| Primary satellite | Secondary satellite |
| Name | NOAA 18 | Meteor 1-21 Rocket |
| Spacetrack catalog number | 28654 | 7715 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Jun 04 09:22 | 2023 Jun 03 19:23 |
| Time of closest approach (UTC) | 2023 Apr 02 04:57:05.451 |
| Minimum distance | 18.790 km |
| Height difference | -2.426 km |
| Relative speed | 14.806 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 81.1°S, 1.8°W |
| Height | 868 km |
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