Perspectives Tutor: Elspeth Cordell. Outcomes for the lesson.
STARCAL Satellite Intro Prepared By: Cordell Grant Date: December 6, 2012.
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STARCAL Satellite Intro STARCAL Satellite Intro Prepared By: Cordell Grant Prepared By: Cordell Grant Date: December 6, 2012 Date: December 6, 2012
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Transcript of STARCAL Satellite Intro Prepared By: Cordell Grant Date: December 6, 2012.
STARCAL Satellite IntroSTARCAL Satellite Intro
Prepared By: Cordell GrantPrepared By: Cordell Grant
Date: December 6, 2012Date: December 6, 2012
ArchitectureArchitecture
UTIAS/SFL Confidential and ProprietaryUTIAS/SFL Confidential and Proprietary 22
OptionalDedicated
PowerLine/Switch
for RFPayload
Power Board
Attitude Determination and Control Computer
Housekeeping Computer
Magnet-ometer
Sun Sensors (6)
Reaction Wheels (3)
Magnetic Torquers (3)
BCDR0
BCDR1
UHF Receiver
S-band Transmitter
Startracker
Payload(Optical & Radio)
Communi-cations
Attitude Determination
Attitude Control
Power
Command & Data Handling
Payload
Power
Data
Power & Data
Unused
STARCAL Architecture
SFL-STC-SYS-D001 v1.0
Coax
Antenna
Battery0
Battery1
GPS Receiver
Solar Arrays (6)
Author: Cordell Grant
Date: Oct 2, 2012
Spacecraft Test Port
External ViewExternal View
UTIAS/SFL Confidential and ProprietaryUTIAS/SFL Confidential and Proprietary 33
Radiator
Startracker
Magnetometer
GPS Antenna
Downlink Ant. (1/2)
Uplink Ant. (1/4)
Sun Sensor (1/6)
Solar Cell (1/16)
Z
YX
External ViewExternal View
UTIAS/SFL Confidential and ProprietaryUTIAS/SFL Confidential and Proprietary 44
Sphere Aperture
RF Payload Antenna
Z
YX
Payload VolumePayload Volume
UTIAS/SFL Confidential and ProprietaryUTIAS/SFL Confidential and Proprietary 55
YXZ Z
GNB InternalPayload Volume(External Access
on X faces)
Internal ViewInternal View
UTIAS/SFL Confidential and ProprietaryUTIAS/SFL Confidential and Proprietary 66
Startracker
UHF Receiver
S-Band Transmitter
Power Board
Computers
GPS Antenna
YX
Z
Test Port
Radiator
Internal ViewInternal View
UTIAS/SFL Confidential and ProprietaryUTIAS/SFL Confidential and Proprietary 77
Reaction Wheels (3)
GPS ReceiverBatteries & BCDRs (2)
SeparationSwitches
SphereRF Payload
Antenna
Z
YX
NotesNotes• The bus is a 20cm cubeThe bus is a 20cm cube• Magnetometer and UHF antennas a pre-deployedMagnetometer and UHF antennas a pre-deployed• Except for the payload, everything has flown in Except for the payload, everything has flown in
space already in this configuration.space already in this configuration.• The payload has external access on the X axis The payload has external access on the X axis
faces only.faces only.• The sphere is shown for scale. Things might be The sphere is shown for scale. Things might be
tight when the ports are actually populated.tight when the ports are actually populated.• Startracker is shown without baffling because Startracker is shown without baffling because
operating conditions are always in eclipse.operating conditions are always in eclipse.
UTIAS/SFL Confidential and ProprietaryUTIAS/SFL Confidential and Proprietary 88
