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 |
| 2025 Aug 31 17:56 | 2025 Aug 27 21:49:36 | 82.9591 | 0.00195 | 14.6850 | 57.1461 | 2.5954 | 12.06917 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 21:49:36 | 82.9591 | 0.00195 | 14.6850 | 57.1461 | 2.5954 | 12.06917 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 21:49:36 | 82.9591 | 0.00195 | 14.6850 | 57.1461 | 2.5954 | 12.06917 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:49:36 | 82.9591 | 0.00195 | 14.6850 | 57.1461 | 2.5954 | 12.06917 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 06:09:10 | 82.9583 | 0.00196 | 14.8542 | 66.3264 | 2.5954 | 12.06917 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 06:09:10 | 82.9583 | 0.00196 | 14.8542 | 66.3264 | 2.5954 | 12.06917 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 06:09:10 | 82.9583 | 0.00196 | 14.8542 | 66.3264 | 2.5954 | 12.06917 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 06:09:10 | 82.9583 | 0.00196 | 14.8542 | 66.3264 | 2.5954 | 12.06917 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 06:09:10 | 82.9583 | 0.00196 | 14.8542 | 66.3264 | 2.5954 | 12.06917 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 23:04:54 | 82.9573 | 0.00197 | 15.0467 | 76.6744 | 2.5954 | 12.06917 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 23:04:54 | 82.9573 | 0.00197 | 15.0467 | 76.6744 | 2.5954 | 12.06917 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 23:04:54 | 82.9573 | 0.00197 | 15.0467 | 76.6744 | 2.5954 | 12.06917 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 23:04:54 | 82.9573 | 0.00197 | 15.0467 | 76.6744 | 2.5954 | 12.06917 | – |
| 2025 Aug 16 17:56 | 2025 Aug 11 18:30:10 | 82.9566 | 0.00197 | 15.2718 | 88.7319 | 2.5954 | 12.06917 | – |
| 2025 Aug 15 17:57 | 2025 Aug 11 18:30:10 | 82.9566 | 0.00197 | 15.2718 | 88.7319 | 2.5954 | 12.06917 | – |
| 2025 Aug 14 17:56 | 2025 Aug 11 18:30:10 | 82.9566 | 0.00197 | 15.2718 | 88.7319 | 2.5954 | 12.06917 | – |
| 2025 Aug 13 17:58 | 2025 Aug 11 18:30:10 | 82.9566 | 0.00197 | 15.2718 | 88.7319 | 2.5954 | 12.06917 | – |
| 2025 Aug 12 17:56 | 2025 Aug 11 18:30:10 | 82.9566 | 0.00197 | 15.2718 | 88.7319 | 2.5954 | 12.06917 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 12:52:06 | 82.9563 | 0.00197 | 15.4621 | 98.9332 | 2.5954 | 12.06917 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 12:52:06 | 82.9563 | 0.00197 | 15.4621 | 98.9332 | 2.5954 | 12.06917 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 12:52:06 | 82.9563 | 0.00197 | 15.4621 | 98.9332 | 2.5954 | 12.06917 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 12:52:06 | 82.9563 | 0.00197 | 15.4621 | 98.9332 | 2.5954 | 12.06917 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 12:52:06 | 82.9563 | 0.00197 | 15.4621 | 98.9332 | 2.5954 | 12.06917 | – |
| 2025 Aug 05 17:56 | 2025 Jul 31 13:36:13 | 82.9561 | 0.00197 | 15.6792 | 110.5800 | 2.5954 | 12.06917 | – |
| 2025 Aug 04 17:56 | 2025 Jul 31 13:36:13 | 82.9561 | 0.00197 | 15.6792 | 110.5800 | 2.5954 | 12.06917 | – |