| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NAXING 1 |
| Spacetrack catalog number | 35970 | 28221 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 20 21:18 | 2024 Dec 23 13:07 |
| Time of closest approach (UTC) | 2024 Dec 30 00:49:07.408 |
| Minimum distance | 1.025 km |
| Height difference | 0.797 km |
| Relative speed | 15.112 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 41.3°N, 77.7°E |
| Height | 561 km |
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