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File:Apollo 15 Subsatellite.jpg

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Summary

Description
English: An artist's concept showing TRW's small lunar subsatellite being ejected into lunar orbit from the SIM bay of the Apollo 15 Service Module. The 80-pound satellite will remain in orbit a year or more, carrying scientific experiments to study space in the vicinity of the moon. The satellite carries three experiments: S-Band Transponder; Particle Shadows/Boundary Layer Experiment; and Subsatellite Magnetometer Experiment. The subsatellite is housed in a container resembling a rural mailbox, and when deployed is spring-ejected out-of-plane at 4 fps with a spin rate of 140 rpm. After the satellite booms are deployed, the spin rate is stabilized at about 12 rpm. The subsatellite is 31 inches long and has a 14 inch hexagonal diameter. The exact weight is 78.5 pounds. The folded booms deploy to a length of five feet. Subsatellite electrical power is supplied by a solar cell array outputting 25 watts for dayside operation and a rechargeable silver-cadmium battery for nightside passes.
Date
Source https://images.nasa.gov/details-S71-39481; original from http://nix.larc.nasa.gov/info;jsessionid=1qs0kulic60ui?id=S71-39481&orgid=8; see also https://spaceflight.nasa.gov/gallery/images/apollo/apollo15/html/s71-39481.html
Author NASA/Johnson Space Center
Permission
(Reusing this file)		 NASA photo
This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: S71-39481.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
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Licensing

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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inception

8 July 1971

media type

image/jpeg

checksum

b4094f0ade5894482bd911d828e90985a78732ce

determination method or standard: SHA-1

data size

7,031,837 byte

height

6,220 pixel

width

8,043 pixel

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Date/TimeThumbnailDimensionsUserComment
current18:35, 25 April 2020Thumbnail for version as of 18:35, 25 April 20208,043 × 6,220 (6.71 MB)HuntsterFull resolution from NASA.
03:59, 30 October 2011Thumbnail for version as of 03:59, 30 October 20111,200 × 928 (330 KB)Craigboyhigher res http://spaceflight.nasa.gov/gallery/images/apollo/apollo15/html/s71-39481.html
20:39, 11 September 2007Thumbnail for version as of 20:39, 11 September 2007640 × 480 (50 KB)Mirecki{{Information |Description=An artist's concept showing TRW's small lunar subsatellite being ejected into lunar orbit from the SIM bay of the Apollo 15 Service Module. The 80 pound satellite will remain in orbit a year or more, carrying scientific experime

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