| Primary satellite | Secondary satellite |
| Name | ITUPSAT 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 35935 | 35724 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Dec 14 07:10 | 2025 Dec 11 07:36 |
| Time of closest approach (UTC) | 2025 Nov 14 03:56:06.898 |
| Minimum distance | 66.947 km |
| Height difference | -5.423 km |
| Relative speed | 14.149 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 73.7°N, 45.7°W |
| Height | 705 km |
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