| Primary satellite | Secondary satellite |
| Name | DMSP-16 (USA 172) | Sep Motor Cover |
| Spacetrack catalog number | 28054 | 20627 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:34 | 2024 Dec 22 17:16 |
| Time of closest approach (UTC) | 2024 Dec 28 14:38:02.456 |
| Minimum distance | 2.103 km |
| Height difference | 1.761 km |
| Relative speed | 14.867 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 22.1°S, 128.8°W |
| Height | 849 km |
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