| Primary satellite | Secondary satellite |
| Name | Cosmos 1934 Rocket | HAIYANG 2C |
| Spacetrack catalog number | 18986 | 46469 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 22 19:21 | 2021 Jan 23 04:38 |
| Time of closest approach (UTC) | 2020 Dec 04 00:12:50.555 |
| Minimum distance | 47.025 km |
| Height difference | 1.726 km |
| Relative speed | 3.799 km/s |
| Angle between velocity vectors | 30° |
| Geographic position | 52.3°S, 96.3°E |
| Height | 966 km |
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