| Primary satellite | Secondary satellite |
| Name | FAST 2 (USA 228) | Cosmos 1933 Rocket |
| Spacetrack catalog number | 37380 | 18959 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Feb 05 21:54 | 2023 Feb 05 19:03 |
| Time of closest approach (UTC) | 2022 Dec 13 22:59:33.257 |
| Minimum distance | 10.625 km |
| Height difference | -7.927 km |
| Relative speed | 9.548 km/s |
| Angle between velocity vectors | 79° |
| Geographic position | 71.6°S, 28.3°W |
| Height | 655 km |
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