| Primary satellite | Secondary satellite |
| Name | STRAND 1 | Cosmos 1331 |
| Spacetrack catalog number | 39090 | 13027 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Jun 05 02:02 | 2023 Jun 04 22:38 |
| Time of closest approach (UTC) | 2023 Apr 06 17:10:25.068 |
| Minimum distance | 14.052 km |
| Height difference | -3.035 km |
| Relative speed | 14.420 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 70.7°N, 174.9°E |
| Height | 782 km |
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