| Primary satellite | Secondary satellite |
| Name | deb Explorer IX | deb Agena D |
| Spacetrack catalog number | 85 | 4677 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Jan 14 10:02 | 2021 Jan 15 10:05 |
| Time of closest approach (UTC) | 2020 Dec 01 06:46:48.186 |
| Minimum distance | 116.193 km |
| Height difference | 2.400 km |
| Relative speed | 13.224 km/s |
| Angle between velocity vectors | 131° |
| Geographic position | 27.0°S, 38.2°E |
| Height | 1047 km |
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