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No. 31 - Start of Last Lander Commissioning Block

No. 31 - Start of Last Lander Commissioning Block

Report for week 1 to 8 October 2004During the reporting period, the Pointing Scenario part 2 was completed and the last Lander commissioning block started.

On 1 October, the last nominal observation of the Pointing scenario was executed, involving the Orbiter and Lander CONSERT instruments. On 4 October, ALICE observation 20 was repeated (see also: Status Report No. 30). The instrument had provided an incorrect boresight definition for the previous execution of this observation and missed the target star in the measurements. Both observations were executed outside coverage. The data were dumped during the next New Norcia pass. One RPC observation remains to be repeated. It is scheduled for 10 October.

On 5 October, Lander commissioning operations resumed. Up to now, all objectives have been successfully met. During the last Lander pass of the reporting period, ROMAP power consumption was observed to be higher than expected. The Lander Science Operations Center reported that the ROMAP Penning hardware (used for pressure measurements) appears to be non-operational at the moment. Investigations are ongoing.

Full daily passes over the New Norcia station were taken throughout the week. In addition, a short DSN pass was taken on 7 October.

The table below shows a chronology of the main activities in the reporting period:

Mission Day

Date

DOY

Main Activity

214

01/02.10.04

275/276 Pointing: observation 1

215

02/03.10.04

276/277 Monitoring and data dump

216

03/04.10.04

277/278 Monitoring and data dump

217

04/05.10.04

278/279 Pointing: observation 20bis

218

05/06.10.04

279/280 Lander CVP Block 4

219

06/07.10.04

280/281 Lander CVP Block 4

220

07/08.10.04

281/282 Lander CVP Block 4

At the end of the last New Norcia pass in the reporting period (DOY 282) Rosetta was at 68.7 million km from the Earth. The one-way signal travel time was 3 minutes 49 seconds.

Last Update: 1 September 2019
27-Feb-2024 10:27 UT

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