Mariner 4 facts for kids
The Mariner 4 spacecraft
|Mission type||Mars flyby|
|Operator||NASA / JPL|
|Mission duration||3 years, 23 days|
|Manufacturer||Jet Propulsion Laboratory|
|Launch mass||260.8 kilograms (575 lb)|
|Power||310 watts (at Mars encounter)|
|Start of mission|
|Launch date||November 28, 1964, 14:22:01UTC|
|Rocket||Atlas LV-3 Agena-D|
|Launch site||Cape Canaveral LC-12|
|End of mission|
|Last contact||December 21, 1967|
|Semi-major axis||199,591,220 kilometers (124,020,230 mi)|
|Perihelion||165,611,300 kilometers (102,906,100 mi)|
|Aphelion||233,571,130 kilometers (145,134,370 mi)|
|Flyby of Mars|
|Closest approach||July 15, 1965, 01:00:57 UTC|
|Distance||9,846 kilometers (6,118 miles)|
Mariner 4 was a NASA spacecraft. It was the fourth spacecraft in the Mariner program. It was sent on a Mars flyby mission. It was the first successful mission to Mars. The spacecraft was launched on November 28, 1964 at Cape Canaveral Air Force Station. Mariner 4 reached Mars after an eight-month journey. The spacecraft became the first spacecraft to take close-up photographs of another planet. The spacecraft also had other instruments to study the atmosphere of Mars.
The total cost of the Mariner 4 mission is estimated at $83.2 million. Total research, development, launch, and support costs for the Mariner series of spacecraft (Mariners 1 through 10) was approximately $554 million.
Images for kids
Jack N. James (center), JPL's Mariner 4 Project Manager, with a group in the White House presenting the spacecraft's famous picture Number 11 of Mars to US President Lyndon B. Johnson (center right) in July 1965.
Mariner 4 Facts for Kids. Kiddle Encyclopedia.