Spacecraft information: COSMOS 304
| Launched | 20 October 1969 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 4138 |
| COSPAR ID | 1969-091A |
| Observing |
Current orbital elements
| Inclination | 74.039° |
| Eccentricity | 0.00140 |
| RA ascending node | 14.711 hr |
| Argument perigee | 271.500° |
| Mean anomaly | 88.455° |
| Orbital period | 99.555 min |
| Epoch of osculation | 12 Dec 2025, 02:49 |
Derived Quantities
| Min Altitude | 734.4 km |
| Mean Altitude | 744.4 km |
| Peak Altitude | 754.4 km |
Launched alongside
SL-8 R/BOrbital History
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