| Primary satellite | Secondary satellite |
| Name | Okean 1 Rocket | GAOFEN 9 |
| Spacetrack catalog number | 19275 | 40894 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 22 19:25 | 2021 Jan 23 04:03 |
| Time of closest approach (UTC) | 2020 Dec 03 01:06:48.645 |
| Minimum distance | 4.240 km |
| Height difference | 4.174 km |
| Relative speed | 15.054 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 81.5°S, 77.0°E |
| Height | 647 km |
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