Explorer 2
Explorer 2 was an attempted U.S. Army scientific-satellite mission using a payload derived from Explorer 1. It was intended to continue measurements of cosmic radiation, temperature, and micrometeorite activity during the International Geophysical Year.
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Identity
- Aliases
- Explorer IIRS-26 payload
- Name
- Explorer 2
- Slug
- explorer-2
- Status
- failed
Details
- Astronauts
- -
- Description
- Explorer 2 was an attempted U.S. Army scientific-satellite mission using a payload derived from Explorer 1. It was intended to continue measurements of cosmic radiation, temperature, and micrometeorite activity during the International Geophysical Year.
- End Date
- 1958-03-05
- Launch Site
- Outcome
- The Juno I first three stages performed, but the fourth stage failed to ignite. Explorer 2 did not reach orbit and the scientific mission ended during launch.
- Program
- Explorer
- Start Date
- 1958-03-05
- Vehicle Families
Links
Assets & Meta
- Creation Time
- July 18, 2026 at 18:38:14 UTC
- Updated Time
- July 18, 2026 at 18:38:14 UTC
Other
- Affiliations
- Space Stations
- -
- Vehicles