| Primary satellite | Secondary satellite |
| Name | NOAA 18 | SL-3 DEB |
| Spacetrack catalog number | 28654 | 35516 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 15 05:05 | 2025 May 14 10:13 |
| Time of closest approach (UTC) | 2025 May 02 23:37:42.579 |
| Minimum distance | 5.089 km |
| Height difference | -2.005 km |
| Relative speed | 14.815 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 81.2°N, 107.6°W |
| Height | 868 km |
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