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WEOS (27599)
COSPAR: 2002-056C | Alt Name: WEOS
Image
Additional Sources
Launch Details
Launch Date
December 14, 2002
Launch Site
TANSC
Launch Pad
Y
Launch Vehicle
H-IIA 202
Orbital Elements
NORAD ID
27599
International Designator
2002-056C
Epoch
Fri, 03 Jul 2026 20:41:31 GMT
Apogee
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Perigee
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Inclination
98.82°
Right Ascension
152.87°
Eccentricity
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Argument of Perigee
264.34°
Period
100.64 min
Mean Motion
14.31 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
WEOS
Alternative Name
WEOS
Type
Payload
Status
Unknown
Owner
CHIBA
Country
Japan
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 27599U 02056C 26184.86217549 .00000169 00000-0 81794-4 0 9997
2 27599 98.8170 152.8728 0008464 264.3381 95.6836 14.30852204228737
Source: Celestrak
Summary
WEOS, also known as 2002-056C, is a satellite with a NORAD catalog ID of 27599. It was launched on December 14, 2002, from TANSC using the H-IIA 202 launch vehicle. The satellite has a configuration of a 50 cm cube and measures 0.5 meters in length and diameter, with a span of 3.5 meters. WEOS was manufactured by CHIBA and is owned by the same entity. It weighs 50 kilograms at launch and dry mass. Its primary mission involves ecology and whale monitoring. The satellite is powered by solar cells and batteries. WEOS has an RCS (reflectivity coefficient) of 0.2929, indicating its reflective surface properties, and it has a box-shaped structure with antennas.
Physical Characteristics
Length
0.5
Diameter
0.5
Span
3.5
Dry Mass
50
Launch Mass
50
Shape
Box + Ant
Radar Cross Section
0.2929
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
WEOS
Purpose
Ecology, Whale Monitoring
Mission
Ecology, Whale Monitoring
Manufacturer
CHIBA
Life Expectancy
Unknown
Bus
Unknown
Configuration
50 cm cube
Motor
None
Equipment
Unknown
Power System
Solar cells, 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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