| Primary satellite | Secondary satellite |
| Name | Cosmos 1707 Rocket | GAOFEN 12 |
| Spacetrack catalog number | 16327 | 44819 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 10 19:08 | 2021 Apr 11 12:40 |
| Time of closest approach (UTC) | 2021 Mar 01 17:14:59.607 |
| Minimum distance | 3.101 km |
| Height difference | 2.117 km |
| Relative speed | 15.081 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 75.7°N, 120.9°W |
| Height | 640 km |
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