| Primary satellite | Secondary satellite |
| Name | Vanguard 2 | ORBCOMM FM 115 |
| Spacetrack catalog number | 11 | 41186 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2025 Dec 08 16:26 | 2025 Dec 09 02:58 |
| Time of closest approach (UTC) | 2024 Nov 14 03:47:59.497 |
| Minimum distance | 4779.784 km |
| Height difference | 119.581 km |
| Relative speed | 10.823 km/s |
| Angle between velocity vectors | 88° |
| Geographic position | 4.4°N, 14.8°E |
| Height | 565 km |
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