| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | Kosmos-1299 reactor core |
| Spacetrack catalog number | 54411 | 12808 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:59 | 2024 Dec 23 19:09 |
| Time of closest approach (UTC) | 2024 Dec 26 20:28:22.480 |
| Minimum distance | 1.655 km |
| Height difference | 0.328 km |
| Relative speed | 14.018 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 57.8°S, 14.2°W |
| Height | 938 km |
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