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Rosetta Status Report - November 2006

Rosetta Status Report - November 2006

Mission StatusThe Rosetta spacecraft and its payload are in excellent health and everything is set to prepare the Mars flyby on 25 February 2007.

On 26 July the Rosetta spacecraft came out of the two-month Near Sun Hibernation Mode (NSHM). The spacecraft performance during that period was nominal. Subsequently it was reconfigured to Active Cruise Mode. Rosetta is back to two ground station passes per week, which are used for telemetry recovery and S/C maintenance operations.

Operations and Archiving

Before entering the NSHM the Solar Conjunction activities were completed on 18 May 2006, though TM/TC link was actually never permanently lost. This phase included the RSI solar corona sounding campaign from 15 March until 18 May. During NSHM RPC, the Rosetta Plasma Consortium carried out a measurement campaign in the (far) downstream tail region of comet Honda between 4 and 9 July 2006. Preliminary analysis of the data, which was presented by the team during the 21st Rosetta Science Working Team Meeting (SWTM) at ESOC, 14/15 September, indicates that the Magnetometer detected the tail. The observations are so promising that similar campaigns have been requested for future potential comet tail crossings. As usual, the Standard Radiation Monitor (SREM) has been the only payload element operated continuously and is active in background mode with accumulation parameters configured for active cruise. The first summary results from the SREM covering the first two years of the mission were presented at the last SWTM.

A Payload Passive Check-out was conducted 19-25 August and preparations have been completed for the Active Payload Check-out that will be performed from 27 November until 21 December 2006.

The next big event for Rosetta will be the Mars flyby on 25 February 2007 with the closest approach at 01:53 UTC. In preparation for this crucial mission milestone the DSN/ESA Tracking Campaign already started on 28 August. Before that two DSN delta-DOR tracks of 1-hour each were performed (DSS 24/45 and DSS 55/25) beginning of August. This was the first time that delta-DOR measurements were taken with Rosetta. The data processing performed by Flight Dynamics that the reduced delta-DOR data were of excellent quality. Before the actual Mars flyby, OSIRIS will observe Lutetia, the mission's second asteroid target in January and in April Rosetta will support a joint Jupiter observation campaign in support of NASA's New Horizon mission to Pluto.

Last Update: 1 September 2019
29-Feb-2024 05:35 UT

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