Scheduled to launch in 2nd half of 2015, TeLEOS-1 is the Singapore 1st commercial Near Equatorial Orbit (NEO) Earth Observation satellite. Operating at an altitude of 550 kilometres, the TeLEOS-1 offers 1 metre high resolution satellite imagery with an average revisit time of 6 hourly, enabling decision makers and users the convenient access to high temporal imagery and geospatial solutions, and response to time sensitive events, such as homeland security and border control, maritime situation awareness, and disaster monitoring and management around the equatorial belt.

Apart from reliable and rapid collection, the TeLEOS-1offers direct tasking, imaging and downloading, and greater imaging opportunities throughout the day. The TeLEOS-1 is an excellent complementary to existing Sun Synchronous Orbit (SSO) Earth Observation satellites, allowing the expansion of opportunities for global imagery offerings for commercial and governmental customers.

Satellite Manufacturer ST Electronics (Satellite Systems) Pte Ltd
Launch Date 2nd half 2015
Mission Life Fully redundant 5 years design life
Orbit Information Type/Period - Near Equatorial Orbit/ 90min
Inclination – 10 to 15 degrees
Altitude - 550 kilometres
Satellite Mass 440 kilograms (970 pounds)
Satellite Data Storage 256 Gbits solid state recorder
(CCSDS Compliant)
300 Mbps (X-Band)
Attitude Determination
and Control
3-axis Stabilised
Mission Control Multiple ground station support

Mean Revisit Time 12 to 16 hours
Image Resolution 1m Panchromatic (nominal at nadir)
Dynamic Range 10 bits per pixel
Swath Width 12 kilometres @ nadir
Slew Rate 2.5 degree/sec
Max Viewing Angle ± 45 degrees off-nadir nominal


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