ALTIUS BISA logo
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| Mission type | Earth Observation |
|---|---|
| Operator | European Space Agency |
| Mission duration | >3 years (design lifetime) |
| Spacecraft properties | |
| Spacecraft | ALTIUS |
| Bus | PROBA |
| Manufacturer | QinetiQ Space |
| Launch mass | 266 kilograms (586 lb)[1] |
| Dry mass | 254 kilograms (560 lb)[1] |
| Start of mission | |
| Launch date | 2026 (2026) (planned)[2] |
| Rocket | Vega-C |
| Launch site | Kourou ELV |
| Contractor | Arianespace |
| Orbital parameters | |
| Reference system | Sun-synchronous orbit |
| Regime | Low Earth |
| Altitude | ≈668 km[1] |
| Repeat interval | 3 days[1] |
| Main payload | |
| Name | ALTIUS instrument |
| Type | Multi-channel tuneable spectral imager |
| Wavelengths | UV: 250-355 nm (tuneable) VIS: 440-675 nm (tuneable) NIR 600-1020 nm (tuneable)[1] |
| Resolution | 1 to 3 km (vertically)[1] |
 ALTIUS mission logo | |
ALTIUS (Atmospheric Limb Tracker for Investigation of the Upcoming Stratosphere) is a satellite mission proposed by the Belgian Institute for Space Aeronomy and currently under development by the European Space Agency.[3][4][5] Its main objective is to monitor the distribution and evolution of stratospheric ozone in the Earth's atmosphere. The industrial consortium is led by QinetiQ Space, acting as mission prime.[6][4] The satellite design is based on the PROBA small satellite bus.[3] The payload, developed by OIP Sensor Systems, is an innovative UV, visible and NIR instrument.[7]
The mission is scheduled for launch in 2026 from the Guiana Space Centre.[2]
ALTIUS: Develop and operate a small mission dedicated to the operational monitoring of stratospheric ozone profiles.
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