| Primary satellite | Secondary satellite |
| Name | Cosmos 1447 Rocket | Kosmos-1089 |
| Spacetrack catalog number | 13917 | 11308 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Sep 07 22:35 | 2024 Sep 07 19:23 |
| Time of closest approach (UTC) | 2024 Aug 18 17:23:18.311 |
| Minimum distance | 2.108 km |
| Height difference | -1.628 km |
| Relative speed | 14.592 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 27.2°N, 124.4°W |
| Height | 979 km |
|