| Official name | VANGUARD 2 |
| Alternative name | Vanguard 2 |
| Cospar ID | 1959-001A |
| Norad ID | 11 |
| Launch date | 1959-02-17 |
| Launch site | AFETR |
| RCS size | MEDIUM |
| Decay date | ON ORBIT |
| Period (min) | 121.19 |
| Inclination (deg) | 32.87 |
| Perigee (km) | 553 |
| Apogee (km) | 2915 |
| Eccentricity | 0.681084198385236 |
| Mean motion (revs. per day) | 11.8821684957505 |
| Semi-Major axis (km) | 8112.135 |
| Raan (deg) | 125.4872 |
| Arg of perigee (deg) | 345.7321 |
| Shape | Sphere |
| Mass (kg) | 9.71 |
| Height (m) | 0.51 |
| Width (m) | 0.51 |
| Depth (m) | 0.51 |
| Span (m^2) | 0.51 |
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