| Primary satellite | Secondary satellite |
| Name | COSMOS 1818 DEB | Cosmos 2056 |
| Spacetrack catalog number | 36938 | 20432 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:47 | 2024 Dec 22 16:51 |
| Time of closest approach (UTC) | 2024 Dec 28 02:43:17.291 |
| Minimum distance | 2.323 km |
| Height difference | 2.315 km |
| Relative speed | 13.844 km/s |
| Angle between velocity vectors | 136° |
| Geographic position | 21.4°S, 116.3°E |
| Height | 774 km |
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