| Primary satellite | Secondary satellite |
| Name | Cosmos 2228 | PERSEUS M1 |
| Spacetrack catalog number | 22286 | 40039 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2022 May 16 01:05 | 2022 May 15 19:01 |
| Time of closest approach (UTC) | 2022 Jan 23 14:19:20.097 |
| Minimum distance | 653.821 km |
| Height difference | -2.074 km |
| Relative speed | 9.562 km/s |
| Angle between velocity vectors | 79° |
| Geographic position | 80.3°N, 60.1°W |
| Height | 628 km |
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