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Satellite

DODGE

DODGE
All data from the card 17
Mission type
Technology
Operator
NASA / USAF
COSPAR ID
1967-066F
SATCAT no.
2867
Mission duration
3 years
Manufacturer
Johns Hopkins UniversityApplied Physics Laboratory
Launch mass
200 kilograms (430 lb)
Dimensions
2.4 by 1.2 metres (7.9 by 4.0 ft)
Launch date
July 1, 1967, 13:15:01 UTC
Rocket
Titan IIIC
Launch site
Cape Canaveral LC-41
Reference system
Geocentric
Regime
MEO
Semi-major axis
39,841.6 kilometres (24,756.4 mi)
Perigee altitude
33,278.8 kilometres (20,678.5 mi)
Apogee altitude
33,662.5 kilometres (20,916.9 mi)
Inclination
11.7 degrees
The first color image of the entire Earth, taken by the DODGE satellite in August, 1967
The first color image of the entire Earth, taken by the DODGE satellite in August, 1967

DODGE (Department of Defense Gravity Experiment) was a satellite whose primary purpose was to conduct experiments in gravity-gradient stabilization at near-geosynchronous altitudes. Its secondary objectives included measuring the Earth's magnetic field, and taking pictures of the entire Earth's disk in both black-and-white and color. It was launched atop a Titan IIIC rocket on July 1, 1967, and operated for over three years. DODGE carried ten knobbed booms oriented along three different axes, that could be independently extended and retracted by ground command.

DODGE first achieved successful stabilization 12 days after launch. It took in 1967 color-filtered black-and-white images, which put together produced the very first color image of the full-disk Earth (ATS-3 often also cited, produced the first non-black-and-white filtered "true-color" image).

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Text from Wikipedia, CC BY-SA 4.0 · Source article