SP-4012 NASA HISTORICAL DATA BOOK: VOLUME III
PROGRAMS AND PROJECTS 1969-1978

 

Table 3-68. Explorer 54 Characteristics

 

Also called:

Atmospheric Explorer D

Date of launch (range):

Oct. 6, 1975 (WTR)

Launch vehicle:

Delta 2910

Shape:

polyhedron (16-sided)

Weight (kg):

675

Dimensions (m):

0.14, diameter

0.12, height

Power source:

solar cells plus NiCd battery

Prime contractor:

RCA, Astro-Electronics Div.

Date of reentry:

March 12, 1976

Responsible NASA center:

GSFC

Project director:

David W. Grimes

Project scientist:

Nelson W. Spencer

Objectives:

To obtain data relating solar ultraviolet activity to atmospheric composition in the lower atmosphere.

Experiments (responsible organization):

same as for Explorer 51

Results:

Partially successful; returned data for only 3 V2 months because of a power supply system failure; the satellite had been designed for a one-year lifetime.

 

Reference: MOR S-852-75-04, Sept. 26, 1975.


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