| Primary satellite | Secondary satellite |
| Name | ITUPSAT 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 35935 | 36551 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 May 29 13:51 | 2023 May 29 11:05 |
| Time of closest approach (UTC) | 2023 Apr 08 06:41:03.226 |
| Minimum distance | 291.507 km |
| Height difference | -8.315 km |
| Relative speed | 14.721 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 71.8°N, 4.9°E |
| Height | 723 km |
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