NIUSAT
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A nano Satellite |
Developed by Noorul Islam University , Kumaracoil, Thukkalay, Kanyakumari District, Tamil Nadu, under the technical guidance and support from ISRO |
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Mission objectives |
Imaging Earth in visible range |
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Payload |
Indigenously developed 3 Band (RGB) multispectral camera - 30M resolution and 60 square km area |
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Structure |
Satellite dimensions: 348 mm x 348 mm x 370 mm Material: AL6061-T6 for side panels |
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Satellite mass: ~14.93 kg |
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Attitude stabilization system |
3 axis attitude stabilization Reaction Wheel : Maximum momentum storage = 30 mNms Maximum torque = 1.5 mNm Pointing Accuracy: = ±0.5o (about all 3 axes) Drift rate: = ±0.02o/s (max.) (about all 3 axes) |
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Sensors: 1) Tri-axial magnetometer Range: ±1.3 G, Resolution: ±92 µG, Error (1s): 0.1 mG 2) 8 Sun-sensors mounted in orthogonal pairs on four Aluminum housings FOV: 120o 3) Gyroscope : Digital Resolution- 0.02o / sec Operation Range +/- 450 o / sec |
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Actuator: Magnetic torquer Maximum magnetic Dipole (B) =3.75 mA sq. meter
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On-board computer |
High performance dual core 32 bit E200 power architecture |
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2MB code Flash Memory with ECC 16 GB storage flash for payload data |
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Support I^2 C ,CAN, SPI, and UART ports |
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Support software timers and WDT |
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House-keeping Sensors |
12 Temperature sensors |
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RF Communication |
HKTM data transmitter in UHF ( 420-450 MHz) |
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Tele-command receiver in VHF (144-148 MHz) |
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Antennas: Monopole antenna for UHF/VHF data transmission and Reception
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High gain patch antenna for S-Band transmitter ; 2200MHz to 2500MHz |
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Downlink (Demodulation, & data rate): FSK and AFSK for TM,& 1200 bps |
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Uplink (Modulation, & data rate): FSK & AFSK, & .5Kbps to 80 Kbps |
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Battery |
Li-ion cells pack, 2 Battery 5Ah |
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Capacity: 10Ah |
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Solar Array |
Distribution: Total 4 Multi junction solar cells based solar array with deployable panels.40 W power generation using $ numbers of deployable and sun tracking solar panels. Power generation: 40 W (average) |
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Thermal management |
Passive and active thermal control system |
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Satellite Separation System |
IBL-230 (ISRO-VSSC developed and qualified) |
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Altitude/ orbit |
560-880 km, Polar |
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Inclination |
97-99 deg |
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Launch date & lift-off time |
23rd June 2017, 9:30 Hrs IST |
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Launch vehicle |
PSLV-C38 |
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Launch site |
SHAR Centre, Sriharikota, India |