| Primary satellite | Secondary satellite |
| Name | Cosmos 1538 Rocket | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 14760 | 40560 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:37 | 2024 Dec 21 07:48 |
| Time of closest approach (UTC) | 2024 Dec 25 17:33:34.524 |
| Minimum distance | 2.070 km |
| Height difference | 0.174 km |
| Relative speed | 10.729 km/s |
| Angle between velocity vectors | 92° |
| Geographic position | 72.1°N, 121.5°W |
| Height | 777 km |
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