| Primary satellite | Secondary satellite |
| Name | KKS-1 | PDD Test Mass |
| Spacetrack catalog number | 33499 | 20564 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:59 | 2024 Dec 22 18:27 |
| Time of closest approach (UTC) | 2024 Dec 23 18:27:18.562 |
| Minimum distance | 3.709 km |
| Height difference | 1.273 km |
| Relative speed | 1.901 km/s |
| Angle between velocity vectors | 15° |
| Geographic position | 55.1°S, 95.3°W |
| Height | 647 km |
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