Atlas V 401

retired

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Specifications

Status: retired
Height: 58.3 m
Diameter: 3.8 m
Mass: 590,000 kg
Stages: 2
Thrust: 3,827 kN
Payload to LEO: 9,050 kg
Payload to GTO: 4,950 kg
First flight: 2002-08-21
Total launches: 41
Success / Fail: 41 / 0

Atlas V is an expendable launch system and the fifth major version in the Atlas launch vehicle family. It was developed by Lockheed Martin and has been operated by United Launch Alliance (ULA) since 2006. Primarily used to launch payloads for the United States Department of Defense, NASA, and commercial customers, Atlas V is the longest-serving active rocket in the United States.

Propulsion

Boosters

GEM 631,663 kN

solid (HTPB) · solid

Northrop GrummanIsp 279s (vac)since 20200–5 strap-ons

First stage

RD-1803,830 kN

RP-1 / LOX · staged-combustion

NPO EnergomashIsp 338s (vac)since 2000

Second stage

RL10110 kN

LH2 / LOX · expander

Aerojet RocketdyneIsp 451s (vac)since 1963Centaur

Payloads it launched

60 loaded