| Primary satellite | Secondary satellite |
| Name | deb Delta 89 | deb Kosmos-397 |
| Spacetrack catalog number | 8314 | 5091 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:41 | 2024 Dec 23 12:41 |
| Time of closest approach (UTC) | 2024 Dec 29 12:00:45.162 |
| Minimum distance | 4.236 km |
| Height difference | -3.557 km |
| Relative speed | 7.651 km/s |
| Angle between velocity vectors | 60° |
| Geographic position | 54.8°S, 82.3°E |
| Height | 609 km |
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