| Primary satellite | Secondary satellite |
| Name | Cosmos 1898 Rocket | Star 27 S/N 0056 |
| Spacetrack catalog number | 18586 | 15596 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2022 Jul 06 13:43 | 2022 Jul 06 14:04 |
| Time of closest approach (UTC) | 2022 Jun 02 06:17:53.611 |
| Minimum distance | 3.340 km |
| Height difference | -2.555 km |
| Relative speed | 14.907 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 51.7°N, 124.2°W |
| Height | 786 km |
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