| Primary satellite | Secondary satellite |
| Name | BEIJING 3B | STARS |
| Spacetrack catalog number | 53587 | 33498 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 13:24 | 2024 Dec 23 08:53 |
| Time of closest approach (UTC) | 2024 Dec 24 23:02:21.233 |
| Minimum distance | 1.737 km |
| Height difference | 1.183 km |
| Relative speed | 14.611 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 56.5°S, 6.5°E |
| Height | 623 km |
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