| Primary satellite | Secondary satellite |
| Name | YUNHAI 1-04 | Cosmos 841 |
| Spacetrack catalog number | 58073 | 9022 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:59 | 2024 Dec 23 01:33 |
| Time of closest approach (UTC) | 2024 Dec 29 10:37:18.847 |
| Minimum distance | 4.536 km |
| Height difference | -3.741 km |
| Relative speed | 14.870 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 29.4°S, 134.9°E |
| Height | 792 km |
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