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No. 132 - Mission Operations Update

No. 132 - Mission Operations Update

Report for Period 27 March to 16 April 2010The reporting period covers three weeks of Rosetta mission operations. Few instrument tests were performed in preparation of the active payload check-out (PC12), which will start in the next reporting period. The MIRO instrument was activated on 6 April for a validation of new on-board control procedures (OBCP) that apply a software patch. The ultra-stable oscillator (USO) of the Radio Science Investigation (RSI) was un-muted for a short period of time on 14 April.

During the reporting period, mission operations have been conducted with support of the ESA New Norcia (NNO) ground station.

DOY Date Pass Main Activity
088 29/03/10 NNO 2224

Monitoring pass

096 06/04/10 NNO 2232

MIRO patch OBCP validation

120 12/04/10

NNO 2238

Monitoring pass

104 14/04/10

NNO 2240

RSI PC12

106 16/04/10

NNO 2242

Monitoring pass

DOY = Day of year

At the end of the reporting period (DOY 106) Rosetta was at 202.7 million km from Earth (1.35 AU) and the one-way signal travel time was 676 seconds. The distance to the Sun was 303.6 million km (2.024 AU).

Spacecraft

Payload

ALICE
The instrument is currently OFF.

CONSERT
The instrument is currently OFF.

COSIMA
The instrument is currently OFF.

GIADA
The instrument is currently OFF.

MIDAS
The instrument is currently OFF.

MIRO
The instrument is currently OFF. The instrument was activated on DOY 096 for a validation of the new OBCP applying a software patch.

OSIRIS
The instrument is currently OFF.

ROSINA
The instrument is currently OFF.

RPC
The instrument is currently OFF.

RSI
The ultra-stable oscillator is ON/muted since DOY 032/2010. The USO was unmuted for a short period of time on DOY 104.

VIRTIS
The instrument is currently OFF.

LANDER Philae
The instrument is currently OFF.

SREM
The instrument is ON with standard settings since DOY 032/2010.

Future Milestones

The last active payload check-out (PC12) will start during the next reporting period and will last for four weeks. Mission operations will be dedicated to the final tuning of the instruments in preparation for the flyby of asteroid Lutetia in July 2010 and for the deep space hibernation.

The navigation campaign for the Lutetia flyby will begin at the end of May 2010.

Rosetta continues cruising towards asteroid Lutetia. The Rosetta spacecraft is configured in normal mode, in which it will nominally remain until the deep space hibernation entry in June 2011.


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Legal disclaimer
This report is based on the ESOC mission operations report, WOR #132. Please see the copyright section of the legal disclaimer (bottom of this page) for terms of use.

Last Update: 1 September 2019
20-Sep-2020 18:15 UT

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