| Primary satellite | Secondary satellite |
| Name | STRAND 1 | deb r/b (DELTA) |
| Spacetrack catalog number | 39090 | 18779 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 01 09:54 | 2021 Mar 01 14:20 |
| Time of closest approach (UTC) | 2021 Jan 22 20:24:59.668 |
| Minimum distance | 12.248 km |
| Height difference | -2.848 km |
| Relative speed | 10.048 km/s |
| Angle between velocity vectors | 84° |
| Geographic position | 78.3°N, 114.2°E |
| Height | 788 km |
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