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| Mission type | Earth observation |
|---|---|
| COSPAR ID | 1986-019B |
| SATCAT no. | 16614 |
| Mission duration | 1 year, 2 months and 20 days |
| Start of mission | |
| Launch date | 22 February 1986 |
| Rocket | Ariane 1 |
| Launch site | Guiana Space Centre |
| Entered service | 22 February 1986 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Polar |
| Semi-major axis | 13,550 km (8,420 mi) |
| Eccentricity | 0.0001538 |
| Perigee altitude | 801 km (498 mi) |
| Apogee altitude | 13,538 km (8,412 mi) |
| Inclination | 98.7863° |
| Period | 261.56 minutes |
| Epoch | 15 April 2019, 18:22:45[1] |
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Viking was Sweden's first satellite. It was launched on an Ariane 1 rocket as a piggyback payload together with the French satellite SPOT 1, on February 22, 1986.[2] Operations ended on May 12, 1987. Viking was used to explore plasma processes in the magnetosphere and the ionosphere.[3]
- ^ "Viking - Orbit". Heavens-Above. 15 April 2019. Retrieved 16 April 2019.
- ^ "Ariane 1 SPOT-1 & Viking Launch". NextSpaceflight.com. Retrieved January 28, 2023.
- ^ Krebs, Gunter D. "Viking". Gunter's Space Page. Retrieved January 29, 2023.