Closed
PHASE A OF AETOS (ATTITUDE ESTIMATION FOR ON-ORBIT SERVICING) MISSION - EXPRO+
This call closed on 2026-04-27. Most European programmes run recurring cycles — track the next one in VIRA.
| Reference | AO-1-13275 |
|---|---|
| Source programme | esa |
| Type | tender |
| Segment | Open Competition |
| Status | closed |
| Closing date | 2026-04-27 |
| Indicative budget | 200-500 KEURO |
| Last updated | 2026-04-14 |
What this call is about
This activity aims to reach a preliminary design for a mission demonstrating acquisition of light curves for large defunct satellites and rocket-bodies in low-Earth orbit to determine their inertial attitude state and rotation rate.
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Get deadline alerts →Frequently asked
When is the deadline for AO-1-13275?
The listed closing date is 2026-04-27. Always verify on the official programme page — deadlines can shift.
How do I check if my startup is eligible?
Eligibility depends on country, entity type, team size and technology readiness (TRL). VIRA.space (Virtual Innovation Research Assistant) runs a free structured eligibility check against the full call requirements — this page shows only a teaser summary.
Where is the official call published?
The authoritative source is the issuing programme's portal: official call page. VIRA links every tracked tender back to its origin.
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