| Primary satellite | Secondary satellite |
| Name | Envisat | deb Delta 139 |
| Spacetrack catalog number | 27386 | 12262 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jul 13 11:52 | 2025 Jul 12 20:19 |
| Time of closest approach (UTC) | 2025 Jun 17 21:11:08.239 |
| Minimum distance | 5.388 km |
| Height difference | -0.261 km |
| Relative speed | 14.804 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 3.9°S, 99.1°W |
| Height | 767 km |
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