| Primary satellite | Secondary satellite |
| Name | Cosmos 1697 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 16182 | 36991 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 21:31 | 2021 Mar 04 01:03 |
| Time of closest approach (UTC) | 2021 Jan 23 21:22:35.823 |
| Minimum distance | 65.118 km |
| Height difference | -5.823 km |
| Relative speed | 14.555 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 61.4°N, 72.5°E |
| Height | 853 km |
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