| Primary satellite | Secondary satellite |
| Name | Cosmos 2173 Rocket | CZ-4C DEB |
| Spacetrack catalog number | 21797 | 39016 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Nov 16 17:29 | 2025 Nov 16 04:17 |
| Time of closest approach (UTC) | 2025 Oct 12 15:09:40.104 |
| Minimum distance | 6.540 km |
| Height difference | -0.227 km |
| Relative speed | 11.052 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 61.3°N, 88.4°E |
| Height | 1006 km |
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