| Primary satellite | Secondary satellite |
| Name | PDD Test Mass | KINEIS-3D |
| Spacetrack catalog number | 20564 | 61221 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:27 | 2024 Dec 22 21:22 |
| Time of closest approach (UTC) | 2024 Dec 29 09:49:37.160 |
| Minimum distance | 2.569 km |
| Height difference | 2.113 km |
| Relative speed | 14.980 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 29.7°S, 151.2°W |
| Height | 663 km |
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