| Primary satellite | Secondary satellite |
| Name | HJ-1B | Cosmos 1766 Rocket |
| Spacetrack catalog number | 33321 | 16882 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:01 | 2024 Dec 22 14:38 |
| Time of closest approach (UTC) | 2024 Dec 23 16:11:59.969 |
| Minimum distance | 1.840 km |
| Height difference | -1.507 km |
| Relative speed | 15.133 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 5.0°S, 155.4°W |
| Height | 606 km |
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