50kg satellite platform

The 50KG satellite platform is based on “smaller volume, lighter mass, and sub-meter resolution.
A high-resolution remote sensing satellite platform built with the design goal of “remote sensing imaging”. The whole satellite platform
Equipped with a high-performance communication system, the satellite can be realized through the ground operation control system.
On-orbit reconstruction. At the same time, the platform is equipped with a laser communication system, which can realize inter-satellite communication functions.

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SKU: SATPLT053U-1 Category: Tags: ,

The 50KG satellite platform has good scalability and the platform energy is rich. The platform energy system can be expanded according to the load power demand.

The 50KG satellite platform supports satellite in-orbit reconstruction. After the satellite is launched into orbit, it is uploaded through the ground operation control system to realize software function iteration, operating status switching and configuration parameter modification, thereby realizing satellite system upgrade.

The 50KG satellite platform is equipped with a laser communication system to achieve on-orbit inter-satellite communication.

The 50KG satellite platform adopts a multi-sensor attitude confirmation method of dual star sensors + dual photosensitizers + main and backup magnetometers + main and backup GNSS. It also uses a high-precision momentum wheel with a torque control accuracy of ≤0.1mNm to ensure the attitude stability of the entire satellite. 0.03°/s, the measurement accuracy is better than 0.01°, and the pointing accuracy is better than 0.1°. It can be used to perform tasks such as remote sensing and laser communications that require high attitude control.


Payload carrying mass

15-16KG

Load capacity

<15U

Load available power

<150W

Available voltage for load

3.3V / 5V / 12V / 28V

Available interfaces for payloads

CAN / RS422 / LVDS / Camera-Link / IIC / SPI

Whole star mass

50kg±3kg

Whole star power consumption

Peak power consumption 300W

Track

SSO(500Km)

Design life

3 years

Postural stability form

Three-axis stabilization

Pointing accuracy

Better than 0.1°(3σ)

Attitude determination accuracy

0.01°

Postural stability

0.01°/s(3σ)

Attitude maneuver response capability

10°/20s 15°/25s 25°/30s 45°/40s

solar array

Triple junction gallium arsenide, power input ≥190W

bus voltage

13~16.8V

Voltage stability

±5% (except Vbat)

Battery pack

20Ah (configurable)

Upward channel

4.8kbps

Downward channel

1.2kbps

Data rate

Dual channel 2*200Mbps

Temperature range

+5℃~+25℃

Propulsion method

PPT plasma electric pusher

Thrust

≤0.3mN

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