| Primary satellite | Secondary satellite |
| Name | Vanguard 2 Rocket | deb Ariane |
| Spacetrack catalog number | 12 | 17212 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Jan 18 12:49 | 2021 Jan 18 18:59 |
| Time of closest approach (UTC) | 2020 Nov 26 16:43:40.239 |
| Minimum distance | 185.536 km |
| Height difference | -7.184 km |
| Relative speed | 13.905 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 22.6°S, 46.1°E |
| Height | 596 km |
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