| Primary satellite | Secondary satellite |
| Name | ITUPSAT 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 35935 | 34682 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Jan 18 14:55 | 2025 Jan 18 21:53 |
| Time of closest approach (UTC) | 2024 Dec 08 18:57:51.061 |
| Minimum distance | 53.173 km |
| Height difference | -2.615 km |
| Relative speed | 14.883 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 55.3°S, 36.0°E |
| Height | 716 km |
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