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 |
| 2025 Sep 03 17:57 | 2025 Sep 02 21:21:12 | 13.5773 | 0.00068 | 22.8752 | 182.7034 | 181.1076 | 1.00211 | – |
| 2025 Sep 02 17:56 | 2025 Sep 01 21:22:16 | 13.5780 | 0.00068 | 22.8757 | 182.6433 | 181.1076 | 1.00211 | – |
| 2025 Sep 01 17:56 | 2025 Aug 31 21:23:27 | 13.5788 | 0.00068 | 22.8762 | 182.4149 | 181.1076 | 1.00211 | – |
| 2025 Aug 31 17:56 | 2025 Aug 30 20:26:38 | 13.5796 | 0.00068 | 22.8767 | 182.0431 | 181.1076 | 1.00211 | – |
| 2025 Aug 30 17:56 | 2025 Aug 29 21:25:41 | 13.5803 | 0.00068 | 22.8772 | 181.7626 | 181.1076 | 1.00211 | – |
| 2025 Aug 29 17:56 | 2025 Aug 28 21:16:53 | 13.5810 | 0.00069 | 22.8776 | 181.4592 | 181.1076 | 1.00211 | – |
| 2025 Aug 28 17:57 | 2025 Aug 26 21:36:38 | 13.5825 | 0.00069 | 22.8786 | 180.9017 | 181.1076 | 1.00211 | – |
| 2025 Aug 27 17:56 | 2025 Aug 26 21:36:38 | 13.5825 | 0.00069 | 22.8786 | 180.9017 | 181.1076 | 1.00211 | – |
| 2025 Aug 26 17:56 | 2025 Aug 25 21:30:22 | 13.5832 | 0.00069 | 22.8791 | 180.5513 | 181.1076 | 1.00211 | – |
| 2025 Aug 25 17:56 | 2025 Aug 24 21:08:28 | 13.5840 | 0.00069 | 22.8796 | 180.1589 | 181.1076 | 1.00211 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 23:10:26 | 13.5846 | 0.00069 | 22.8800 | 179.8087 | 181.1076 | 1.00211 | – |
| 2025 Aug 23 17:56 | 2025 Aug 21 21:34:51 | 13.5860 | 0.00069 | 22.8810 | 178.9510 | 181.1076 | 1.00211 | – |
| 2025 Aug 22 17:56 | 2025 Aug 20 21:35:58 | 13.5867 | 0.00069 | 22.8815 | 178.5901 | 181.1076 | 1.00211 | – |
| 2025 Aug 20 17:56 | 2025 Aug 19 21:37:09 | 13.5874 | 0.00068 | 22.8820 | 178.2525 | 181.1076 | 1.00211 | – |
| 2025 Aug 19 17:56 | 2025 Aug 18 21:38:17 | 13.5880 | 0.00068 | 22.8825 | 177.9310 | 181.1076 | 1.00211 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 21:56:38 | 13.5886 | 0.00068 | 22.8830 | 177.6599 | 181.1076 | 1.00211 | – |
| 2025 Aug 16 17:56 | 2025 Aug 15 21:41:43 | 13.5901 | 0.00068 | 22.8840 | 177.2107 | 181.1076 | 1.00211 | – |
| 2025 Aug 15 17:57 | 2025 Aug 14 21:42:53 | 13.5909 | 0.00068 | 22.8845 | 177.0497 | 181.1076 | 1.00211 | – |
| 2025 Aug 14 17:56 | 2025 Aug 13 22:09:38 | 13.5916 | 0.00067 | 22.8850 | 176.9277 | 181.1076 | 1.00211 | – |
| 2025 Aug 13 17:58 | 2025 Aug 10 21:31:38 | 13.5937 | 0.00067 | 22.8864 | 176.5670 | 181.1076 | 1.00211 | – |
| 2025 Aug 12 17:56 | 2025 Aug 10 21:31:38 | 13.5937 | 0.00067 | 22.8864 | 176.5670 | 181.1076 | 1.00211 | – |
| 2025 Aug 11 17:56 | 2025 Aug 10 21:31:38 | 13.5937 | 0.00067 | 22.8864 | 176.5670 | 181.1076 | 1.00211 | – |
| 2025 Aug 10 17:57 | 2025 Aug 08 21:49:38 | 13.5951 | 0.00067 | 22.8874 | 176.2431 | 181.1076 | 1.00211 | – |
| 2025 Aug 09 17:56 | 2025 Aug 08 21:49:38 | 13.5951 | 0.00067 | 22.8874 | 176.2431 | 181.1076 | 1.00211 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 21:51:44 | 13.5965 | 0.00067 | 22.8884 | 176.0126 | 181.1076 | 1.00211 | – |