| Primary satellite | Secondary satellite |
| Name | Cosmos 1315 Rocket | FLOCK 4V 13 |
| Spacetrack catalog number | 12904 | 46297 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Mar 07 13:39 | 2021 Mar 07 11:45 |
| Time of closest approach (UTC) | 2021 Jan 19 16:15:04.488 |
| Minimum distance | 297.707 km |
| Height difference | 3.657 km |
| Relative speed | 13.181 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 81.2°N, 50.1°W |
| Height | 545 km |
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