| Primary satellite | Secondary satellite |
| Name | FengYun 1-2 T | COSMOS 2251 DEB |
| Spacetrack catalog number | 20855 | 34797 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jun 30 21:06 | 2022 Jun 29 20:53 |
| Time of closest approach (UTC) | 2022 May 24 17:04:38.154 |
| Minimum distance | 30.467 km |
| Height difference | 2.376 km |
| Relative speed | 14.739 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 45.9°S, 17.5°E |
| Height | 872 km |
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