| Primary satellite | Secondary satellite |
| Name | STRAND 1 | Cosmos 1898 |
| Spacetrack catalog number | 39090 | 18585 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Jun 08 12:00 | 2023 Jun 08 12:04 |
| Time of closest approach (UTC) | 2023 Apr 06 19:52:10.024 |
| Minimum distance | 9.831 km |
| Height difference | 5.665 km |
| Relative speed | 14.643 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 65.7°S, 178.2°E |
| Height | 804 km |
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