| Primary satellite | Secondary satellite |
| Name | Kosmos-449 | deb Kosmos-1045 |
| Spacetrack catalog number | 5552 | 19138 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:13 | 2024 Dec 22 09:34 |
| Time of closest approach (UTC) | 2024 Dec 28 19:57:31.591 |
| Minimum distance | 4.338 km |
| Height difference | -3.213 km |
| Relative speed | 13.913 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 25.9°N, 122.2°E |
| Height | 1487 km |
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