| Primary satellite | Secondary satellite |
| Name | Cosmos 1862 Rocket | PROITERES |
| Spacetrack catalog number | 18153 | 38756 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 15 11:13 | 2026 Jan 15 13:43 |
| Time of closest approach (UTC) | 2025 Dec 09 12:20:46.685 |
| Minimum distance | 7.115 km |
| Height difference | -1.484 km |
| Relative speed | 15.084 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 42.2°N, 16.5°W |
| Height | 632 km |
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