| Primary satellite | Secondary satellite |
| Name | ITUPSAT 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 35935 | 34736 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 May 31 13:40 | 2023 May 31 18:53 |
| Time of closest approach (UTC) | 2023 Apr 05 22:37:44.956 |
| Minimum distance | 314.628 km |
| Height difference | -8.931 km |
| Relative speed | 14.766 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 72.1°N, 125.0°E |
| Height | 724 km |
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