Flight
- Date and time (UTC)
- March 21, 1985, 00:08
- Launch designation
- 1985-023
- Mission
- Strela-1M
- Flight name
- Kosmos-1635/1642
- Vehicle flight ID
- 53734-134
- Year
- Launches in 1985
Orbit and payload
- Initial apogee
- 1,715 km
- Payload mass to orbit
- 0.480 t
- Payloads
- 8
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-1635 | 1985-023ANORAD 15617 | Main Space Forces Directorate | Communications | 60 kg | In orbit |
| Kosmos-1636 | 1985-023BNORAD 15618 | Main Space Forces Directorate | Communications | 60 kg | In orbit |
| Kosmos-1637 | 1985-023CNORAD 15619 | Main Space Forces Directorate | Communications | 60 kg | In orbit |
| Kosmos-1638 | 1985-023DNORAD 15620 | Main Space Forces Directorate | Communications | 60 kg | In orbit |
| Kosmos-1639 | 1985-023ENORAD 15621 | Main Space Forces Directorate | Communications | 60 kg | In orbit |
| Kosmos-1640 | 1985-023FNORAD 15622 | Main Space Forces Directorate | Communications | 60 kg | In orbit |
| Kosmos-1641 | 1985-023GNORAD 15623 | Main Space Forces Directorate | Communications | 60 kg | In orbit |
| Kosmos-1642 | 1985-023HNORAD 15624 | Main Space Forces Directorate | Communications | 60 kg | In orbit |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.