| Primary satellite | Secondary satellite |
| Name | SL-19 R/B | COSMOS 1579 COOLANT |
| Spacetrack catalog number | 36589 | 26517 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 21 03:29 | 2022 May 19 22:24 |
| Time of closest approach (UTC) | 2022 Jan 27 03:49:46.354 |
| Minimum distance | 222.826 km |
| Height difference | 4.836 km |
| Relative speed | 10.545 km/s |
| Angle between velocity vectors | 90° |
| Geographic position | 61.7°S, 168.0°W |
| Height | 921 km |
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