| Primary satellite | Secondary satellite |
| Name | Transit 2A | Iridium 69 |
| Spacetrack catalog number | 45 | 25319 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2021 Jan 24 14:02 | 2021 Jan 24 13:08 |
| Time of closest approach (UTC) | 2020 Nov 26 01:34:23.230 |
| Minimum distance | 11.579 km |
| Height difference | -4.757 km |
| Relative speed | 12.730 km/s |
| Angle between velocity vectors | 117° |
| Geographic position | 61.4°S, 174.2°E |
| Height | 791 km |
|