| Primary satellite | Secondary satellite |
| Name | Okean 1-7 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23318 | 31773 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 17 20:12 | 2026 Jan 11 06:02 |
| Time of closest approach (UTC) | 2025 Dec 18 18:43:59.120 |
| Minimum distance | 7.668 km |
| Height difference | -7.281 km |
| Relative speed | 15.104 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 39.8°N, 163.2°E |
| Height | 636 km |
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