| Primary satellite | Secondary satellite |
| Name | Cosmos 1048 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 11112 | 37971 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 20 15:09 | 2025 May 19 13:02 |
| Time of closest approach (UTC) | 2024 Jun 23 23:06:12.085 |
| Minimum distance | 4420.618 km |
| Height difference | 39.759 km |
| Relative speed | 14.885 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 55.4°N, 24.2°E |
| Height | 778 km |
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