| 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 30 05:01 | 2023 Oct 01 04:44 |
| Time of closest approach (UTC) | 2023 Jun 15 16:01:49.340 |
| Minimum distance | 59.908 km |
| Height difference | 35.313 km |
| Relative speed | 15.219 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 34.2°S, 50.7°W |
| Height | 491 km |
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