| Primary satellite | Secondary satellite |
| Name | Cosmos 1125 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 11511 | 34070 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 16 13:54 | 2022 May 16 06:54 |
| Time of closest approach (UTC) | 2022 Feb 01 08:35:19.871 |
| Minimum distance | 1595.037 km |
| Height difference | 9.603 km |
| Relative speed | 14.415 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 11.2°S, 175.4°W |
| Height | 770 km |
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