Spacecraft information: COSMOS 1816
| Launched | 28 January 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 17359 |
| COSPAR ID | 1987-009A |
| Observing |
Current orbital elements
| Inclination | 82.924° |
| Eccentricity | 0.00337 |
| RA ascending node | 23.958 hr |
| Argument perigee | 114.448° |
| Mean anomaly | 359.005° |
| Orbital period | 104.754 min |
| Epoch of osculation | 20 Jul 2026, 22:50 |
Derived Quantities
| Min Altitude | 965.2 km |
| Mean Altitude | 990.1 km |
| Peak Altitude | 1014.9 km |
Launched alongside
SL-8 R/BOrbital History
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