Kosmos 613
| Mission type | Test flight |
|---|---|
| COSPAR ID | 1973-096A |
| SATCAT no. | 6957 |
| Mission duration | 60 days |
| Spacecraft properties | |
| Spacecraft | Soyuz 7K-T No.34A |
| Manufacturer | NPO Energia |
| Start of mission | |
| Launch date | 30 November 1973, 05:20:00 UTC |
| Rocket | Soyuz |
| Launch site | Baikonur 1/5 |
| End of mission | |
| Landing date | 29 January 1974, 05:29 UTC |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 251 kilometres (156 mi) |
| Apogee altitude | 383 kilometres (238 mi) |
| Inclination | 51.5 degrees |
| Period | 90.86 minutes |
| Epoch | 31 December 1973 |
Kosmos 613 (Russian: Космос 613 meaning Cosmos 613) was a long-duration orbital storage test of the Soyuz Ferry in preparation for long stays attached to a space station.