| Primary satellite | Secondary satellite |
| Name | Cosmos 1674 Rocket | DX 1 |
| Spacetrack catalog number | 15945 | 40071 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 07:49 | 2024 Dec 23 03:05 |
| Time of closest approach (UTC) | 2024 Dec 28 13:30:38.622 |
| Minimum distance | 3.493 km |
| Height difference | -3.354 km |
| Relative speed | 14.568 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 81.7°S, 71.5°E |
| Height | 637 km |
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