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    No. 113 - Near Sun Hibernation Mode

    07 May 2009 11:40

    Report for Period 4 April to 1 May 2009

    The reporting period covers the first four weeks of the passive cruise phase #6, which started on 2 April. During this phase the Rosetta spacecraft is configured in Near Sun Hibernation Mode (NSHM) and will remain so until beginning of September. During the reporting period the performance of the spacecraft and the ground segment have been nominal.

    Mission operations have been conducted with support of the ESA New Norcia (NNO) ground station.

    DOY Date Pass Main Activity
    097 07/04/08 NNO 1867

    NSHM monitoring

    104 14/04/09 NNO 1874

    NSHM monitoring

    105 15/04/09 NNO 1875

    NSHM monitoring

    111 21/04/09 NNO 1881

    NSHM monitoring

    114 24/04/09 NNO 1884

    NSHM monitoring

    119 29/04/09 NNO 1889

    NSHM monitoring

    At the end of the reporting period (DoY 121) Rosetta was at 327.6 million km from Earth (2.18 AU) and the one-way signal travel time was 1093 seconds. The distance to the Sun was 304.5 million km (2.03 AU).

    Spacecraft

    Payload
    All instruments are now switched OFF, except for the Standard Radiation Environment Monitor (SREM) that continues to run in the background.

    ALICE
    The instrument is OFF.

    CONSERT
    The instrument is OFF.

    COSIMA
    The instrument is OFF.

    GIADA
    The instrument is OFF.

    MIDAS
    The instrument is OFF.

    MIRO
    The instrument is OFF.

    OSIRIS
    The instrument is OFF.

    ROSINA
    The instrument is OFF.

    RPC
    The instrument is OFF.

    RSI
    The instrument is muted.

    VIRTIS
    The instrument is OFF.

    LANDER Philae
    The instrument is OFF.

    SREM
    Since DoY 091/2009 the accumulation settings are configured for passive cruise mode.

    Future Milestones

    The current passive cruise phase will continue until beginning of September when the spacecraft will be reconfigured in active cruise mode in preparation of the Earth swing-by 3 phase.


    ---
    Legal disclaimer
    This report is based on the ESOC mission operations report, WOR #113. Please see the copyright section of the legal disclaimer (bottom of this page) for terms of use.


    Last Update: 03 Jun 2009

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