| Primary satellite | Secondary satellite |
| Name | Resurs 1-4 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 25400 | 34615 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 17 19:46 | 2024 Sep 17 03:07 |
| Time of closest approach (UTC) | 2024 Aug 14 01:23:04.592 |
| Minimum distance | 9.714 km |
| Height difference | 2.234 km |
| Relative speed | 14.989 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 29.3°S, 0.7°W |
| Height | 810 km |
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