| Primary satellite | Secondary satellite |
| Name | NOAA 15 | CSO-1 |
| Spacetrack catalog number | 25338 | 43866 |
| Radar cross section | large | |
| Epoch of two-line elements (UTC) | 2023 May 29 16:58 | 2023 May 22 09:31 |
| Time of closest approach (UTC) | 2023 Mar 24 04:30:57.552 |
| Minimum distance | 23.926 km |
| Height difference | 0.865 km |
| Relative speed | 10.380 km/s |
| Angle between velocity vectors | 88° |
| Geographic position | 78.1°S, 89.9°W |
| Height | 829 km |
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