| Primary satellite | Secondary satellite |
| Name | ASTEX 1 | CZ-6A DEB |
| Spacetrack catalog number | 5560 | 54480 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:21 | 2024 Dec 22 13:46 |
| Time of closest approach (UTC) | 2024 Dec 25 08:04:23.497 |
| Minimum distance | 4.104 km |
| Height difference | 3.211 km |
| Relative speed | 1.778 km/s |
| Angle between velocity vectors | 14° |
| Geographic position | 63.6°S, 31.2°W |
| Height | 756 km |
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