| Operator | ISRO |
|---|---|
| Major contractors | ISRO Satellite Center, LPSC |
| Mission type | Earth Observation |
| Satellite of | Earth |
| Orbital insertion date | 2001-10-22 04:53:00 UTC[1] |
| Launch date | October 22, 2001 |
| Launch vehicle | PSLV |
| Carrier rocket | PSLV C3 |
| Launch site | Satish Dhawan Space Centre |
| COSPAR ID | 2001-049A |
| Homepage | ISRO: PSLV-C3 |
| Mass | 1,108 kg |
| Power | Solar Panels |
| Batteries | Ni-Mh |
| Orbital elements | |
| Regime | Sun Synchronous Orbit |
| Eccentricity | 0.0020164193119853735[1] |
| Inclination | 97.80000305175781[1] |
| Altitude | 568 km |
| Apoapsis | 579.0 km[1] |
| Periapsis | 551.0 km[1] |
| Instruments | |
| Main instruments | X-band phased array antenna, Panchromatic Camera |
| Spatial resolution | 1 Metre |
Technology Experiment Satellite or (TES) is an experimental satellite to demonstrate and validate, in orbit, technologies that could be used in the future satellites of Indian Space Research Organization (ISRO). TES weighs 1108 kg and was successfully placed in 568 km sun synchronous orbit on October 22, 2001 using the PSLV-C3 version of Polar Satellite Launch Vehicle. PSLV-C3 also injected two more satellites: PROBA , a Belgian satellite and BIRD, a German satellite.
The technologies demonstrated in TES are attitude and orbit control system, high torque reaction wheels, new reaction control system with optimized thrusters and a single propellant tank, light weight spacecraft structure, solid state recorder, X-band phased array antenna, improved satellite positioning system, miniaturized TTC and power system and, two-mirror-on-axis camera optics.
The Technology Experiment Satellite (TES) has a pan chromatic camera for remote sensing. The camera is which is capable of producing images of 1 meter resolution. 1 m resolution means the camera is able to distinguish between two objects which are separated at least a meter.
The launch of TES made India the second country in the world after the United States that can commercially offer images with one meter resolution.[2] It is used for remote sensing of civilian areas, mapping industry and geographical information services.
TES, which was launched in 2001, helped the US army with high-resolution images during the 9/11 counter against the Taliban.
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