| Primary satellite | Secondary satellite |
| Name | SL-4 R/B | COSMOS 1408 DEB |
| Spacetrack catalog number | 39679 | 52064 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jun 24 19:01 | 2022 Jun 25 13:12 |
| Time of closest approach (UTC) | 2022 May 26 16:34:20.113 |
| Minimum distance | 671.817 km |
| Height difference | 1.498 km |
| Relative speed | 12.890 km/s |
| Angle between velocity vectors | 114° |
| Geographic position | 44.6°S, 155.4°E |
| Height | 441 km |
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