| Primary satellite | Secondary satellite |
| Name | Kosmos-2154 | Cosmos 489 |
| Spacetrack catalog number | 21666 | 6019 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Sep 22 04:28 | 2023 Sep 22 00:51 |
| Time of closest approach (UTC) | 2023 Jun 09 13:42:57.782 |
| Minimum distance | 26.398 km |
| Height difference | 0.564 km |
| Relative speed | 14.029 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 48.7°N, 82.6°W |
| Height | 996 km |
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