| Primary satellite | Secondary satellite |
| Name | Cosmos 1869 | TIANMU-1 05 |
| Spacetrack catalog number | 18214 | 55975 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Sep 23 17:45 | 2023 Sep 24 09:34 |
| Time of closest approach (UTC) | 2023 Jun 05 14:03:06.178 |
| Minimum distance | 14.492 km |
| Height difference | 5.255 km |
| Relative speed | 15.217 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 43.1°N, 28.5°E |
| Height | 520 km |
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