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.


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    Title :

    Orbit Control for a Regional Navigation System Based on Tundra Orbit


    Contributors:
    G. Rondinelli (author) / A. Cramarossa (author) / L. Caporicci (author) / F. Graziani (author)

    Publication date :

    1989


    Size :

    12 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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