| Primary satellite | Secondary satellite |
| Name | SPOT 5 | COSMOS 2251 DEB |
| Spacetrack catalog number | 27421 | 35906 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 18:49 | 2021 Jan 17 04:35 |
| Time of closest approach (UTC) | 2020 Dec 04 00:07:24.097 |
| Minimum distance | 646.631 km |
| Height difference | -8.880 km |
| Relative speed | 5.229 km/s |
| Angle between velocity vectors | 40° |
| Geographic position | 54.7°N, 39.7°W |
| Height | 635 km |
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