| Primary satellite | Secondary satellite |
| Name | Envisat | Orbcomm 15 |
| Spacetrack catalog number | 27386 | 25415 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2026 Jan 19 07:58 | 2026 Jan 19 00:09 |
| Time of closest approach (UTC) | 2025 Dec 15 10:59:21.216 |
| Minimum distance | 188.123 km |
| Height difference | -1.451 km |
| Relative speed | 11.479 km/s |
| Angle between velocity vectors | 101° |
| Geographic position | 44.0°S, 59.0°E |
| Height | 779 km |
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