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 May 09 17:57 | 2025 May 08 22:13:37 | 82.9571 | 0.00172 | 18.7197 | 283.7238 | 193.9831 | 12.06911 | – |
| 2025 May 08 17:56 | 2025 May 03 12:36:18 | 82.9566 | 0.00172 | 18.9162 | 295.4713 | 193.9831 | 12.06911 | – |
| 2025 May 07 17:56 | 2025 May 03 12:36:18 | 82.9566 | 0.00172 | 18.9162 | 295.4713 | 193.9831 | 12.06911 | – |
| 2025 May 06 17:57 | 2025 May 03 12:36:18 | 82.9566 | 0.00172 | 18.9162 | 295.4713 | 193.9831 | 12.06911 | – |
| 2025 May 05 17:56 | 2025 May 03 12:36:18 | 82.9566 | 0.00172 | 18.9162 | 295.4713 | 193.9831 | 12.06911 | – |
| 2025 May 04 17:57 | 2025 May 03 12:36:18 | 82.9566 | 0.00172 | 18.9162 | 295.4713 | 193.9831 | 12.06911 | – |
| 2025 May 03 17:57 | 2025 May 03 12:36:18 | 82.9566 | 0.00172 | 18.9162 | 295.4713 | 193.9831 | 12.06911 | – |
| 2025 May 01 17:56 | 2025 Apr 22 11:49:10 | 82.9567 | 0.00175 | 19.3176 | 319.4333 | 193.9831 | 12.06911 | – |
| 2025 Apr 30 17:56 | 2025 Apr 22 11:49:10 | 82.9567 | 0.00175 | 19.3176 | 319.4333 | 193.9831 | 12.06911 | – |
| 2025 Apr 29 17:57 | 2025 Apr 22 11:49:10 | 82.9567 | 0.00175 | 19.3176 | 319.4333 | 193.9831 | 12.06911 | – |
| 2025 Apr 27 17:56 | 2025 Apr 22 11:49:10 | 82.9567 | 0.00175 | 19.3176 | 319.4333 | 193.9831 | 12.06911 | – |
| 2025 Apr 26 17:57 | 2025 Apr 22 11:49:10 | 82.9567 | 0.00175 | 19.3176 | 319.4333 | 193.9831 | 12.06911 | – |
| 2025 Apr 25 17:56 | 2025 Apr 22 11:49:10 | 82.9567 | 0.00175 | 19.3176 | 319.4333 | 193.9831 | 12.06911 | – |
| 2025 Apr 24 17:56 | 2025 Apr 22 11:49:10 | 82.9567 | 0.00175 | 19.3176 | 319.4333 | 193.9831 | 12.06911 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 11:49:10 | 82.9567 | 0.00175 | 19.3176 | 319.4333 | 193.9831 | 12.06911 | – |
| 2025 Apr 22 17:56 | 2025 Apr 22 11:49:10 | 82.9567 | 0.00175 | 19.3176 | 319.4333 | 193.9831 | 12.06911 | – |
| 2025 Apr 21 17:57 | 2025 Apr 15 23:09:15 | 82.9571 | 0.00177 | 19.5551 | 333.2194 | 193.9831 | 12.06911 | – |
| 2025 Apr 20 17:56 | 2025 Apr 15 23:09:15 | 82.9571 | 0.00177 | 19.5551 | 333.2194 | 193.9831 | 12.06911 | – |
| 2025 Apr 19 17:56 | 2025 Apr 15 23:09:15 | 82.9571 | 0.00177 | 19.5551 | 333.2194 | 193.9831 | 12.06911 | – |
| 2025 Apr 18 17:57 | 2025 Apr 15 23:09:15 | 82.9571 | 0.00177 | 19.5551 | 333.2194 | 193.9831 | 12.06911 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 23:09:15 | 82.9571 | 0.00177 | 19.5551 | 333.2194 | 193.9831 | 12.06911 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 23:09:15 | 82.9571 | 0.00177 | 19.5551 | 333.2194 | 193.9831 | 12.06911 | – |
| 2025 Apr 15 17:56 | 2025 Apr 10 13:28:24 | 82.9575 | 0.00179 | 19.7516 | 344.5200 | 193.9831 | 12.06911 | – |
| 2025 Apr 14 17:56 | 2025 Apr 10 13:28:24 | 82.9575 | 0.00179 | 19.7516 | 344.5200 | 193.9831 | 12.06911 | – |