| Primary satellite | Secondary satellite |
| Name | COSMOS 1818 DEB | CZ-6A DEB |
| Spacetrack catalog number | 36938 | 55887 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:47 | 2024 Dec 21 23:23 |
| Time of closest approach (UTC) | 2024 Dec 24 07:21:51.548 |
| Minimum distance | 4.250 km |
| Height difference | -4.107 km |
| Relative speed | 10.992 km/s |
| Angle between velocity vectors | 95° |
| Geographic position | 64.1°N, 144.3°E |
| Height | 792 km |
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