Helios 1

E135179

Helios 1 was a 1970s joint German–American solar probe designed to study the Sun’s environment from a highly elliptical orbit closer than Mercury.

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All labels observed (2)

Label Occurrences
Helios 1 canonical 5
Helios solar probes 1

Statements (46)

Predicate Object
instanceOf solar probe
space probe
uncrewed spacecraft
aphelionDistance 0.98 astronomical unit
closestApproachToSun inside Mercury’s orbit
collaboration joint German–American mission
communicationBand S-band
countryOfOrigin United States of America
West Germany
dataType in-situ solar environment measurements
epoch 1970s
followedBy Helios 2
lastContact 1985-02-10
launchDate 1974-12-10
launchSite Cape Canaveral Space Force Station
surface form: Cape Canaveral Air Force Station

Launch Complex 41
launchVehicle Titan IIIE
manufacturer Alenia Aeronautica
surface form: Aeritalia

Messerschmitt-Bölkow-Blohm
mass about 370 kilograms
missionEnd 1985-02-10
missionType heliophysics mission
solar wind research
notableAchievement first spacecraft to approach the Sun closer than Mercury’s orbit
operator German Aerospace Center (DLR)
surface form: German Aerospace Center

NASA
orbitEccentricity highly elliptical
orbitsThe Sun
orbitType heliocentric orbit
perihelionDistance 0.31 astronomical unit
powerSource solar panels
primaryObjective study cosmic rays
study interplanetary magnetic field
study solar energetic particles
study solar wind
program Helios program
scientificInstruments cosmic ray detector
magnetometer
micrometeoroid detector
plasma experiment
solar wind analyzer
shape spin-stabilized cylinder
spaceAgencyPartner German Aerospace Center (DLR)
surface form: DFVLR

Goddard Space Flight Center
surface form: NASA Goddard Space Flight Center
spacecraftBus custom Helios bus
stabilization spin-stabilized

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Titan IIIE notablePayload Helios 1
Titan IIIE notablePayload Helios 1
this entity surface form: Helios solar probes
Titan IIIE firstLaunchPayload Helios 1
Helios 2 precededBy Helios 1
Helios program hasPart Helios 1