| Primary satellite | Secondary satellite |
| Name | Hubble Space Telescope | FLOCK 4S 18 |
| Spacetrack catalog number | 20580 | 47496 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2022 May 21 22:38 | 2022 May 21 21:32 |
| Time of closest approach (UTC) | 2022 Jan 30 16:42:41.455 |
| Minimum distance | 1977.547 km |
| Height difference | -23.011 km |
| Relative speed | 11.660 km/s |
| Angle between velocity vectors | 100° |
| Geographic position | 27.7°N, 54.1°E |
| Height | 536 km |
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