| Primary satellite | Secondary satellite |
| Name | MOS 1 Rocket | Cosmos 1707 Rocket |
| Spacetrack catalog number | 17528 | 16327 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 19 12:23 | 2021 Jan 19 18:23 |
| Time of closest approach (UTC) | 2020 Dec 03 04:37:41.274 |
| Minimum distance | 2.945 km |
| Height difference | 2.877 km |
| Relative speed | 15.104 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 82.4°S, 130.7°E |
| Height | 652 km |
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