| Primary satellite | Secondary satellite |
| Name | NOAA 15 | Star 26B S/N 003 |
| Spacetrack catalog number | 25338 | 6276 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Feb 27 20:08 | 2021 Feb 27 18:58 |
| Time of closest approach (UTC) | 2021 Jan 23 00:34:21.677 |
| Minimum distance | 6.624 km |
| Height difference | 1.925 km |
| Relative speed | 14.695 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 20.8°S, 98.3°E |
| Height | 818 km |
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