Juno-I — mission imagery
Back to launches
Failure

Explorer 2

Juno-IArmy Ballistic Missile AgencyLaunch Complex 26A
Wednesday, March 5, 1958 · 06:27 PM UTCAdd to Calendar

This mission is complete.

Vehicle

Juno-I

Profile →

Vehicle details are not available yet.

HeightN/A
LEO PayloadN/A
Launches12
Successes5

Provider

Army Ballistic Missile Agency

Profile →

Provider details are not available yet.

Mission Brief

Small satellite similar to Explorer 1. It failed to reach orbit due to a fourth stage failure.

PayloadExplorer 2
OrbitLow Earth Orbit
CustomerArmy Ballistic Missile Agency
Stages0
PadLaunch Complex 26A, Cape Canaveral SFS, FL, USA

Mission Timeline

14 / 14100%
Site lock

Launch Site

Launch Complex 26A, Cape Canaveral SFS, FL, USA

LAUNCH SITE
28.443°N, 80.571°W

Schedule History

No delays or schedule changes recorded.

Upcoming Launches

Long March 2F/G rocket
Go

Shenzhou 23

Long March 2F/G
China Aerospace Science and Technology Corporation
Launch Area 91 (SLS-1 / 921)
May 24, 2026 · 03:08 PM UTC
00
00
00
00
Falcon 9 Block 5 rocket
Go

Starlink Group 10-47

Falcon 9 Block 5
SpaceX
Space Launch Complex 40
May 25, 2026 · 11:41 AM UTC
00
00
00
00
Falcon 9 Block 5 rocket
Go

Starlink Group 17-37

Falcon 9 Block 5
SpaceX
Space Launch Complex 4E
May 26, 2026 · 02:00 PM UTC
00
00
00
00

More from Army Ballistic Missile Agency

Juno II rocket
Failure

S-45A

Juno II
Army Ballistic Missile Agency
Launch Complex 26B
May 24, 1961 · 07:48 PM UTC
Failure
Juno II rocket
Success

Explorer 11

Juno II
Army Ballistic Missile Agency
Launch Complex 26B
Apr 27, 1961 · 02:16 PM UTC
Success
Juno II rocket
Failure

S-45

Juno II
Army Ballistic Missile Agency
Launch Complex 26B
Feb 25, 1961 · 12:13 AM UTC
Failure