| Primary satellite | Secondary satellite |
| Name | NOAA 12 | NOAA 16 DEB |
| Spacetrack catalog number | 21263 | 41145 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 11 14:33 | 2021 Apr 10 12:39 |
| Time of closest approach (UTC) | 2021 Mar 06 01:48:51.024 |
| Minimum distance | 25.820 km |
| Height difference | 2.349 km |
| Relative speed | 14.545 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 41.1°N, 69.6°E |
| Height | 817 km |
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