| Primary satellite | Secondary satellite |
| Name | Cosmos 1674 | TIANZHI 1 |
| Spacetrack catalog number | 15944 | 43710 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Oct 11 20:28 | 2024 Oct 12 03:53 |
| Time of closest approach (UTC) | 2024 Sep 19 22:43:45.852 |
| Minimum distance | 7.257 km |
| Height difference | -6.419 km |
| Relative speed | 15.289 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 40.9°N, 129.0°E |
| Height | 446 km |
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