| Primary satellite | Secondary satellite |
| Name | Tiangong | FLOCK 4S 26 |
| Spacetrack catalog number | 48274 | 47497 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Dec 04 19:51 | 2023 Nov 02 14:36 |
| Time of closest approach (UTC) | 2023 Sep 30 03:07:53.173 |
| Minimum distance | 5862.900 km |
| Height difference | -42.547 km |
| Relative speed | 13.680 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 27.9°N, 34.7°W |
| Height | 373 km |
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