| Primary satellite | Secondary satellite |
| Name | Transit 4A | NINGXIA-1 9 |
| Spacetrack catalog number | 116 | 49021 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 08 11:07 | 2024 Dec 08 14:54 |
| Time of closest approach (UTC) | 2024 Nov 10 08:45:46.569 |
| Minimum distance | 1.904 km |
| Height difference | 1.353 km |
| Relative speed | 9.909 km/s |
| Angle between velocity vectors | 84° |
| Geographic position | 39.3°S, 37.3°E |
| Height | 876 km |
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