| Primary satellite | Secondary satellite |
| Name | Cosmos 1666 Rocket | deb Agena D |
| Spacetrack catalog number | 15890 | 4200 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 01 21:06 | 2022 Jul 01 15:20 |
| Time of closest approach (UTC) | 2022 May 30 09:25:10.757 |
| Minimum distance | 732.554 km |
| Height difference | -2.578 km |
| Relative speed | 9.976 km/s |
| Angle between velocity vectors | 83° |
| Geographic position | 65.8°N, 142.3°E |
| Height | 630 km |
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