| Primary satellite | Secondary satellite |
| Name | Cosmos 1674 | BKA 2 |
| Spacetrack catalog number | 15944 | 38708 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 14 22:37 | 2021 Jan 15 03:50 |
| Time of closest approach (UTC) | 2020 Nov 29 22:08:48.704 |
| Minimum distance | 1.234 km |
| Height difference | -0.739 km |
| Relative speed | 15.208 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 32.6°S, 11.6°E |
| Height | 518 km |
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