| Primary satellite | Secondary satellite |
| Name | Cosmos 1602 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 15332 | 29926 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 24 12:34 | 2026 Jan 24 06:21 |
| Time of closest approach (UTC) | 2025 Dec 20 16:32:34.275 |
| Minimum distance | 0.613 km |
| Height difference | -0.592 km |
| Relative speed | 15.157 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 74.7°S, 153.6°E |
| Height | 639 km |
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