| Primary satellite | Secondary satellite |
| Name | Cosmos 1674 | OBJECT DD |
| Spacetrack catalog number | 15944 | 51083 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Apr 27 20:44 | 2024 Nov 22 21:31 |
| Time of closest approach (UTC) | 2024 Jun 20 06:08:14.943 |
| Minimum distance | 2220.597 km |
| Height difference | -148.973 km |
| Relative speed | 9.843 km/s |
| Angle between velocity vectors | 79° |
| Geographic position | 67.2°S, 2.8°E |
| Height | 557 km |
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