| Primary satellite | Secondary satellite |
| Name | COSMOS 1818 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 36938 | 41255 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:47 | 2024 Dec 22 06:31 |
| Time of closest approach (UTC) | 2024 Dec 25 07:27:05.316 |
| Minimum distance | 4.148 km |
| Height difference | 4.112 km |
| Relative speed | 14.552 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 48.0°S, 82.4°W |
| Height | 772 km |
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