1–20 von 34 Ergebnissen
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    Smart-1 Moon Impact Operations

    Ayala, Andres / Rigger, Ralf | NTRS | 2007
    This paper describes the operations to control the Moon impact of the 3-axis stabilized spacecraft SMART-1 in September 2006. SMART-1 was ...

    First In-Orbit Experience of TerraSAR-X Flight Dynamics Operations

    Kahle, R. / Kazeminejad, B. / Kirschner, M. et al. | NTRS | 2007
    -private partnership between the German Aerospace Center (DLR) and the Astrium GmbH. TerraSAR-X was launched at June 15, 2007 on top of a Russian ...

    Mars Reconnaissance Orbiter Aerobraking Daily Operations and Collision Avoidance

    Long, Stacia M. / You, Tung-Han / Halsell, C. Allen et al. | NTRS | 2007
    spacecraft orbiting Mars and the navigation team had to minimize the possibility of a collision. This paper describes the daily operations of the MRO ...

    Flight Dynamics Performances of the MetOp A Satellite during the First Months of Operations

    Righetti, Pier Luigi / Meixner, Hilda / Sancho, Francisco et al. | NTRS | 2007
    /Fregat launcher. After only three days of LEOP operations, performed by ESOC, the satellite was handed over to EUMETSAT, who is since then taking ...

    Operations analysis for a large lunar telescope

    Thyen, Christopher | NTRS | 1992
    Consideration is given to a study of the operations and assembly of a 16-m large lunar telescope (LLT), which deals with the operations and ...
    Verlag: American Society of Civil Engineers

    Astrophysics science operations - Near-term plans and vision

    Riegler, Guenter R. | NTRS | 1991
    Astrophysics science operations planned by the Science Operations branch of NASA Astrophysics Division for the 1990s for the purpose of ...
    Verlag: American Institute of Aeronautics and Astonautics

    Navigation of space VLBI missions: Radioastron and VSOP

    Ellis, Jordan | NTRS | 1993
    In the mid-1990s, Russian and Japanese space agencies will each place into highly elliptic earth orbit a radio telescope consisting of a ...

    Human exploration of Mars - The role of a Mars outpost laboratory

    Duke, Michael B. | NTRS | 1992
    Consideration is given to a Martian exploration strategy which includes intensive robotic reconnaissance to characterize features of Mars ...
    Verlag: American Society of Civil Engineers

    Noise Reduction and Calibration for Aeroacoustic Loads from Unsteady Pressure-Sensitive Paint

    Paul Bremner / Marc A Shaw-lecerf / Jie Li et al. | NTRS
    Unsteady pressure-sensitive paint (uPSP) is a significant new technology for high spatial resolution measurement of complex dynamic surface ...
    Schlagwörter: Launch Vehicles And Launch Operations

    Energy metabolism of Macaca mulatta during spaceflight

    Hoban-Higgins, T. M. / Stein, T. P. / Dotsenko, M. A. et al. | NTRS | 2000
    The mean daily energy expenditure rates of two rhesus monkeys (Macaca mulatta) were determined during spaceflight on the joint U.S./Russian ...

    Using the SPICE system to help plan and interpret space science observations

    Acton, Charles H., Jr. | NTRS | 1993
    the Magellan, Galileo and Mars Observer missions, and to a variety of ground based operations. Adaptation of SPICE for Cassini and the Russian ...

    Pico Reentry Probes: Affordable Options for Reentry Measurements and Testing

    Ailor, William H. / Kapoor, Vinod B. / Allen, Gay A., Jr. et al. | NTRS | 2005
    space operations is returned at end-of-mission via transmission to Iridium satellites (in the case of earth-based operations) or a similar ...

    Real-time on-board orbit determination with DORIS

    Berthias, J.-P. / Jayles, C. / Pradines, D. | NTRS | 1993
    measurements to produce an orbit with an accuracy of about 50O meters rms. In order to evaluate the reliability of the software, it was combined with ...

    Low frequency astronomy from lunar orbit

    Basart, John P. / Burns, Jack O. | NTRS | 1992
    As part of preparation for establishing a permanently manned lunar outpost, a plan is proposed whereby relatively simple phased arrays of ...
    Verlag: American Society of Civil Engineers

    Lunar transit telescope lander design

    Omar, Husam A. | NTRS | 1992
    The Program Development group at NASA's Marshall Space Flight Center has been involved in studying the feasibility of placing a 16 meter ...
    Verlag: American Society of Civil Engineers

    A viscous ring damper for a freely precessing satellite.

    Bhuta, P. G. / Koval, L. R. | NTRS | 1966
    Viscous ring damper for removing wobble motion of spin-stabilized satellite analyzed by studying energy dissipation ...