| Primary satellite | Secondary satellite |
| Name | SJ-7 | deb Kosmos-397 |
| Spacetrack catalog number | 28737 | 5094 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:04 | 2024 Dec 23 03:40 |
| Time of closest approach (UTC) | 2024 Dec 24 00:12:47.334 |
| Minimum distance | 0.868 km |
| Height difference | 0.348 km |
| Relative speed | 11.435 km/s |
| Angle between velocity vectors | 96° |
| Geographic position | 65.2°N, 106.9°W |
| Height | 533 km |
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