| Primary satellite | Secondary satellite |
| Name | Cosmos 1151 Rocket | SL-24 R/B |
| Spacetrack catalog number | 11672 | 39228 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 17 05:09 | 2021 Apr 16 20:53 |
| Time of closest approach (UTC) | 2021 Mar 05 03:09:44.154 |
| Minimum distance | 80.981 km |
| Height difference | -2.713 km |
| Relative speed | 5.458 km/s |
| Angle between velocity vectors | 42° |
| Geographic position | 68.3°N, 171.2°W |
| Height | 606 km |
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