| Primary satellite | Secondary satellite |
| Name | NOAA 18 | COSMOS 2143 DEB |
| Spacetrack catalog number | 28654 | 57726 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 07 19:53 | 2024 Sep 06 20:40 |
| Time of closest approach (UTC) | 2024 Apr 20 03:59:41.003 |
| Minimum distance | 540.452 km |
| Height difference | -13.781 km |
| Relative speed | 14.561 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 75.0°N, 135.5°E |
| Height | 868 km |
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