| Primary satellite | Secondary satellite |
| Name | Cosmos 841 Rocket | deb Chang Zheng 4 |
| Spacetrack catalog number | 9023 | 20903 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 10:16 | 2023 Sep 30 01:32 |
| Time of closest approach (UTC) | 2023 Jun 11 17:48:22.174 |
| Minimum distance | 89.489 km |
| Height difference | 0.040 km |
| Relative speed | 14.787 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 64.3°N, 1.0°W |
| Height | 771 km |
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