| Primary satellite | Secondary satellite |
| Name | CZ-4 DEB | deb Kosmos-249 |
| Spacetrack catalog number | 28069 | 14410 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 13:44 | 2024 Dec 22 13:16 |
| Time of closest approach (UTC) | 2024 Dec 26 18:40:32.166 |
| Minimum distance | 2.749 km |
| Height difference | -2.713 km |
| Relative speed | 4.866 km/s |
| Angle between velocity vectors | 38° |
| Geographic position | 15.0°S, 153.5°W |
| Height | 741 km |
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