| Primary satellite | Secondary satellite |
| Name | AO-91 | Iridium 7 |
| Spacetrack catalog number | 43017 | 24793 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2021 Mar 06 11:05 | 2021 Mar 06 11:45 |
| Time of closest approach (UTC) | 2021 Jan 20 06:21:05.717 |
| Minimum distance | 19.891 km |
| Height difference | 2.068 km |
| Relative speed | 14.592 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 77.4°S, 112.2°E |
| Height | 801 km |
|