| Primary satellite | Secondary satellite |
| Name | NOAA 16 DEB | deb REX |
| Spacetrack catalog number | 42423 | 21691 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 19:14 | 2024 Dec 23 05:29 |
| Time of closest approach (UTC) | 2024 Dec 29 08:19:27.501 |
| Minimum distance | 2.036 km |
| Height difference | 0.746 km |
| Relative speed | 13.896 km/s |
| Angle between velocity vectors | 136° |
| Geographic position | 77.4°N, 136.6°W |
| Height | 724 km |
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