| Primary satellite | Secondary satellite |
| Name | NOSS 8 (H) | Cosmos 1025 Rocket |
| Spacetrack catalog number | 18025 | 10974 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Nov 13 05:25 | 2025 Nov 13 05:10 |
| Time of closest approach (UTC) | 2025 Oct 15 10:13:17.697 |
| Minimum distance | 1261.149 km |
| Height difference | 106.290 km |
| Relative speed | 14.443 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 46.2°N, 173.9°E |
| Height | 509 km |
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