| Primary satellite | Secondary satellite |
| Name | Cosmos 1602 Rocket | HJ-1A |
| Spacetrack catalog number | 15332 | 33320 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2026 Jan 24 06:20 | 2026 Jan 24 06:10 |
| Time of closest approach (UTC) | 2025 Dec 19 05:55:36.672 |
| Minimum distance | 4.586 km |
| Height difference | 4.276 km |
| Relative speed | 15.123 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 46.1°N, 156.3°E |
| Height | 611 km |
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