| Primary satellite | Secondary satellite |
| Name | Cosmos 1315 Rocket | STARLINK-1127 |
| Spacetrack catalog number | 12904 | 45091 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Mar 07 13:39 | 2021 Mar 07 19:17 |
| Time of closest approach (UTC) | 2021 Jan 23 08:56:14.968 |
| Minimum distance | 2328.561 km |
| Height difference | -3.073 km |
| Relative speed | 13.901 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 47.3°S, 55.0°W |
| Height | 570 km |
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