| Primary satellite | Secondary satellite |
| Name | Kosmos-2154 | DELTA 1 DEB |
| Spacetrack catalog number | 21666 | 26835 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 22 04:28 | 2023 Sep 21 17:41 |
| Time of closest approach (UTC) | 2023 Jun 06 16:21:52.897 |
| Minimum distance | 1481.277 km |
| Height difference | 1.491 km |
| Relative speed | 12.563 km/s |
| Angle between velocity vectors | 118° |
| Geographic position | 70.4°S, 88.8°W |
| Height | 1031 km |
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