| Primary satellite | Secondary satellite |
| Name | SMDC ONE 1.2 | OBJECT C |
| Spacetrack catalog number | 38759 | 58851 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 12:07 | 2024 Dec 23 13:36 |
| Time of closest approach (UTC) | 2024 Dec 24 10:27:03.210 |
| Minimum distance | 2.545 km |
| Height difference | -2.308 km |
| Relative speed | 13.569 km/s |
| Angle between velocity vectors | 123° |
| Geographic position | 7.9°N, 121.0°W |
| Height | 475 km |
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