| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NIMBUS 2 DEB |
| Spacetrack catalog number | 34459 | 28208 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:30 | 2024 Dec 22 22:23 |
| Time of closest approach (UTC) | 2024 Dec 24 06:28:36.392 |
| Minimum distance | 4.026 km |
| Height difference | -3.330 km |
| Relative speed | 14.277 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 71.8°N, 14.0°E |
| Height | 1015 km |
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