Juno II

In-active

Army Ballistic Missile Agency (ABMA)

Dec. 6, 1958

Description

Juno II was an American space launch vehicle used during the late 1950s and early 1960s. It was derived from the Jupiter missile, which was used as the first stage.

Specifications
  • Minimum Stage
    3
  • Max Stage
    4
  • Length
    24.0 m
  • Diameter
    2.67 m
  • Fairing Diameter
    ―
  • Launch Mass
    55.0 T
  • Thrust
    654.0 kN
Family
  • Name
    Juno II
  • Family
    ―
  • Variant
    ―
  • Alias
    ―
  • Full Name
    Juno II
Payload Capacity
  • Launch Cost
    ―
  • Low Earth Orbit
    41.0 kg
  • Geostationary Transfer Orbit
    ―
  • Direct Geostationary
    ―
  • Sun-Synchronous Capacity
    ―

Army Ballistic Missile Agency

Government
None
ABMA

The Army Ballistic Missile Agency was formed to develop the U.S. Army's first large ballistic missile. The agency was established at Redstone Arsenal on 1 February 1956, and commanded by Major General John B. Medaris with Wernher von Braun as technical director.

Previous Flights

flew on 10 previous launch(es).

Juno II | S-45A

Army Ballistic Missile Agency | United States of America
Cape Canaveral SFS, FL, USA
May 24, 1961, 7:48 p.m.
Status: Launch Failure
Unknown Mission

There are no mission or payload details available for this launch.

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Juno II | Explorer 11

Army Ballistic Missile Agency | United States of America
Cape Canaveral SFS, FL, USA
April 27, 1961, 2:16 p.m.
Status: Launch Successful
Unknown Mission

There are no mission or payload details available for this launch.

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Juno II | S-45

Army Ballistic Missile Agency | United States of America
Cape Canaveral SFS, FL, USA
Feb. 25, 1961, 12:13 a.m.
Status: Launch Failure
Unknown Mission

There are no mission or payload details available for this launch.

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Juno II | Explorer 8

Army Ballistic Missile Agency | United States of America
Cape Canaveral SFS, FL, USA
Nov. 3, 1960, 5:23 a.m.
Status: Launch Successful
Mission:

A research satellite intended to study a number of space phenomenon.

Medium Earth Orbit
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Juno II | NASA S-46

Army Ballistic Missile Agency | United States of America
Cape Canaveral SFS, FL, USA
March 23, 1960, 1:35 p.m.
Status: Launch Failure
Mission:

Explorer 5 was a United States satellite with a mass of 15.7 kg. It was the last of the original series of Explorers built, designed, and operated by the Jet Propulsion Laboratory.

Medium Earth Orbit
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Juno II | Explorer 7

Army Ballistic Missile Agency | United States of America
Cape Canaveral SFS, FL, USA
Oct. 13, 1959, 3:30 p.m.
Status: Launch Successful
Mission:

Explorer 7 was designed to measure solar x-ray and Lyman-alpha flux, trapped energetic particles, and heavy primary cosmic rays. Secondary objectives included collecting data on micrometeoroid penetration, molecular sputtering and studying the Earth-atmosphere heat balance.

Low Earth Orbit
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Juno II | Beacon

Army Ballistic Missile Agency | United States of America
Cape Canaveral SFS, FL, USA
Aug. 15, 1959, 12:31 a.m.
Status: Launch Failure
Mission:

Beacon 2 was launched an a three stage Juno 2 rocket. The vehicle ran into trouble three minutes into flight and an array of failures caused the GNC system to fail causing the satellite to fall short of orbit.

Low Earth Orbit
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Juno II | NASA S-1

Army Ballistic Missile Agency | United States of America
Cape Canaveral SFS, FL, USA
July 16, 1959, 5:37 p.m.
Status: Launch Failure
Mission:

The S-1 satellite was a geoscience satellite equipped with a suite of scientific instruments to study the environment around the Earth. It was destroyed 5 seconds into launch when the launch vehicle exploded due to an issue with the launch vehicles power supply.

Elliptical Orbit
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Juno II | Pioneer 4

Army Ballistic Missile Agency | United States of America
Cape Canaveral SFS, FL, USA
March 3, 1959, 5:10 a.m.
Status: Launch Successful
Mission:

Pioneer 4 was a spin-stabilized spacecraft intended as a lunar probe and successfully performed a fly by of the moon at a height of 58983km. Unfortunately it didn't come close enough to trigger its photoelectric sensor.

Lunar flyby
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Juno II | Pioneer 3

Army Ballistic Missile Agency | United States of America
Cape Canaveral SFS, FL, USA
Dec. 6, 1958, 5:44 a.m.
Status: Launch Successful
Mission:

Pioneer 3 was a spin-stabilized spacecraft intended as a lunar probe but failed to perform a lunar flyby as planned. Its mission was revised to measure radiation in the outer Van Allen radiation belts.

Lunar flyby
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