1958 · US Navy

Vanguard

failureVanguard | Vanguard

Vanguard was an American satellite and the fourth artificial Earth orbital satellite to be launched. It was the first satellite to have solar electric power.

Overview

Date / time: September 26, 1958 at 03:38 PM UTC
Outcome: failure
Launch site: Launch Complex 18A
Mission: Vanguard
Mission type: Earth Science
Orbit achieved: Medium Earth Orbit