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No. 161 - Mission Update

No. 161 - Mission Update

Report for Period 7 December to 13 December 2008Nominal operations were conducted during the reporting period. VIRTIS continues to be operated in the visual channels only. Time correlation was performed on DOY 344. Radio Science Investigation (RSI) occultation measurements were taken during five ground station passes in the reporting period.

The table below shows a chronology of the main activities:

MET (Day) Date DOY Main Activity
1125 07/12/08 342

Communications pass over Cebreros.
RSI occultation measurements pass over New Norcia

1126 08/12/08 343

Communications pass over Cebreros.
RSI occultation measurements pass over Canberra

1127 09/12/08 344

Communications pass over Cebreros.
RSI occultation measurements pass over New Norcia.
Time correlation performed

1128 10/12/08 345

Communications pass over Cebreros.

1129 11/12/08 346

Communications pass over Cebreros.
RSI occultation measurements pass over New Norcia

1130 12/12/08 347

Communications pass over Cebreros.

1131 13/12/08 348

Communications pass over Cebreros.
RSI occultation measurements pass over New Norcia

At the end of the last Cebreros pass in the reporting period (DOY 348) Venus Express was orbiting Venus at 137.88 million km from the Earth. The one-way signal travel time was 459.9 seconds.

Payload Activities

ASPERA
The instrument was regularly operated as part of the routine plan.

MAG
The instrument was regularly operated as part of the routine plan.

PFS
The instrument was not operated during the reporting period.

SPICAV
The instrument was regularly operated as part of the routine plan.

VeRA
RSI occultation measurements were taken during the reporting period on DOY 342, 344, 346 and 348 with the New Norcia ground station and on DOY 343 with the Canberra ground station.

VIRTIS
The instrument was regularly operated as part of the routine plan.
VIRTIS is operated in the visual channels only.

VMC
The instrument was regularly operated as part of the routine plan.

Future Milestones

  • High gain antenna (HGA1) S-band carrier power test is planned for 15 December 2008
  • High gain antenna (HGA) swap from HGA1 to HGA2 on 13 January 2009
  • Next quadrature phase will start on 19 December 2008 and will end on 25 January 2009

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This report is based on the ESOC mission operations report, MOR #161. Please see the copyright section of the legal disclaimer (bottom of this page) for terms of use.

Last Update: 1 September 2019
5-Jul-2020 11:43 UT

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