| Primary satellite | Secondary satellite |
| Name | Cosmos 1666 Rocket | CZ-2D DEB |
| Spacetrack catalog number | 15890 | 43487 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 01 21:06 | 2022 Jul 01 13:34 |
| Time of closest approach (UTC) | 2022 May 31 10:25:10.938 |
| Minimum distance | 24.181 km |
| Height difference | 3.232 km |
| Relative speed | 14.971 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 82.0°S, 106.9°W |
| Height | 649 km |
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