| Primary satellite | Secondary satellite |
| Name | deb Kosmos-407 | Cosmos 2221 Rocket |
| Spacetrack catalog number | 5301 | 22237 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 16:53 | 2024 Dec 23 08:28 |
| Time of closest approach (UTC) | 2024 Dec 27 20:06:43.906 |
| Minimum distance | 0.897 km |
| Height difference | 0.118 km |
| Relative speed | 13.611 km/s |
| Angle between velocity vectors | 129° |
| Geographic position | 61.7°N, 154.7°W |
| Height | 640 km |
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