| Primary satellite | Secondary satellite |
| Name | Cosmos 1674 | OBJECT F |
| Spacetrack catalog number | 15944 | 49320 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Apr 19 10:10 | 2025 Jan 09 22:58 |
| Time of closest approach (UTC) | 2024 Jun 23 23:52:25.290 |
| Minimum distance | 771.186 km |
| Height difference | -18.751 km |
| Relative speed | 15.660 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 35.7°N, 77.2°E |
| Height | 323 km |
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