| Primary satellite | Secondary satellite |
| Name | Cosmos 1271 Rocket | MH-1 |
| Spacetrack catalog number | 12465 | 59145 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Oct 11 11:59 | 2024 Oct 11 13:55 |
| Time of closest approach (UTC) | 2024 Sep 18 07:49:52.509 |
| Minimum distance | 118.953 km |
| Height difference | 33.003 km |
| Relative speed | 15.250 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 72.9°N, 117.1°W |
| Height | 478 km |
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