Orbital elements of RADUGA 28
| Launched | 18 December 1991 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21821 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2026 Apr 25 17:58 | 2026 Apr 14 20:36:34 | 13.4117 | 0.00034 | 22.7677 | 187.6189 | 21.1160 | 1.00319 | – |
| 2026 Apr 24 17:59 | 2026 Apr 14 20:36:34 | 13.4117 | 0.00034 | 22.7677 | 187.6189 | 21.1160 | 1.00319 | – |
| 2026 Apr 23 17:57 | 2026 Apr 14 20:36:34 | 13.4117 | 0.00034 | 22.7677 | 187.6189 | 21.1160 | 1.00319 | – |
| 2026 Apr 22 17:57 | 2026 Apr 14 20:36:34 | 13.4117 | 0.00034 | 22.7677 | 187.6189 | 21.1160 | 1.00319 | – |
| 2026 Apr 21 17:57 | 2026 Apr 14 20:36:34 | 13.4117 | 0.00034 | 22.7677 | 187.6189 | 21.1160 | 1.00319 | – |
| 2026 Apr 20 17:57 | 2026 Apr 14 20:36:34 | 13.4117 | 0.00034 | 22.7677 | 187.6189 | 21.1160 | 1.00319 | – |
| 2026 Apr 19 17:58 | 2026 Apr 14 20:36:34 | 13.4117 | 0.00034 | 22.7677 | 187.6189 | 21.1160 | 1.00319 | – |