Spacecraft information: COSMOS 1266 COOLANT
| Launched | 20 April 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 29203 |
| COSPAR ID | 1981-037E |
| Observing |
Current orbital elements
| Inclination | 64.763° |
| Eccentricity | 0.00508 |
| RA ascending node | 0.971 hr |
| Argument perigee | 275.757° |
| Mean anomaly | 83.770° |
| Orbital period | 103.442 min |
| Epoch of osculation | 12 May 2026, 22:51 |
Derived Quantities
| Min Altitude | 891.4 km |
| Mean Altitude | 928.5 km |
| Peak Altitude | 965.5 km |
Orbital History
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