Retired· Convair

SM-65B Atlas

The Convair SM-65B Atlas, or Atlas B, also designated X-12 was a prototype of the Atlas missile.

Follow Atlas B in the app

Launches

since Jul 1958

Success rate

100%

1 of 1 successful

In a row

successful launches

Launches per Year

Full year2026 so far

Specifications

Height: 31.4 m
Diameter: 3.66 m
Liftoff mass: 3 t
To low Earth orbit: 68 kg
Stages: 1
First flight: July 19, 1958
Manufacturer: Convair

Next Launches

No Upcoming Launches

No launch is scheduled for this vehicle right now.

Space Launch Now for iOS and Android

Follow Atlas B and get a notification before each of its launches.

See what's in the app

Scan to open on your phone

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Retired· Convair

SM-65B Atlas

The Convair SM-65B Atlas, or Atlas B, also designated X-12 was a prototype of the Atlas missile.

Follow Atlas B in the app

Launches

since Jul 1958

Success rate

100%

1 of 1 successful

In a row

successful launches

Launches per Year

Full year2026 so far

Specifications

Height: 31.4 m
Diameter: 3.66 m
Liftoff mass: 3 t
To low Earth orbit: 68 kg
Stages: 1
First flight: July 19, 1958
Manufacturer: Convair

Next Launches

No Upcoming Launches

No launch is scheduled for this vehicle right now.

Recent Launches

Dec18Thu

Atlas B | SCOREUS Army · SM-65B Atlas · Launch Complex 11, Cape Canaveral SFS, FL, USALaunch Successful11:02 PM UTC

All 1 Atlas B launches

Space Launch Now for iOS and Android

Follow Atlas B and get a notification before each of its launches.

See what's in the app

Scan to open on your phone

Launches per Year

Specifications

Next Launches

No Upcoming Launches

Every Atlas B, Before It Flies.

Launches per Year

Specifications

Next Launches

No Upcoming Launches

Recent Launches

Every Atlas B, Before It Flies.

Recent Launches