| Primary satellite | Secondary satellite |
| Name | ATLAS CENTAUR R/B | deb Agena D |
| Spacetrack catalog number | 38770 | 4746 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2021 Jan 12 16:37 | 2021 Jan 22 09:42 |
| Time of closest approach (UTC) | 2020 Dec 04 08:39:50.435 |
| Minimum distance | 119.923 km |
| Height difference | 7.317 km |
| Relative speed | 14.216 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 58.5°S, 91.4°E |
| Height | 675 km |
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