| Primary satellite | Secondary satellite |
| Name | Cosmos 1733 Rocket | GAOFEN 12 |
| Spacetrack catalog number | 16612 | 44819 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 17 14:31 | 2021 Jan 17 20:13 |
| Time of closest approach (UTC) | 2020 Dec 08 08:54:08.622 |
| Minimum distance | 4.072 km |
| Height difference | 0.710 km |
| Relative speed | 15.080 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 74.0°N, 0.7°E |
| Height | 641 km |
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