| Mission type | Science |
|---|---|
| Operator | BSA |
| COSPAR ID | 1981-075A |
| SATCAT no. | 12645 |
| Mission duration | 34 years, 7 months and 12 days (achieved) |
| Spacecraft properties | |
| Manufacturer | BAC BAS SSA[1] |
| Launch mass | 1,500 kilograms (3,300 lb) |
| Start of mission | |
| Launch date | 7 August 1981, 13:35 UTC |
| Rocket | Vostok-2M |
| Launch site | Plesetsk 43/3 |
| End of mission | |
| Last contact | March 20, 2016 |
| Decay date | 2550 (planned) |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 792 kilometres (492 mi) |
| Apogee altitude | 883 kilometres (549 mi) |
| Inclination | 81.2 degrees |
| Period | 101.6 |
| Epoch | Epoch start: 1981-08-06 20:00:00 UTC |
Interkosmos 22, more commonly known as Bulgaria 1300 (Bulgarian: Интеркосмос 22-България 1300), was Bulgaria's first artificial satellite.
It was named after the 1300th anniversary of the foundation of the Bulgarian state. It was designed to study the ionosphere and magnetosphere of the Earth.[2]
- ^ "Intercosmos 22 (Bulgaria 1300)". n2yo.com. Retrieved 20 February 2023.
- ^ Serafimov, K.; Chapkanov, S.; Gogoshev, M.; Kutiev, I.; Gousheva, M.; Ivanova, T.; Petkov, N.; Samardjiev, T.; Sargoichev, S.; Balebanov, V.; Podgorni, I. (1983). "First results of the Bulgaria-1300". Acta Astronautica. 10 (5–6). Elsevier: 263–268. doi:10.1016/0094-5765(83)90075-9.