| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1249 COOLANT |
| Spacetrack catalog number | 31420 | 26503 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jan 27 12:38 | 2023 Jan 28 09:23 |
| Time of closest approach (UTC) | 2022 Dec 02 22:11:02.063 |
| Minimum distance | 66.175 km |
| Height difference | -1.429 km |
| Relative speed | 11.166 km/s |
| Angle between velocity vectors | 98° |
| Geographic position | 65.1°S, 32.5°W |
| Height | 913 km |
|