| Primary satellite | Secondary satellite |
| Name | Cosmos 2228 | GECAM-B |
| Spacetrack catalog number | 22286 | 47235 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Mar 02 13:39 | 2021 Mar 02 12:15 |
| Time of closest approach (UTC) | 2021 Jan 19 05:10:57.280 |
| Minimum distance | 6.611 km |
| Height difference | -1.516 km |
| Relative speed | 10.277 km/s |
| Angle between velocity vectors | 86° |
| Geographic position | 28.8°N, 23.8°E |
| Height | 600 km |
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