| Primary satellite | Secondary satellite |
| Name | Cosmos 1674 | STARLINK-48 |
| Spacetrack catalog number | 15944 | 44289 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 14 22:37 | 2021 Jan 15 11:04 |
| Time of closest approach (UTC) | 2020 Nov 24 21:01:40.835 |
| Minimum distance | 5813.699 km |
| Height difference | 17.587 km |
| Relative speed | 13.058 km/s |
| Angle between velocity vectors | 118° |
| Geographic position | 82.5°N, 128.5°E |
| Height | 509 km |
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