| Primary satellite | Secondary satellite |
| Name | O/OREOS (USA 219) | TRACERS 1 |
| Spacetrack catalog number | 37224 | 64870 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2025 Dec 14 02:25 | 2025 Dec 14 05:11 |
| Time of closest approach (UTC) | 2025 Nov 17 07:07:51.598 |
| Minimum distance | 13.577 km |
| Height difference | 0.837 km |
| Relative speed | 15.060 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 25.3°N, 45.1°E |
| Height | 591 km |
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