Results of investigation on the control of satellites in tundra orbits are given. Maneuvers to preserve satellite subtracks in terms of longitude and synchronism and to maintain constellation geometry in a regional bidimensional autonomous navigation service were addressed. Analyses performed are referred to a satellite lifetime 7 years. The subtrack longitude is noted to be perfectly maintained within one degree of tolerance, and an advance of the apogee passage is experienced in both satellites. Necessary delta-v and propellant mass are reported. A fuel saving allows increasing of the satellite payload configuration or design and development of small low cost satellites to be employed in navigation services.
Orbit Control for a Regional Navigation System Based on Tundra Orbit
1989
12 pages
Report
Keine Angabe
Englisch
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