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JCSAT-2 (20402)
COSPAR: 1990-001B | Alt Name: JCSAT 2
Image
Additional Sources
Launch Details
Launch Date
January 1, 1990
Launch Site
Launch Pad
LC40
Launch Vehicle
Commercial Titan 3
Orbital Elements
NORAD ID
20402
International Designator
1990-001B
Epoch
Fri, 03 Jul 2026 22:59:16 GMT
Apogee
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Perigee
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Inclination
15.97°
Right Ascension
10.93°
Eccentricity
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Argument of Perigee
326.47°
Period
1461.37 min
Mean Motion
0.99 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
JCSAT-2
Alternative Name
JCSAT 2
Type
Payload
Status
Non-operational
Owner
JCSAT
Country
Japan
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 20402U 90001B 26184.95783442 -.00000086 00000-0 00000-0 0 9996
2 20402 15.9717 10.9322 0058441 326.4654 34.1125 0.98537594115507
Source: Celestrak
Summary
JCSAT-2, also known as JCSAT 2, is a communication satellite operated by JCSAT and manufactured by HSES. Launched on January 1, 1990, from LC40 at AFETR using the Commercial Titan 3 launch vehicle, it has a configuration of HS-393 and measures 10 meters in length with a diameter of 3.6 meters. The satellite weighs 2280 kilograms at launch and features solar cells mounted on its body and drop-skirt for power along with batteries. It is equipped with 32 Ku-band transponders for communication purposes. The dry mass of JCSAT-2 is 1100 kg, and it has a shape described as cylindrical. Its reflective cross-section area (RCS) is measured at 8.2346 m². The satellite's propulsion system includes R-4D-12 x2 motors.
Physical Characteristics
Length
10
Diameter
3.6
Span
10
Dry Mass
1100
Launch Mass
2280
Shape
Cyl
Radar Cross Section
8.2346
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
JCSAT 2
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
Unknown
Bus
HS-393
Configuration
HS-393
Motor
R-4D-12 x2
Equipment
32 Ku-band trnasponders
Power System
Solar cells (body mounted and drop-skirt), 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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