| Primary satellite | Secondary satellite |
| Name | O/OREOS (USA 219) | TRACERS 3 |
| Spacetrack catalog number | 37224 | 64873 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2025 Dec 14 02:25 | 2025 Dec 14 03:33 |
| Time of closest approach (UTC) | 2025 Nov 17 01:28:52.711 |
| Minimum distance | 6.079 km |
| Height difference | -1.842 km |
| Relative speed | 15.048 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 21.6°S, 50.8°W |
| Height | 599 km |
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