| Primary satellite | Secondary satellite |
| Name | PDD Test Mass | OBJECT C |
| Spacetrack catalog number | 20564 | 60014 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:27 | 2024 Dec 23 09:11 |
| Time of closest approach (UTC) | 2024 Dec 26 08:23:34.541 |
| Minimum distance | 0.816 km |
| Height difference | 0.388 km |
| Relative speed | 15.063 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 57.7°N, 53.5°E |
| Height | 582 km |
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