| Primary satellite | Secondary satellite |
| Name | Vanguard 1 | OBJECT A |
| Spacetrack catalog number | 5 | 56157 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Oct 13 09:50 | 2024 Oct 13 12:23 |
| Time of closest approach (UTC) | 2024 Sep 12 19:39:09.199 |
| Minimum distance | 68.105 km |
| Height difference | 1.892 km |
| Relative speed | 11.392 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 4.6°N, 23.0°E |
| Height | 1049 km |
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