Sattelite platform SXC12

Sattelite platform SXC12

Article: SXC12

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The SXC12 nano-satellite platform is a universal, combinable set of on-board service systems and structural elements for the development of a small satellite in the CubeSat 12U format and is available for launch in standard production containers. The set of onboard systems has a flexible configuration and may include:

• main and backup onboard computer (OBC),

• main and backup power supply systems (PSS),

• main and backup telemetry and telecommand transceivers,

• main and backup batteries,

• on-board network, flywheel unit,

• high-speed radio link transmitter,

• up to 2 star and up to 6 solar sensors,

•  Payload integration unit,

•  structure

and other systems, if necessary.

Parameters

Functioning orbit

Circular working orbit altitude, km

LEO to 600

Active period, years

not less than 1.5 (up to 3)

Separation method

Standard container CubeSat 12U

Method of withdrawal

Main payload ( group launch), associated payload

General parameters

Outer dimensions  (with separation springs pressed-in) nominal, mm

226.3x226.3x340.5

Maximum mass,  no more than, kg

24

Operational temperature range

-30...+60 °С

Power supply system

Battery type

Li-Ion 

Battery capacity, W*h

120

Onboard bus voltage, V

6.0..8.4

Max battery current, A

10

Peak power, allocated on one FEP on LEO, not less, W

50

Service radio channel

Type

Двухсторонний, космос-Земля, Земля-космос

Service radio frequency, MHz

 400-401 

Modulation type

Frequency modulation

Transmitter power, not less, dBm

30 

Receiver sensitivity, not worse, dBm

-113 

Protocol

 USP (with using FEC)

Data rate, bps

 to 57600, 9600  (on launch)

Antenna  type  

Unfolding

Polarization 

Linear

Antenna gain, dBi

3 dBi

ADCS

ADCS algorithms

B-DOT, sun orientation, nadir, point trace

Sensors

Star tracker, Sun sensors, GPS, Angular velocity sensor, Magnetometer, temperature sensors

ADCS pointing accuracy

up to 0,1°

Maintaining orientation accuracy

up to 0,1°

Stabilization accuracy during shooting

up to 0,01°

The presence of a propulsion system

gas PS correction

Accuracy of binding the payload axis to geographic coordinates, not worse, m

40

High frequency downlink radio channel

Type

one-way, space-Earth

Frequency range,GGhz

 8-8.4 

Output power, not less,dBm

30 

Data rate,Mbit/s

up to 100

Modulation type

QPSK, 8PSK, 16APSK

Protocol

DVB-S2 — ETSI EN 302 307-1 v1.4.1

 

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