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 Feb 05 18:58 | 2026 Feb 05 11:46:38 | 13.4606 | 0.00040 | 22.8006 | 206.1384 | 154.9061 | 1.00286 | – |
| 2026 Feb 04 18:57 | 2026 Feb 03 11:51:02 | 13.4621 | 0.00041 | 22.8015 | 206.2961 | 154.9061 | 1.00286 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 23:52:03 | 13.4624 | 0.00041 | 22.8018 | 206.0990 | 154.9061 | 1.00286 | – |
| 2026 Feb 02 18:56 | 2026 Feb 01 23:54:06 | 13.4631 | 0.00041 | 22.8023 | 205.9168 | 154.9061 | 1.00286 | – |
| 2026 Feb 01 18:56 | 2026 Jan 30 23:58:19 | 13.4646 | 0.00041 | 22.8032 | 205.9181 | 154.9061 | 1.00286 | – |
| 2026 Jan 31 18:56 | 2026 Jan 30 23:58:19 | 13.4646 | 0.00041 | 22.8032 | 205.9181 | 154.9061 | 1.00286 | – |
| 2026 Jan 30 18:57 | 2026 Jan 29 23:41:38 | 13.4654 | 0.00041 | 22.8038 | 206.0641 | 154.9061 | 1.00286 | – |
| 2026 Jan 29 18:56 | 2026 Jan 28 00:10:05 | 13.4669 | 0.00041 | 22.8047 | 206.4137 | 154.9061 | 1.00286 | – |
| 2026 Jan 28 18:56 | 2026 Jan 27 00:06:46 | 13.4677 | 0.00041 | 22.8052 | 206.6516 | 154.9061 | 1.00286 | – |
| 2026 Jan 27 18:56 | 2026 Jan 27 00:06:46 | 13.4677 | 0.00041 | 22.8052 | 206.6516 | 154.9061 | 1.00286 | – |
| 2026 Jan 26 18:57 | 2026 Jan 26 00:08:55 | 13.4684 | 0.00042 | 22.8057 | 206.9334 | 154.9061 | 1.00286 | – |
| 2026 Jan 25 18:57 | 2026 Jan 24 00:13:07 | 13.4700 | 0.00042 | 22.8067 | 207.3700 | 154.9061 | 1.00286 | – |
| 2026 Jan 24 18:58 | 2026 Jan 24 00:13:07 | 13.4700 | 0.00042 | 22.8067 | 207.3700 | 154.9061 | 1.00286 | – |