caa a22 4500 445863005 CHVBK 20180317145449.0 cr unu---uuuuu 170323e20110301xx s 000 0 eng 10.1007/s10569-010-9323-1 doi (NATIONALLICENCE)springer-10.1007/s10569-010-9323-1 Eggl Siegfried Institute for Astronomy, University of Vienna, Türkenschanzstr. 17, 1180, Wien, Austria aut Refinement of Near Earth Asteroids' orbital elements via simultaneous measurements by two observers [Elektronische Daten] [Siegfried Eggl] The aspects of triangulation of Near Earth Asteroids by two arbitrarily positioned observers (one spaceborne and the other Earth-bound, as well as both spaceborne) are being investigated, and the resulting orbital elements are compared to those gained through common orbital determination and refinement techniques. The main advantages of the method proposed in this work are, that given the approximate position of an asteroid, high quality orbital elements can be acquired very rapidly using two observations only. Springer Science+Business Media B.V., 2010 Orbit determination nationallicence Orbit refinement nationallicence Near Earth Asteroids (NEAs) nationallicence Orbital elements nationallicence Triangulation nationallicence Very short arc observations nationallicence Space observations nationallicence Celestial Mechanics and Dynamical Astronomy Springer Netherlands 109/3(2011-03-01), 211-228 0923-2958 109:3<211 2011 109 10569 https://doi.org/10.1007/s10569-010-9323-1 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10569-010-9323-1 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Eggl Siegfried Institute for Astronomy, University of Vienna, Türkenschanzstr. 17, 1180, Wien, Austria aut NATIONALLICENCE 773 0- Celestial Mechanics and Dynamical Astronomy Springer Netherlands 109/3(2011-03-01), 211-228 0923-2958 109:3<211 2011 109 10569 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer