| Primary satellite | Secondary satellite |
| Name | Cosmos 1408 Rocket | AISSAT 1 |
| Spacetrack catalog number | 13553 | 36797 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Apr 14 06:24 | 2021 Apr 14 09:10 |
| Time of closest approach (UTC) | 2021 Mar 03 02:13:18.989 |
| Minimum distance | 2.809 km |
| Height difference | 0.107 km |
| Relative speed | 15.071 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 80.0°S, 84.7°E |
| Height | 629 km |
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