| Primary satellite | Secondary satellite |
| Name | Cosmos 1666 Rocket | DX 1 |
| Spacetrack catalog number | 15890 | 40071 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2022 Jul 01 21:06 | 2022 Jul 01 17:15 |
| Time of closest approach (UTC) | 2022 May 26 18:21:19.285 |
| Minimum distance | 8.604 km |
| Height difference | -2.291 km |
| Relative speed | 2.111 km/s |
| Angle between velocity vectors | 16° |
| Geographic position | 9.7°S, 33.4°E |
| Height | 635 km |
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