| Primary satellite | Secondary satellite |
| Name | ATLAS 3B R/B | deb Delta 126 |
| Spacetrack catalog number | 28538 | 10874 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:01 | 2024 Dec 22 17:48 |
| Time of closest approach (UTC) | 2024 Dec 24 00:39:29.688 |
| Minimum distance | 2.824 km |
| Height difference | 0.796 km |
| Relative speed | 13.182 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 62.8°N, 179.6°W |
| Height | 1252 km |
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