| Primary satellite | Secondary satellite |
| Name | SENTINEL 1B | ELECTRON KICK STAGE R/B |
| Spacetrack catalog number | 41456 | 63306 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Nov 17 19:20 | 2025 Nov 17 19:58 |
| Time of closest approach (UTC) | 2025 Oct 16 13:14:49.175 |
| Minimum distance | 89.863 km |
| Height difference | -2.232 km |
| Relative speed | 9.822 km/s |
| Angle between velocity vectors | 81° |
| Geographic position | 79.1°N, 64.1°E |
| Height | 598 km |
|