| Primary satellite | Secondary satellite |
| Name | Oscar 19 | SHIYUAN |
| Spacetrack catalog number | 20442 | 37931 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 Jan 19 13:43 | 2025 Jan 19 14:33 |
| Time of closest approach (UTC) | 2024 Dec 11 18:07:07.424 |
| Minimum distance | 13.846 km |
| Height difference | -3.188 km |
| Relative speed | 1.510 km/s |
| Angle between velocity vectors | 12° |
| Geographic position | 81.1°S, 78.9°E |
| Height | 811 km |
|