| Primary satellite | Secondary satellite |
| Name | ITUPSAT 1 | deb Kosmos- 1898 |
| Spacetrack catalog number | 35935 | 18697 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Dec 14 07:10 | 2025 Dec 14 06:18 |
| Time of closest approach (UTC) | 2025 Nov 13 11:29:31.594 |
| Minimum distance | 57.689 km |
| Height difference | -3.741 km |
| Relative speed | 14.051 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 72.6°N, 161.1°W |
| Height | 705 km |
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