| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | deb Kosmos-397 |
| Spacetrack catalog number | 40681 | 19024 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:24 | 2024 Dec 22 15:36 |
| Time of closest approach (UTC) | 2024 Dec 24 16:04:30.877 |
| Minimum distance | 4.273 km |
| Height difference | -2.554 km |
| Relative speed | 14.738 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 49.7°S, 145.6°W |
| Height | 803 km |
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