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MARECS-B2 (15386)
COSPAR: 1984-114B | Alt Name: Marecs 2
Image
Additional Sources
Launch Details
Launch Date
November 10, 1984
Launch Site
FRGUI
Launch Pad
ELA1
Launch Vehicle
Ariane 3
Orbital Elements
NORAD ID
15386
International Designator
1984-114B
Epoch
Sat, 04 Jul 2026 02:03:01 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
13.47°
Right Ascension
332.82°
Eccentricity
Calculating...
Argument of Perigee
55.85°
Period
1501.10 min
Mean Motion
0.96 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
MARECS-B2
Alternative Name
Marecs 2
Type
Payload
Status
Non-operational
Owner
ESA
Country
European Space Agency
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 15386U 84114B 26185.08543825 -.00000142 00000-0 00000-0 0 9996
2 15386 13.4686 332.8176 0112599 55.8547 314.9809 0.95929335112849
Source: Celestrak
Summary
MARECS-B2, also known as Marecs 2, is a communication satellite launched on November 10, 1984, from ELA1 at FRGUI using the Ariane 3 launch vehicle. Manufactured by BAES and operated by ESA under the OTS BUS configuration, this satellite has dimensions of 2.5 meters in length, 2 meters in diameter, and a span of 13.8 meters. It features two deployable solar arrays and batteries for power generation, with equipment including 1 (+1) L-band and 1 (+1) C-band transceivers. The satellite has a dry mass of 470 kg and a launch mass of 580 kg, equipped with the Mage 2 motor. Its shape is described as Box + 2 Pan, with an RCS value of 3.1622, indicating its reflective characteristics. MARECS-B2 had a mission lifetime of seven years dedicated to communication purposes.
Physical Characteristics
Length
2.5
Diameter
2
Span
13.8
Dry Mass
470
Launch Mass
580
Shape
Box + 2 Pan
Radar Cross Section
3.1622
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Marecs B2
Purpose
Communication
Mission
Communication
Manufacturer
BAES
Life Expectancy
7 years
Bus
OTS
Configuration
ECS-Bus
Motor
Mage 2
Equipment
1 (+1) L-band, 1 (+1) C-band
Power System
2 deployable solar arrays, 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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