| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1579 COOLANT |
| Spacetrack catalog number | 31732 | 26517 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:45 | 2024 Dec 21 01:56 |
| Time of closest approach (UTC) | 2024 Dec 29 07:17:09.128 |
| Minimum distance | 4.373 km |
| Height difference | 4.310 km |
| Relative speed | 14.649 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 17.0°S, 157.4°W |
| Height | 890 km |
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