| 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 Dec 05 04:44 | 2025 Dec 03 07:06 |
| Time of closest approach (UTC) | 2025 May 03 01:16:23.683 |
| Minimum distance | 177.273 km |
| Height difference | -11.176 km |
| Relative speed | 14.829 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 73.4°N, 174.1°E |
| Height | 867 km |
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