| Primary satellite | Secondary satellite |
| Name | OV2-1/LCS2 H | PDD Test Mass |
| Spacetrack catalog number | 1646 | 20565 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:11 | 2024 Dec 22 18:09 |
| Time of closest approach (UTC) | 2024 Dec 26 13:18:52.144 |
| Minimum distance | 3.329 km |
| Height difference | -3.163 km |
| Relative speed | 11.500 km/s |
| Angle between velocity vectors | 99° |
| Geographic position | 31.1°N, 136.3°E |
| Height | 642 km |
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