| Primary satellite | Secondary satellite |
| Name | Hubble Space Telescope | OBJECT S |
| Spacetrack catalog number | 20580 | 61751 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 May 14 17:44 | 2025 May 15 04:42 |
| Time of closest approach (UTC) | 2025 May 01 06:52:52.347 |
| Minimum distance | 280.654 km |
| Height difference | -1.437 km |
| Relative speed | 8.703 km/s |
| Angle between velocity vectors | 70° |
| Geographic position | 7.2°N, 153.3°W |
| Height | 490 km |
|