| Primary satellite | Secondary satellite |
| Name | CZ-4 R/B | STARLINK-1161 |
| Spacetrack catalog number | 29507 | 45068 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 12 19:39 | 2021 Apr 13 19:04 |
| Time of closest approach (UTC) | 2021 Mar 08 00:07:05.527 |
| Minimum distance | 319.296 km |
| Height difference | 1.295 km |
| Relative speed | 11.709 km/s |
| Angle between velocity vectors | 101° |
| Geographic position | 51.2°S, 64.6°W |
| Height | 563 km |
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