| Primary satellite | Secondary satellite |
| Name | COSMOS 1818 DEB | AMAZONIA 1 |
| Spacetrack catalog number | 36938 | 47699 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:47 | 2024 Dec 23 04:43 |
| Time of closest approach (UTC) | 2024 Dec 25 01:06:09.783 |
| Minimum distance | 4.724 km |
| Height difference | -1.633 km |
| Relative speed | 14.558 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 47.0°S, 133.0°E |
| Height | 777 km |
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