COSMOS 1890
| Launched | 9 October 1987 |
| Flight ended | 25 December 1988 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18396 |
| COSPAR ID | 1987-086A |
| Observing |
Launched alongside
SL-11 R/B