| Primary satellite | Secondary satellite |
| Name | Cosmos 1892 | COSMOS 2556 |
| Spacetrack catalog number | 18421 | 52713 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Sep 22 05:07 | 2023 Sep 22 12:39 |
| Time of closest approach (UTC) | 2023 Jun 16 11:53:54.564 |
| Minimum distance | 6.698 km |
| Height difference | -6.018 km |
| Relative speed | 15.233 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 81.7°N, 58.9°W |
| Height | 512 km |
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