Skip to content
79,433 pages · 13,741 images · since 1994 Browse A–Z Today in space history
Encyclopedia Astronautica The full story of spaceflight
Encyclopedia entry

TES

Spacecraft · India

Original archive entry. The text, images and links below are kept as they were written.

TES
TES

Indian military surveillance satellite. TES was an imaging satellite equipped with cameras and instruments to test military reconnaissance satellite technology. Earth Observing, Technology satellite for ISRO, India. Launched 2001. Used IRS-1 Bus.

It was probably based on the IRS remote sensing satellite and carried a one-meter resolution panchromatic camera. India decided to develop an independent indigenous reconnaissance satellite capability after the 1999 incursion of Pakistani troops into disputed territory in Kashmir caught it by surprise. TES was developed by ISRO, the Indian Space Research Organization.

More at: TES.

Country
India
Launch Vehicles
PSLV
Agency
ISRO
Bibliography
2, 296, 11885, 13272

Chronology

1 event

2001 October 22

04:53 GMT - . Launch Site: Sriharikota. Launch Complex: Sriharikota PSLV. Launch Vehicle: PSLV.
  • TES - . Mass: 1,108 kg (2,442 lb). Nation: India. Agency: ISRO. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: IRS. Spacecraft: TES. USAF Sat Cat: 26957 . COSPAR: 2001-049A. Apogee: 592 km (367 mi). Perigee: 533 km (331 mi). Inclination: 97.60 deg. Period: 95.90 min.

    Launch delayed from July 20. The PS4 upper stage deployed the 1108 kg Indian TES (Technology Experiment Satellite) into a sun-synchronous orbit at 05:09:10 GMT. TES was an imaging satellite equipped with cameras and instruments to test military reconnaissance satellite technology. It was probably based on the IRS remote sensing satellite and carried a one-meter resolution panchromatic camera. India decided to develop an independent indigenous reconnaissance satellite capability after the 1999 incursion of Pakistani troops into disputed territory in Kashmir caught it by surprise. TES was developed by ISRO, the Indian Space Research Organization.