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Specifications

Chandrayaan-1 spacecraft
Chandrayaan-1. Image: ISRO
Mass1,380 kg at launch, 675 kg in lunar orbit, 523 kg after releasing the impactor
DimensionsCuboid, approximately 1.5 m per side
CommunicationsX band, 0.7 m diameter dual-gimballed parabolic antenna for payload data. Telemetry, Tracking & Command (TTC) in S band
PowerSolar array of 2.15 × 1.8 m generating 750 W peak, stored in a 36 A·h lithium-ion battery for eclipses
PropulsionBipropellant integrated propulsion system: one 440 N engine and eight 22 N thrusters; two 390-litre fuel/oxidiser tanks
Navigation & control3-axis stabilised using two star sensors, gyroscopes and four reaction wheels
Launch vehiclePSLV-XL (PSLV-C11), 44.4 m tall, four stages
Payloads11 scientific instruments (5 Indian, 6 international) β€” see Payloads

Source: Wikipedia β€” Chandrayaan-1 Specifications