| Primary satellite | Secondary satellite |
| Name | NOAA 18 | CZ-4C DEB |
| Spacetrack catalog number | 28654 | 43409 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 May 29 08:55 | 2023 May 27 18:25 |
| Time of closest approach (UTC) | 2023 Apr 01 23:48:07.630 |
| Minimum distance | 148.956 km |
| Height difference | 0.613 km |
| Relative speed | 12.312 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 75.2°S, 123.4°E |
| Height | 866 km |
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