| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | COSMOS 2535 |
| Spacetrack catalog number | 37966 | 44421 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 19 08:48 | 2024 Dec 23 10:49 |
| Time of closest approach (UTC) | 2024 Dec 27 01:58:22.755 |
| Minimum distance | 1.213 km |
| Height difference | -0.911 km |
| Relative speed | 15.070 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 25.4°N, 90.8°W |
| Height | 608 km |
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