| Primary satellite | Secondary satellite |
| Name | Cosmos 1666 Rocket | UPM/SAT 1 |
| Spacetrack catalog number | 15890 | 23607 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2022 Jul 01 21:06 | 2022 Jul 01 17:17 |
| Time of closest approach (UTC) | 2022 May 28 04:38:05.089 |
| Minimum distance | 49.879 km |
| Height difference | 1.328 km |
| Relative speed | 6.470 km/s |
| Angle between velocity vectors | 51° |
| Geographic position | 71.8°S, 101.5°W |
| Height | 654 km |
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