Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Lisa Policastri"'
Publikováno v:
AIAA SPACE and Astronautics Forum and Exposition.
Autor:
Ken Galal, Lisa Policastri, Laura Plice, Brandon D. Owens, Matthew D'Ortenzio, Alan R. Crocker, David R. Hunt, Richard C. Elphic, Alisa M. Hawkins, John L. Bresina
Publikováno v:
2015 IEEE Aerospace Conference.
NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) mission was both a lunar science and a technology demonstration mission. The goals identified for LADEE were to determine the composition of the lunar atmosphere and investigate the proces
Autor:
Lisa Policastri, David J. McComas, M. Reno, Nathan A. Schwadron, Ryan Lebois, B. Hautamaki, Mark B. Tapley, John Carrico, M. Intelisano, Mike Loucks, R. Tyler, John Scherrer
Publikováno v:
Space Weather. 9
[1] NASA's Interstellar Boundary Explorer (IBEX) mission was recently maneuvered into a unique long-term stable Earth orbit, with apogee at ∼50 Earth radii (RE). The Moon's (∼65 RE) gravity disrupts most highly elliptical Earth orbits, leading to
Publikováno v:
AIAA/AAS Astrodynamics Specialist Conference.
This paper describes the orbit covariance analysis performed before and during IBEX operations to ensure that mission requirements are met. The authors describe how they calculated the orbit covariance during different mission phases, from launch thr