| Primary satellite | Secondary satellite |
| Name | Cosmos 1697 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 16182 | 31974 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 08 15:08 | 2021 Mar 08 03:55 |
| Time of closest approach (UTC) | 2021 Jan 23 13:16:36.134 |
| Minimum distance | 252.488 km |
| Height difference | 1.816 km |
| Relative speed | 4.060 km/s |
| Angle between velocity vectors | 32° |
| Geographic position | 30.5°N, 35.5°W |
| Height | 842 km |
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