Ku-Band
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TES (26957)
COSPAR: 2001-049A | Alt Name: TES
DECAYED
Image
Additional Sources
Launch Details
Launch Date
October 22, 2001
Launch Site
SRILR
Launch Pad
FLP
Launch Vehicle
PSLV
Orbital Elements
NORAD ID
26957
International Designator
2001-049A
Decay Date
12/25/2025
Basic Satellite Info
Name
TES
Alternative Name
TES
Type
Payload
Status
Decayed
Owner
ISRO
Country
India
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
The TES satellite (NORAD CAT ID: 26957) was launched by ISRO on October 22, 2001, from the Sriharikota Launch Pad using a PSLV launch vehicle. The spacecraft is based on the IRS-1 Bus and has dimensions of 2.8 meters in length, 2 meters in diameter, and an overall span of 11.7 meters. It has a dry mass of 950 kg and a launch mass of 1108 kg. TES is powered by two deployable solar arrays and batteries, with its primary mission being Earth observation and technology demonstration. The satellite's design includes a box shape with two panels for the solar arrays. It was manufactured by ISAC and has an operational lifetime of approximately three years.
Physical Characteristics
Length
2.8
Diameter
2
Span
11.7
Dry Mass
950
Launch Mass
1108
Shape
Box + 2 Pan
Radar Cross Section
3.2203
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
TES
Purpose
Earth observation, Technology
Mission
Earth observation, Technology
Manufacturer
ISAC
Life Expectancy
3 years
Bus
IRS
Configuration
IRS-1 Bus
Motor
AOCS
Equipment
?
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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