| Primary satellite | Secondary satellite |
| Name | Cosmos 1048 | DMSP 5D-2 F11 DEB |
| Spacetrack catalog number | 11111 | 28300 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:57 | 2024 Dec 22 16:17 |
| Time of closest approach (UTC) | 2024 Dec 27 21:16:22.138 |
| Minimum distance | 3.234 km |
| Height difference | -3.115 km |
| Relative speed | 14.813 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 59.8°N, 26.5°W |
| Height | 774 km |
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