| Primary satellite | Secondary satellite |
| Name | Oscar 11 | Cosmos 1707 Rocket |
| Spacetrack catalog number | 14781 | 16327 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 May 16 11:33 | 2025 May 16 11:05 |
| Time of closest approach (UTC) | 2025 May 02 21:26:13.472 |
| Minimum distance | 6.364 km |
| Height difference | -1.454 km |
| Relative speed | 15.009 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 82.3°S, 5.9°W |
| Height | 635 km |
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