| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | GAOFEN 9 DEB |
| Spacetrack catalog number | 12172 | 44600 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 00:38 | 2024 Dec 21 18:46 |
| Time of closest approach (UTC) | 2024 Dec 27 05:38:21.632 |
| Minimum distance | 4.616 km |
| Height difference | -4.498 km |
| Relative speed | 10.282 km/s |
| Angle between velocity vectors | 88° |
| Geographic position | 78.3°N, 67.3°E |
| Height | 819 km |
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