| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | deb Agena D |
| Spacetrack catalog number | 47059 | 4938 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 23:17 | 2024 Dec 22 04:37 |
| Time of closest approach (UTC) | 2024 Dec 26 12:04:37.712 |
| Minimum distance | 1.779 km |
| Height difference | -1.153 km |
| Relative speed | 6.228 km/s |
| Angle between velocity vectors | 49° |
| Geographic position | 69.8°S, 99.2°W |
| Height | 657 km |
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