| 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 23:30:16.945 |
| Minimum distance | 5.347 km |
| Height difference | 4.756 km |
| Relative speed | 15.313 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 41.1°S, 62.7°W |
| Height | 430 km |
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