| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | deb Chang Zheng 4 |
| Spacetrack catalog number | 42167 | 20868 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 14:18 | 2024 Dec 23 07:16 |
| Time of closest approach (UTC) | 2024 Dec 26 16:40:13.478 |
| Minimum distance | 4.161 km |
| Height difference | 2.113 km |
| Relative speed | 13.903 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 81.0°S, 56.2°E |
| Height | 941 km |
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