Space Brief 11 Mar 2025
Today's Space Brief highlights pivotal defense budget evaluations, Lithuania's growing defense connections, the first CubeSat for ESA's Ramses mission, and the one-year milestone of the Aries satellite in orbit.
AYAME-2 (ECS-B) (11715)
COSPAR: 1980-018A | Alt Name: Ayame 2
Image
Additional Sources
Launch Details
Launch Date
February 22, 1980
Launch Site
TANSC
Launch Pad
N
Launch Vehicle
N-1
Orbital Elements
NORAD ID
11715
International Designator
1980-018A
Epoch
Fri, 03 Jul 2026 07:57:54 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
9.57°
Right Ascension
35.96°
Eccentricity
Calculating...
Argument of Perigee
298.86°
Period
820.54 min
Mean Motion
1.75 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
AYAME-2 (ECS-B)
Alternative Name
Ayame 2
Type
Payload
Status
Non-operational
Owner
NASDA
Country
Japan
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 11715U 80018A 26184.33188036 -.00000099 00000-0 00000-0 0 9994
2 11715 9.5709 35.9611 4374518 298.8649 296.9183 1.75494284235316
Source: Celestrak
Summary
AYAME-2 (ECS-B), also known as Ayame 2, is a communication satellite launched by NASDA on February 22, 1980, from the Tanegashima Space Center using an N-1 launch vehicle. The spacecraft has dimensions of 2 meters in length and diameter, with a span of 2 meters and a dry mass of 111 kilograms. Equipped with switchable C/K-band transponders, it operates on solar cells and batteries for power supply. Manufactured by MELCO/FORDA, the satellite is cylindrical in shape and has an RCS (Reflective Coefficient Surface) value of 0.3981. The primary mission of AYAME-2 is to provide communication services.
Physical Characteristics
Length
2
Diameter
1.4
Span
2
Dry Mass
111
Launch Mass
121
Shape
Cyl
Radar Cross Section
0.3981
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
ECS-b
Purpose
Communication
Mission
Communication
Manufacturer
MELCO/FORDA
Life Expectancy
Unknown
Bus
NASDA ECS
Configuration
Unknown
Motor
SVM-2B
Equipment
switchable C/K-band transponder
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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