| Primary satellite | Secondary satellite |
| Name | Vanguard 2 | ONEWEB-0250 |
| Spacetrack catalog number | 11 | 48968 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2026 Jan 15 02:27 | 2026 Jan 15 02:34 |
| Time of closest approach (UTC) | 2025 Dec 17 20:10:32.047 |
| Minimum distance | 52.241 km |
| Height difference | -7.131 km |
| Relative speed | 12.487 km/s |
| Angle between velocity vectors | 115° |
| Geographic position | 18.4°N, 52.9°E |
| Height | 1171 km |
|