Family-level launch record combining canonical variants, historical missions, public cadence forecasts, and available payload performance specs.
Historical missions are grouped by actual launch year. Forecast cadence uses family-level launch-rate rows.
| Year | Historical missions | Forecast launches |
|---|---|---|
| 1957 | 1 | 0 |
| 1958 | 6 | 0 |
| 1959 | 4 | 0 |
Payload capacity by variant and target orbit when structured capacity rows are available.
| Variant | Orbit | Capacity | Altitude | Inclination | Source |
|---|---|---|---|---|---|
No performance specsNo structured payload capacity rows are linked to this vehicle family. | |||||
Latest launched missions using variants in this family.
| Mission | Variant | Launch |
|---|---|---|
| Vanguard III Mission | Vanguard X-248 | Sep 18, 1959 |
| Launch 1959-F03 | Vanguard | Jun 22, 1959 |
| Launch 1959-F01 | Vanguard | Apr 14, 1959 |
| Vanguard II |
Canonical variants rolled up into this launch vehicle family.
| Variant | Stages | Missions | Status |
|---|---|---|---|
| Vanguard | Not stated | 10 | Unknown |
| Vanguard X-248 | Not stated | 1 | Unknown |
| Vanguard |
| Feb 17, 1959 |
| Launch 1958-U01 | Vanguard | Sep 26, 1958 |
| Launch 1958-F06 | Vanguard | Jun 26, 1958 |
| Launch 1958-F05 | Vanguard | May 28, 1958 |
| Launch 1958-F04 | Vanguard | Apr 29, 1958 |
Upcoming mission rows with announced launch timing.
| Mission | Variant | Announced |
|---|---|---|
No forecasted missionsNo upcoming announced mission rows are linked to this vehicle family. | ||