| Primary satellite | Secondary satellite |
| Name | Vanguard 2 | Ariane H10-3 |
| Spacetrack catalog number | 11 | 23687 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Sep 13 12:09 | 2024 Sep 12 13:39 |
| Time of closest approach (UTC) | 2024 Aug 03 21:07:32.970 |
| Minimum distance | 336.309 km |
| Height difference | -49.154 km |
| Relative speed | 5.033 km/s |
| Angle between velocity vectors | 31° |
| Geographic position | 0.9°S, 55.8°E |
| Height | 794 km |
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