Date of launch (range):
Jan. 22, 1969 (ETR)
Launch vehicle:
Delta C (with FW-4 3d stage)
Shape:
fan-shaped sail atop a lower
wheel-like structure composed of 9 wedges with 3
stabilization arms
Weight (kg):
288.5
Dimensions (m):
0.95, height
1.10, diameter
Power source:
solar cells with NiCd
batteries
Prime contractor:
Ball Brothers Research Corp.
Date of reentry:
April 2, 1984
Responsible NASA center:
GSFC
Project manager:
J. M. Thole
Project scientist:
W. E. Behring
Objectives:
To obtain high-spectral resolution
data from the pointed experiments within the range 1-250
during a solar rotation, including faster scans of the solar
disc in selected wavelengths.
Experiments (responsible
organization):
.
X-ray spectrometer (GSFC)
Extreme ultraviolet spectroheliograph
(Naval Research Laboratory)
Solar x-ray spectroheliograph (Univ.
College, London)
Zodiacal light telescope (Univ. of
Minnesota)
X-ray monitor (NRL)
Solar far-ultraviolet radiation
monitor (Univ. of Colorado)
Low-energy gamma ray scintillation
detector (GSFC)
Results:
Successful; returned data for several
years.
Reference: MOR S-21-8-6, Nov. 19, 1968.