Hubble Space Telescope solar arrays

E261934
photovoltaic power system spacecraft solar array

The Hubble Space Telescope solar arrays are large, wing-like photovoltaic panels that provide electrical power to the Hubble observatory while in Earth orbit.

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All labels observed (4)

Label Occurrences
Hubble Space Telescope solar arrays canonical 1
Hubble solar array drive electronics 1
Hubble solar arrays 1

Statements (48)

Predicate Object
instanceOf photovoltaic power system ⓘ
spacecraft solar array ⓘ
associatedWith Hubble Space Telescope servicing mission ⓘ
surface form: Hubble Space Telescope servicing missions
connectedTo Hubble Space Telescope power distribution system ⓘ
convert sunlight to electricity ⓘ
designedFor Sun-synchronous pointing relative to spacecraft attitude ⓘ
designedTo minimize pointing disturbances ⓘ
operate for many years in space environment ⓘ
enable battery charging for orbital night operations ⓘ
continuous operation of Hubble instruments during orbital day ⓘ
environmentalExposure micrometeoroids ⓘ
space radiation ⓘ
thermal cycling ⓘ
vacuum ⓘ
experiencedIssue jitter due to flexing in and out of Earth’s shadow ⓘ
structural oscillations affecting pointing stability ⓘ
finalServicingMission STS-125 ⓘ
surface form: STS-125 (Servicing Mission 4, 2009)
firstInstalled 1990 ⓘ
firstReplacementMission STS-61 ⓘ
surface form: STS-61 (Servicing Mission 1, 1993)
internationalContribution European Space Agency ⓘ
surface form: European Space Agency (original arrays)
launchedWith STS-31 ⓘ
surface form: Space Shuttle Discovery STS-31
locatedOn exterior of Hubble Space Telescope ⓘ
material more radiation-resistant solar cells (later arrays) ⓘ
silicon solar cells (original arrays) ⓘ
missionRole primary power source for Hubble Space Telescope ⓘ
mounting two opposite wings on telescope body ⓘ
numberOfWings 2 ⓘ
operateIn low Earth orbit ⓘ
operator NASA ⓘ
orbitingBody Earth ⓘ
orientation deployable panels ⓘ
originalDesignBy European Space Agency ⓘ
originalType flexible roll-out solar array ⓘ
partOf Hubble Space Telescope ⓘ
powerOutput approximately 2,400 watts at end of life (post-SM4 configuration) ⓘ
approximately 4,500 watts at launch (original arrays, beginning of life) ⓘ
approximately 4,800 watts at beginning of life (post-SM4 configuration) ⓘ
provide electrical power ⓘ
replacedBy rigid, smaller, more efficient solar arrays in 1993 ⓘ
third-generation solar arrays in 2002 ⓘ
secondReplacementMission STS-109 ⓘ
surface form: STS-109 (Servicing Mission 3B, 2002)
shape wing-like ⓘ
status operational (as of mid-2020s) ⓘ
storeEnergyVia spacecraft batteries ⓘ
supplyPowerTo Hubble Space Telescope science instruments ⓘ
surface form: Hubble Space Telescope scientific instruments

Hubble Space Telescope support systems ⓘ
trackingCapability Sun-tracking ⓘ
use photovoltaic cells ⓘ

Referenced by (4)

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

STS-109 → componentReplaced → Hubble Space Telescope solar arrays ⓘ
Hubble Space Telescope science instruments → include → Hubble Space Telescope solar arrays ⓘ
this entity surface form: Solar Array Drive Mechanism sensors
Hubble Space Telescope Power Control Unit → connectedTo → Hubble Space Telescope solar arrays ⓘ
this entity surface form: Hubble solar array drive electronics
Hubble Space Telescope Servicing Mission 3B → replacedComponent → Hubble Space Telescope solar arrays ⓘ
this entity surface form: Hubble solar arrays