Presenting Geoscan 1U and Geoscan 3U

The CubeSats are designed for the conduct of school and university experiments in near-Earth space

CubeSat Geoscan 1U

  • 0.8-1.0 kg assembled weight
  • 1.33 kg max weight including payload
  • 110х110х113.5 mm dimensions folded

Geoscan 1U specifications

Assembled weight (without a payload) 0.8-1.0 kg
Maximum weight including а payload 1.33 kg
Dimensions folded 110х110х113.5 mm
Maximum weight of a payload 0.33…0.50 kg
Available volume for a payload 82х82х60 mm
Available supply for a payload 12 V / 2 А
5 V / 3 А
Payload average power at LEO 500 mW
Available maximum output of a payload Up to 35 W
Storage battery capacity  40 W*h
Battery type Li-ion 2S 7200 mAh
Battery nominal voltage 7.4 V
Number of solar panels 5 pcs
Peak output produced on 1 solar panel in LEO 1.5 W
Onboard interface I2C, UART
Payload interface UART / CAN / RS-485
Control radio channel frequency 435-438 MHz, frequency modulation
Data transmission speed through radio channel 1200, 2400, 4800, 9600, 14400, 19200 bit/s 
High-speed transmitter frequency 10.4 GHz, frequency modulation
High-speed radio channel data rate Up to 1 Mbit/s 
Stabilization system Electromagnetic
Orientation determination 2 three-axis magnetometers, 6 solar sensors
Orientation modes Stabilization of rotation, pointing to the Sun or to the Earth coordinates according to a program
Accuracy of orientation system
Design lifetime At least 2 years

CubeSat payloads

  1. remote sensing cameras;
  2. small scientific instruments.

Scientific instruments are used in order to monitor electron, proton and nucleus flows, ultraviolet, and gamma rays in the Earth’s upper atmosphere and also for carrying out biological experiments.

The tasks for the CubeSats

  • training school and university students in the design, programming and assembly of real spacecrafts;
  • following their test flights in LEO (low Earth orbit);
  • organising competitions and experiments via the amateur radio frequency network.


The CubeSats Geoscan 1U and Geoscan 3U are being developed within the parameters of the Russian educational project for the creation of satellite constellation (Space-π) for student career guidance which is supported by the Innovation Assistance Foundation.

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