| Primary satellite | Secondary satellite |
| Name | SL-16 Debris | CHECKMATE 3 |
| Spacetrack catalog number | 25411 | 56170 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 05:19 | 2024 Dec 22 20:47 |
| Time of closest approach (UTC) | 2024 Dec 27 18:57:25.738 |
| Minimum distance | 4.719 km |
| Height difference | 0.267 km |
| Relative speed | 13.880 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 44.1°S, 158.6°W |
| Height | 976 km |
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