| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | Cosmos 1538 |
| Spacetrack catalog number | 54312 | 14759 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:28 | 2024 Dec 23 12:29 |
| Time of closest approach (UTC) | 2024 Dec 23 20:21:39.686 |
| Minimum distance | 1.357 km |
| Height difference | 0.431 km |
| Relative speed | 14.679 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 65.5°S, 8.9°E |
| Height | 813 km |
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