| Primary satellite | Secondary satellite |
| Name | SL-4 R/B | FLOCK 4S 15 |
| Spacetrack catalog number | 39679 | 47521 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2022 Jun 27 21:44 | 2022 Jun 28 03:08 |
| Time of closest approach (UTC) | 2022 Jun 01 15:25:09.196 |
| Minimum distance | 107.263 km |
| Height difference | 5.312 km |
| Relative speed | 14.674 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 5.1°S, 92.3°E |
| Height | 515 km |
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