| Primary satellite | Secondary satellite |
| Name | Gurwin Techsat 1B | COSMOS 2251 DEB |
| Spacetrack catalog number | 25397 | 34814 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:06 | 2024 Dec 22 18:18 |
| Time of closest approach (UTC) | 2024 Dec 25 06:45:49.609 |
| Minimum distance | 1.542 km |
| Height difference | -0.971 km |
| Relative speed | 9.132 km/s |
| Angle between velocity vectors | 76° |
| Geographic position | 68.9°N, 110.4°E |
| Height | 822 km |
|