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GSAT-1 (26745)
COSPAR: 2001-015A | Alt Name: GSAT-1
Image
Additional Sources
Launch Details
Launch Date
April 18, 2001
Launch Site
SRILR
Launch Pad
FLP
Launch Vehicle
GSLV Mk I
Orbital Elements
NORAD ID
26745
International Designator
2001-015A
Epoch
Fri, 03 Jul 2026 21:23:52 GMT
Apogee
Calculating...
Perigee
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Inclination
12.80°
Right Ascension
3.68°
Eccentricity
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Argument of Perigee
294.20°
Period
1387.00 min
Mean Motion
1.04 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
GSAT-1
Alternative Name
GSAT-1
Type
Payload
Status
Non-operational
Owner
ISRO
Country
India
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 26745U 01015A 26184.89157792 -.00000124 00000-0 00000-0 0 9998
2 26745 12.8025 3.6834 0233801 294.1953 72.4589 1.03821063 95708
Source: Celestrak
Summary
GSAT-1, also known as 2001-015A, is an experimental communication satellite built by ISRO and launched on April 18, 2001, from the Sriharikota Launch Pad using a GSLV Mk I launch vehicle. The spacecraft has dimensions of 2.4 meters in length, 1.6 meters in diameter, and spans 9.6 meters with its solar arrays deployed. It was launched with a mass of 1530 kg and has a dry mass of 1000 kg. GSAT-1 is equipped with three C-band transponders and two S-band transponders for communication purposes and uses deployable solar arrays and batteries for power supply. The satellite has an RCS (Reflectivity Cross Section) value of 3.1622 and features a box shape with two panels. It was designed to conduct experimental communications missions, though specific lifetime details are not provided in the data set.
Physical Characteristics
Length
2.4
Diameter
1.6
Span
9.6
Dry Mass
1000
Launch Mass
1530
Shape
Box + 2 Pan
Radar Cross Section
3.1622
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
GSAT-1
Purpose
Experimental Communication
Mission
Experimental Communication
Manufacturer
ISRO
Life Expectancy
Unknown
Bus
I2K
Configuration
I-2K (I-2000) Bus
Motor
ISRO LAM
Equipment
3 C-band transponders, 2 S-band transponders
Power System
Deployable solar array, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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