| Primary satellite | Secondary satellite |
| Name | Cosmos 1666 | SPACEBEE-55 |
| Spacetrack catalog number | 15889 | 47459 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Feb 01 06:47 | 2023 Feb 01 09:44 |
| Time of closest approach (UTC) | 2022 Dec 04 07:59:34.953 |
| Minimum distance | 648.256 km |
| Height difference | -10.918 km |
| Relative speed | 14.183 km/s |
| Angle between velocity vectors | 137° |
| Geographic position | 77.4°N, 121.6°E |
| Height | 521 km |
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