| Primary satellite | Secondary satellite |
| Name | ITUPSAT 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 35935 | 37535 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Jan 18 14:55 | 2025 Jan 18 20:02 |
| Time of closest approach (UTC) | 2024 Dec 09 03:01:34.396 |
| Minimum distance | 17.233 km |
| Height difference | 4.343 km |
| Relative speed | 14.983 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 19.1°S, 75.5°W |
| Height | 699 km |
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