| Primary satellite | Secondary satellite |
| Name | NOAA 18 | Cosmos 2237 Rocket |
| Spacetrack catalog number | 28654 | 22566 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Jun 04 09:22 | 2023 Jun 03 18:51 |
| Time of closest approach (UTC) | 2023 Mar 29 16:05:32.344 |
| Minimum distance | 88.325 km |
| Height difference | 0.869 km |
| Relative speed | 14.344 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 64.3°S, 114.2°E |
| Height | 866 km |
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