| Primary satellite | Secondary satellite |
| Name | Envisat | deb Agena D |
| Spacetrack catalog number | 27386 | 4218 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 16 05:51 | 2021 Apr 16 00:20 |
| Time of closest approach (UTC) | 2021 Mar 06 21:06:38.273 |
| Minimum distance | 7.131 km |
| Height difference | -6.399 km |
| Relative speed | 4.146 km/s |
| Angle between velocity vectors | 32° |
| Geographic position | 29.2°N, 60.9°W |
| Height | 770 km |
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