| Primary satellite | Secondary satellite |
| Name | LO-87 | FLOCK 3K 7 |
| Spacetrack catalog number | 41557 | 43902 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Feb 25 11:54 | 2021 Feb 25 12:18 |
| Time of closest approach (UTC) | 2021 Jan 20 19:43:37.498 |
| Minimum distance | 312.155 km |
| Height difference | 3.138 km |
| Relative speed | 15.020 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 38.7°N, 53.4°E |
| Height | 477 km |
|