Proton 3a

Failure Soviet Union, UR-500

Show on globe

About this launch

The N-4 series of satellites, a.k.a. Proton-1, carried instruments to study super-high energy cosmic particles.

More about this launch

Flight profileThe climb, seen from the side · 3D replay on the globe
to orbit0 km1,210 km downrange200 km up

Watch the 3D simulation →

Launch window and padBaikonur Cosmodrome, Republic of Kazakhstan
Site
Baikonur Cosmodrome, Republic of Kazakhstan

Everything launching from Baikonur Cosmodrome →

Rocket and boosterUR-500
Vehicle
UR-500

UR-500: specs, record and next flights → Soviet Union: all its launches →

MissionAstrophysics · LEO

Astrophysics · LEO

Support NextLiftoff The site has no ads. If it's useful to you, a small tip helps pay for the server.

Suggest something

An idea, something broken, a launch with wrong data? It goes straight to me.

Only what you type and the page you're on are kept, no IP address. See the privacy policy.

Follow & remind

Follow this flight
Reminders before liftoff
Also notify me of

If the launch moves, your reminders move with it.

Follow

Every launch, as soon as it's announced.

Remind me before each launch

Reminders follow each launch when it moves. You can change this any time here or on the Notifications page.