| Primary satellite | Secondary satellite |
| Name | AMAZONIA 1 | COSMOS 1818 COOLANT |
| Spacetrack catalog number | 47699 | 50787 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:43 | 2024 Dec 19 13:38 |
| Time of closest approach (UTC) | 2024 Dec 29 02:21:58.035 |
| Minimum distance | 4.929 km |
| Height difference | 3.497 km |
| Relative speed | 14.794 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 3.4°S, 56.4°W |
| Height | 759 km |
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