Helios-1

Launch Success

Liftoff Time (GMT)

07:11:00

Tuesday December 10, 1974

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Mission Details

A Star-37E kick stage was used on this mission.

Helios-A and Helios-B (also known as Helios 1 and Helios 2) are a pair of probes that were launched into heliocentric orbit to study solar processes.

Heliocentric Orbit

1 Payload

370 kilograms

Retired

Active 1974 to 1977

Agency

Rocket

Height: 48.8m

Payload to Orbit

LEO: 15,400 kg

Liftoff Thrust

12,769 Kilonewtons

Stages

3

Strap-ons

2

Cape Canaveral SFS, Florida, USA

Fastest Turnaround

15 days 22 hours

Cape Canaveral SFS, Florida, USA

Fastest Turnaround

15 days 22 hours

82nd

Mission

8th

Mission of 1974

104th

Orbital launch attempt