| Primary satellite | Secondary satellite |
| Name | ITUPSAT 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 35935 | 34884 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 May 31 13:40 | 2023 May 31 04:18 |
| Time of closest approach (UTC) | 2023 Apr 01 16:26:13.922 |
| Minimum distance | 571.724 km |
| Height difference | -4.030 km |
| Relative speed | 14.783 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 76.9°N, 154.4°W |
| Height | 724 km |
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