Orbital elements of RADIO 4
| Launched | 16 December 1981 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 13000 |
| 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 Aug 22 17:56 | 2026 Aug 18 22:56:55 | 82.9620 | 0.00184 | 1.7452 | 45.4314 | 72.7029 | 12.06922 | – |
| 2026 Aug 21 17:56 | 2026 Aug 18 22:56:55 | 82.9620 | 0.00184 | 1.7452 | 45.4314 | 72.7029 | 12.06922 | – |
| 2026 Aug 20 17:57 | 2026 Aug 18 22:56:55 | 82.9620 | 0.00184 | 1.7452 | 45.4314 | 72.7029 | 12.06922 | – |
| 2026 Aug 19 17:57 | 2026 Aug 18 22:56:55 | 82.9620 | 0.00184 | 1.7452 | 45.4314 | 72.7029 | 12.06922 | – |
| 2026 Aug 18 17:56 | 2026 Aug 12 23:42:46 | 82.9612 | 0.00185 | 1.9622 | 57.1402 | 72.7029 | 12.06922 | – |
| 2026 Aug 17 17:56 | 2026 Aug 12 23:42:46 | 82.9612 | 0.00185 | 1.9622 | 57.1402 | 72.7029 | 12.06922 | – |
| 2026 Aug 16 17:56 | 2026 Aug 12 23:42:46 | 82.9612 | 0.00185 | 1.9622 | 57.1402 | 72.7029 | 12.06922 | – |
| 2026 Aug 15 17:57 | 2026 Aug 12 23:42:46 | 82.9612 | 0.00185 | 1.9622 | 57.1402 | 72.7029 | 12.06922 | – |
| 2026 Aug 14 17:56 | 2026 Aug 12 23:42:46 | 82.9612 | 0.00185 | 1.9622 | 57.1402 | 72.7029 | 12.06922 | – |
| 2026 Aug 13 17:57 | 2026 Aug 12 23:42:46 | 82.9612 | 0.00185 | 1.9622 | 57.1402 | 72.7029 | 12.06922 | – |
| 2026 Aug 12 17:56 | 2026 Aug 07 00:28:33 | 82.9606 | 0.00186 | 2.1792 | 68.6324 | 72.7029 | 12.06922 | – |
| 2026 Aug 11 17:56 | 2026 Aug 07 00:28:33 | 82.9606 | 0.00186 | 2.1792 | 68.6324 | 72.7029 | 12.06922 | – |
| 2026 Aug 10 17:56 | 2026 Aug 07 00:28:33 | 82.9606 | 0.00186 | 2.1792 | 68.6324 | 72.7029 | 12.06922 | – |
| 2026 Aug 09 17:57 | 2026 Aug 07 00:28:33 | 82.9606 | 0.00186 | 2.1792 | 68.6324 | 72.7029 | 12.06922 | – |
| 2026 Aug 08 17:57 | 2026 Aug 07 00:28:33 | 82.9606 | 0.00186 | 2.1792 | 68.6324 | 72.7029 | 12.06922 | – |
| 2026 Aug 07 17:57 | 2026 Aug 07 00:28:33 | 82.9606 | 0.00186 | 2.1792 | 68.6324 | 72.7029 | 12.06922 | – |
| 2026 Aug 06 17:57 | 2026 Aug 01 01:15:02 | 82.9601 | 0.00187 | 2.3962 | 80.1641 | 72.7029 | 12.06922 | – |
| 2026 Aug 05 17:56 | 2026 Aug 01 01:15:02 | 82.9601 | 0.00187 | 2.3962 | 80.1641 | 72.7029 | 12.06922 | – |
| 2026 Aug 04 17:57 | 2026 Aug 01 01:15:02 | 82.9601 | 0.00187 | 2.3962 | 80.1641 | 72.7029 | 12.06922 | – |
| 2026 Aug 03 17:56 | 2026 Aug 01 01:15:02 | 82.9601 | 0.00187 | 2.3962 | 80.1641 | 72.7029 | 12.06922 | – |
| 2026 Aug 02 17:57 | 2026 Aug 01 01:15:02 | 82.9601 | 0.00187 | 2.3962 | 80.1641 | 72.7029 | 12.06922 | – |
| 2026 Aug 01 17:57 | 2026 Aug 01 01:15:02 | 82.9601 | 0.00187 | 2.3962 | 80.1641 | 72.7029 | 12.06922 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 01:54:33 | 82.9598 | 0.00187 | 2.5770 | 89.7698 | 72.7029 | 12.06922 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 01:54:33 | 82.9598 | 0.00187 | 2.5770 | 89.7698 | 72.7029 | 12.06922 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 01:54:33 | 82.9598 | 0.00187 | 2.5770 | 89.7698 | 72.7029 | 12.06922 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 01:54:33 | 82.9598 | 0.00187 | 2.5770 | 89.7698 | 72.7029 | 12.06922 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 01:54:33 | 82.9598 | 0.00187 | 2.5770 | 89.7698 | 72.7029 | 12.06922 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 06:53:49 | 82.9597 | 0.00187 | 2.7877 | 100.9047 | 72.7029 | 12.06922 | – |