| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Gurwin Techsat 1B |
| Spacetrack catalog number | 34814 | 25397 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:55 | 2024 Dec 23 12:16 |
| Time of closest approach (UTC) | 2024 Dec 25 06:45:49.345 |
| Minimum distance | 2.405 km |
| Height difference | 1.025 km |
| Relative speed | 9.132 km/s |
| Angle between velocity vectors | 76° |
| Geographic position | 68.9°N, 110.4°E |
| Height | 821 km |
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