Launch data:
| Designation | 10855 / 78044A |
| Launch date | 11 May 1978 |
| Launch site | CC, LC-17A |
| Launch vehicle | Delta-3914 (#141) |
| Mission | Communications |
| Geostationary orbit: | |
| Location | 10°E |
OTS 2 |
Europe / ESA |
Spacecraft n°: |
ESA spacecraft n°: 13 |
Launch data:
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| Prime manufacturer | British Aerospace |
| Platform | OTS Bus |
| Operator | ESA |
| Mass at launch | 865 kg |
| Mass in orbit | 445 kg (BOL) |
| Basic shape | |
| Dimension (m) | |
| Equipment | 6 Ku-band transponders |
| Solar array | 2 deployable solar arrays |
| Stabilization | |
| Propulsion | SVM-7 |
| DC power | |
| Design lifetime |
| Out of service | Jan 1991 |