| Primary satellite | Secondary satellite |
| Name | ITUPSAT 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 35935 | 36071 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 May 31 13:40 | 2023 May 29 00:07 |
| Time of closest approach (UTC) | 2023 Apr 07 04:54:45.197 |
| Minimum distance | 249.048 km |
| Height difference | 5.703 km |
| Relative speed | 14.968 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 26.7°S, 126.0°W |
| Height | 709 km |
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