| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | NOAA 16 DEB |
| Spacetrack catalog number | 12172 | 41502 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 00:38 | 2024 Dec 21 22:26 |
| Time of closest approach (UTC) | 2024 Dec 25 20:44:40.976 |
| Minimum distance | 3.525 km |
| Height difference | 0.726 km |
| Relative speed | 3.940 km/s |
| Angle between velocity vectors | 31° |
| Geographic position | 81.0°S, 76.6°E |
| Height | 848 km |
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