| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | CENTAURI-1 |
| Spacetrack catalog number | 47 | 43809 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 06 13:50 | 2021 Mar 06 11:09 |
| Time of closest approach (UTC) | 2021 Jan 23 22:12:33.673 |
| Minimum distance | 30.623 km |
| Height difference | -5.412 km |
| Relative speed | 15.032 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 24.7°N, 2.6°W |
| Height | 599 km |
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