Jilin-1SP03

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The main task of Jilin-1SP03 is to acquire visible light video data of high-resolution earth observation in the world. The satellite is designed as integration of satellite-borne, and it fully inherits the development technological proposals and matured products of Jilin-1SP01 and Jilin-1SP02. Based on the feedback of users and market, its central computer, loading, power supply, and data transmission subsystem are updated, which improves Video Satellite's operational capability and increases air breathing propulsion system for orbit maintenance.

 


Table 1 the key technical indexes of Jilin-1SP03

Parameters

Indexes

Ground pixel resolution

0.92m (track height 535.35km)

Imaging picture

11km×4.5km

Imaging mode

Gaze Video

Maneuvering smoothness

0.003°/s(3σ)

Maneuvering pointing accuracy

0.1°(3σ)

Transmitting state envelope size

1085mm×553mm×1340mm

Long-term power consumption

≤55W

Observe and control

Standard USB TT&C System

Upstream rate 2000bps, and downstream 4096bps

Data transmission

X frequency band, 350Mbps