| Primary satellite | Secondary satellite |
| Name | ARGOS Delta rocket | Orbcomm A7 (FM11) |
| Spacetrack catalog number | 25637 | 25114 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Mar 05 20:21 | 2021 Mar 05 21:18 |
| Time of closest approach (UTC) | 2021 Jan 17 20:49:22.721 |
| Minimum distance | 22.605 km |
| Height difference | -2.941 km |
| Relative speed | 13.298 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 37.1°S, 74.8°W |
| Height | 779 km |
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