| Primary satellite | Secondary satellite |
| Name | COSMOS 1818 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 36938 | 41707 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:47 | 2024 Dec 22 06:23 |
| Time of closest approach (UTC) | 2024 Dec 26 21:04:53.164 |
| Minimum distance | 2.459 km |
| Height difference | -2.410 km |
| Relative speed | 14.275 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 56.5°N, 99.4°W |
| Height | 790 km |
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