Solrad 3 - Injun 1

USA

First 3 satellites launched together, Solrad 3/Injun 1 didn′t separated.
Solrad 3 also called: GREB 3

Launch data:

Designation00117 / 1961 Omicron2 / 61015B
Launch date29 Jun 1961 - 4:22 UT
Launch siteCC, LC17B
Launch vehicle Thor-DM21 Ablestar (#315 AB008)
MissionScientific: measure the sun's x-ray / ionosphere study
Earth orbit on Jun 29, 1961 (.2):
Perigee / Apogee 882 x 999 km
Eccentricity 0.008
Inclination 66.82 deg
Period 103.85 min
Earth orbit on May 28, 2000 (.46):
Perigee / Apogee 879 x 984 km
Eccentricity 0.007
Inclination 66,81°
Period 103,65 min

Transit 4A with Solrad 3 & Injun1


Launched together with: Transit 4A

Spacecraft data:

Prime manufactor 
Platform 
Operator 
Mass at launch25 + 16 kg
Dry Mass  kg
Basic shape  Sphere-cylinder
Dimension (m) 0.9 long, 0.51 dia
Equipment 
Solar array 
Stabilization  
Propulsion 
DC power  
Design lifetime  900 yrs

Satellite tracking:

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