| Primary satellite | Secondary satellite |
| Name | STRAND 1 | PEGASUS DEB |
| Spacetrack catalog number | 39090 | 39319 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 May 18 17:44 | 2025 May 18 02:15 |
| Time of closest approach (UTC) | 2024 Apr 29 22:11:14.217 |
| Minimum distance | 2916.399 km |
| Height difference | -63.415 km |
| Relative speed | 14.146 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 60.2°N, 104.4°E |
| Height | 774 km |
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