| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | deb Kosmos- 1898 |
| Spacetrack catalog number | 40491 | 18698 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 13:22 | 2024 Dec 22 15:02 |
| Time of closest approach (UTC) | 2024 Dec 26 14:07:36.631 |
| Minimum distance | 4.714 km |
| Height difference | 0.973 km |
| Relative speed | 13.276 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 74.0°S, 119.2°E |
| Height | 749 km |
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