| Mission type | Aeronomy, Astrophysics |
|---|---|
| Operator | OHB Sweden, former part ofSSC Funded bySNSB,TEKES,CSA,CNES |
| COSPAR ID | 2001-007A |
| SATCATno. | 26702 |
| Website | www |
| Mission duration | Elapsed: 24 years, 11 months and 27 days |
| Spacecraft properties | |
| Manufacturer | Swedish Space Corporation |
| Dry mass | 250 kg (550 lb) |
| Power | 340.0 watts |
| Start of mission | |
| Launch date | 20 February 2001, 08:48:27 (2001-02-20UTC08:48:27Z) UTC |
| Rocket | Start-1 |
| Launch site | Svobodny5 |
| Contractor | United Start |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 622 km (386 mi) |
| Apogee altitude | 622 km (386 mi) |
| Inclination | 97.83° |
| Period | 97.60 minutes |
Odin is a Swedishsatellite working in two disciplines:astrophysics andaeronomy. It was named afterOdin ofNorse mythology. Within the field of astrophysics, Odin was used until the spring of 2007 aiding in the study ofstar formation. Odin is still used for aeronomical observations, including exploration of thedepletion of the ozone layer andeffects of global warming.The satellite is still functioning nominally (June 2025) and is expected to deorbit in 2026.[1]
The main instrument on Odin is aradiometer using a 1.1 m telescope, designed to be used for both the astronomy and aeronomy missions. The radiometer works at 486–580 GHz and at 119 GHz. The second instrument on board is theOSIRIS (Optical Spectrograph and InfraRed Imager System).[2]
Odin was developed by the Space Systems Division ofSwedish Space Corporation (nowOHB Sweden) as part of an international project involving the space agencies of Sweden (SNSB), Finland (TEKES), Canada (CSA) and France (CNES). Odin was launched on aSTART-1 rocket on 20 February 2001 fromSvobodny,Russia.[2]
In April 2007, astronomers announced that Odin had made the first ever detection of molecularoxygen (O
2) in interstellar clouds.[3][4] The operator announced in 2025 that the satellite is expected to burn up in the atmosphere in the second quarter of 2026 and is expected to be operational until then, outliving the expected two year lifetime by 23 years.[1]
International partners:[5]
Agencies or organizations involved in Odin:[5]
Objectives:[5]
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