| Primary satellite | Secondary satellite |
| Name | USA 229 DEB | SL-16 Debris |
| Spacetrack catalog number | 37391 | 25411 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 17:29 | 2024 Dec 22 11:48 |
| Time of closest approach (UTC) | 2024 Dec 27 20:31:35.711 |
| Minimum distance | 2.989 km |
| Height difference | -2.952 km |
| Relative speed | 13.798 km/s |
| Angle between velocity vectors | 134° |
| Geographic position | 8.7°S, 161.2°E |
| Height | 882 km |
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