ATV-4 mission report 12 July

Last Friday’s ATV mission update from ATV-CC reports that the Albert Einstein mission continues as planned. All 2489kg of dry cargo has been transferred to the ISS, and already 1213kg of trash has been accepted for disposal when ATV re-enters later this autumn.

The next planned ATV support to the ISS includes the first propellent transfer on 1 August followed by O2 transfer the next day.

GENERAL STATUS

  • All nominal
  • Successful ISS reboost

All four main OCS thrusters available.

  • All ATV dry cargo transferred to ISS

ATV STATUS

  • Attached dormant mode

ATV-CC STATUS and ATV GROUND SEGMENT

  • All ATV-CC systems nominal
  • ATV monitoring and routine attached activities

CARGO and FUEL STATUS

  • Dry cargo: initial 2 489kg, all transferred (100%)
  • Accepted trash: 1213kg
  • Water: 565kg. no transfer so far
  • Oxygen (2 tanks): 66.3kg. no transfer so far
  • Air (1 tank): 33.3kg. no transfer so far
  • Propellant: used 1108kg, available for ISS support: 2 332kg
  • Refuelling propellant: 860kg. no transfer so far

EXECUTED OPERATIONS

  • 10 July : First ATV4 Reboost 1.45 m/sec

NEXT OPERATIONS. MAIN ACTIVITIES

  • 25 July : 50P undocking (no ATV prop support)
  • 27-28 July : 52P docking (no ATV prop support). bu 29-30July
  • 31 July : RFS tanks pressurisation
  • 01 August: Propellant transfer
  • 02 August: First O2 transfer (tbc)
  • 05 August: RFS Purging and vacuuming
  • 06 August: Second vacuuming of the oxidizer lines
  • 09 August: HTV4 berthing
  • 09 August: O2 repressurisation (tbc)
  • 14 August: ATV4 reboost (placeholder)
  • 14-22 August : ATV hatch closed (EVA)
  • 23 August : O2 repressurisation (tbc)
  • 28 August: ATV4 reboost placeholder
  • 04 September: HTV4 unberthing

Leave a Reply

Your email address will not be published. Required fields are marked *

 

Comment moderation is enabled. Your comment may take some time to appear.