| Primary satellite | Secondary satellite |
| Name | Cosmos 1933 Rocket | YAOGAN 3 |
| Spacetrack catalog number | 18959 | 32289 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 21 18:34 | 2021 Jan 21 19:05 |
| Time of closest approach (UTC) | 2020 Dec 02 01:42:34.792 |
| Minimum distance | 7.301 km |
| Height difference | -4.193 km |
| Relative speed | 15.079 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 68.7°N, 126.9°W |
| Height | 643 km |
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