| Primary satellite | Secondary satellite |
| Name | SJ-9B | deb Kosmos-1331 |
| Spacetrack catalog number | 38861 | 14346 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:38 | 2024 Dec 22 16:26 |
| Time of closest approach (UTC) | 2024 Dec 27 02:06:45.805 |
| Minimum distance | 3.798 km |
| Height difference | 2.597 km |
| Relative speed | 15.066 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 25.2°S, 46.2°E |
| Height | 604 km |
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