| Primary satellite | Secondary satellite |
| Name | Cosmos 836 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 8924 | 30277 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 21:15 | 2023 Oct 01 02:33 |
| Time of closest approach (UTC) | 2023 Jun 06 04:15:40.723 |
| Minimum distance | 407.134 km |
| Height difference | 1.078 km |
| Relative speed | 14.606 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 73.2°S, 30.9°E |
| Height | 802 km |
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