Kosmos 1686
| Use attributes for filter ! | |
| Launch date | September 27, 1985 |
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| Mass | 20,000 kg |
| Orbital period | 1. 5 hours |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2097177 |
About Kosmos 1686
Kosmos 1686, also known as TKS-4, was a heavily modified TKS spacecraft which docked unmanned to the Soviet space station Salyut 7 as part of tests to attach scientific expansion modules to stations in Earth orbit.
