| Primary satellite | Secondary satellite |
| Name | Cosmos 1697 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 16182 | 31562 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 06 08:36 | 2021 Mar 06 07:07 |
| Time of closest approach (UTC) | 2021 Jan 20 04:30:29.811 |
| Minimum distance | 112.335 km |
| Height difference | -5.628 km |
| Relative speed | 11.558 km/s |
| Angle between velocity vectors | 102° |
| Geographic position | 70.5°S, 137.0°W |
| Height | 859 km |
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