstract

Astronomical Journal, vol. 81, Nov. 1976, p. 1010-1013.

Astronomy and Astrophysics

Astronomy

5

Geminid Meteoroids, Orbital Elements, Sporadic Meteoroids, Trajectory Analysis, Astronomical Catalogs, Astronomical Observatories, Nasa Programs, Orbit Calculation, Statistical Analysis

Scientific paper

Reduced trajectory data and orbital elements are reported for 20 double-station meteors photographed at the NASA-NMSU meteor observatory during the winter of 1974/75. The objects photographed include 10 sporadic meteors and 10 members of the Geminid shower. The data for the sporadic meteors indicate that their magnitudes range from 0 to -4, all have eccentricities greater than 0.4, all but three are in direct orbits, and one is probably a member of the Coma Berenicid shower. The elements for the Geminids are obtained using times of appearance chosen by adopting 34.6 km/s as the heliocentric velocity of the shower. The results are compared with previous orbital determinations, and it is concluded that there is no evidence for significant evolution of the Geminid-stream orbit over a period of several decades.

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