| Primary satellite | Secondary satellite |
| Name | Cosmos 1697 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 16182 | 30662 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 21:31 | 2021 Mar 07 11:00 |
| Time of closest approach (UTC) | 2021 Jan 22 12:26:44.601 |
| Minimum distance | 181.631 km |
| Height difference | -3.616 km |
| Relative speed | 11.590 km/s |
| Angle between velocity vectors | 102° |
| Geographic position | 70.6°S, 94.9°E |
| Height | 859 km |
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