| Primary satellite | Secondary satellite |
| Name | Cosmos 1666 | SUPERVIEW NEO-1 02 |
| Spacetrack catalog number | 15889 | 52322 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Feb 01 06:47 | 2023 Feb 01 13:57 |
| Time of closest approach (UTC) | 2022 Dec 03 02:47:50.921 |
| Minimum distance | 173.431 km |
| Height difference | -1.578 km |
| Relative speed | 13.215 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 82.0°S, 11.5°W |
| Height | 514 km |
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