ESP mounting on the final panel
Enabling & Support

Entry 15: Last bolts tightened on Proba-2

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ESA / Enabling & Support / Space Engineering & Technology / Proba Missions

Monday 12th & Tuesday 13th October – The main focus of these two days is preparing Proba-2 for mating onto the Rockot Adapter System, which holds the spacecraft in place during its flight to orbit.

Activities include final integration and connection of the flight battery followed by a final functional electrical checkout of the entire spacecraft. As part of this test the team fully charges the battery up to its operational capacity.

Proba-2 ready for Joint Operations with Rockot Launcher authorities
Proba-2 ready for Joint Operations with Rockot Launcher authorities

These activities are then followed by arming the propulsion system as well as the release mechanisms for Proba-2's folded-up solar panels. Finally the very last spacecraft panel is mounted in place, then the Experimental Solar Panel (ESP) payload, which incorporates a test solar flux concentrator. This is an emotional moment for the Proba-2 launch team because it involves the very last bolts being torqued and locked onto the satellite.

The team are now ready for further joint operations with the Khrunichev and military launcher authorities. Effective teamwork has put them a day ahead of the planned schedule.

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Proba-2, final checks
Enabling & Support

Entry 1: Belgium says goodbye to Proba-2

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Loading of Proba-2 container in cargo plane at Brussels airport
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Entry 2: Proba-2's journey to Plesetsk

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Transport of Proba-2 container to the MIK
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Entry 3: Unpacking after the trip

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Opening of the Proba-2 satellite container in the cleanroom
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Entry 4: Proba-2 unloaded and ready for inspection

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Hoisting of satellite from its container and assembly of integration dolly
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Entry 5: Proba-2 powered up

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Inspection of Proba-2 internal compartments
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Entry 6: End-to-end testing

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Filling of the propulsion tank with xeon
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Entry 7: Filling Proba-2 up with xenon

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Mounting of the first deployable solar panel
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Entry 8: Proba-2 gains a solar panel

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Mounting of solar panel
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Entry 9: Proba-2 gains its second ‘wing’

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Proba-2 with solar panels mounted
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Entry 10: Completing Proba-2

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Proba-2 final full functional test
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Entry 11: Putting Proba-2 to the test

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Proba-2 launch team group picture at the museum
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Entry 12: Checking launch tower links

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Proba-2 back in its storage container in the cleanroom
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Entry 13: Letting SMOS take its turn

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Proba-2 team arrival at Plesetsk Cosmodrome
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Entry 14: Second phase of Proba-2 launch campaign begins

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ESP mounting on the final panel
Enabling & Support

Entry 15: Last bolts tightened on Proba-2

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Proba-2
Enabling & Support

Entry 16: A short journey off the ground – Proba-2 mated to…

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Proba-2 in its final launch position, on top of Breeze
Enabling & Support

Entry 17: Proba-2 mated onto Breeze upper stage

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Removal of Proba-2 protective covers
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Entry 18: Encapsulated, Proba-2 vanishes from view forever

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Encapsulation
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Entry 19: Proba-2 in place and powered up

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SMOS, Proba-2 and Khrunichev teams
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Entry 20: Rail ride to the launch pad

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Joined dress rehearsal of Proba-2 and SMOS in MCC
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Entry 21: Far-flung dress rehearsal for launch

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