| Primary satellite | Secondary satellite |
| Name | ITUPSAT 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 35935 | 34383 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 May 31 13:40 | 2023 May 31 12:33 |
| Time of closest approach (UTC) | 2023 Apr 06 22:42:33.043 |
| Minimum distance | 1156.651 km |
| Height difference | 4.487 km |
| Relative speed | 11.252 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 66.4°S, 171.3°E |
| Height | 725 km |
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