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O3B FM18 (44115)
COSPAR: 2019-020D | Alt Name: O3b FM18
Image
Additional Sources
Launch Details
Launch Date
April 4, 2019
Launch Site
FRGUI
Launch Pad
ELS
Launch Vehicle
Soyuz-ST-B
Orbital Elements
NORAD ID
44115
International Designator
2019-020D
Epoch
Fri, 03 Jul 2026 15:45:25 GMT
Apogee
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Perigee
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Inclination
0.05°
Right Ascension
356.70°
Eccentricity
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Argument of Perigee
105.94°
Period
287.93 min
Mean Motion
5.00 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
O3B FM18
Alternative Name
O3b FM18
Type
Payload
Status
Operational
Owner
O3BS
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 44115U 19020D 26184.65654878 -.00000014 00000-0 00000-0 0 9993
2 44115 0.0528 356.6981 0002770 105.9380 257.3943 5.00115427132477
Source: Celestrak
Summary
O3B FM18 is a communication satellite, part of the O3b constellation, manufactured by THALR and owned by O3BS. It was launched on April 4, 2019, from the Guiana Space Centre using a Soyuz-ST-B launch vehicle. The satellite has dimensions of 4 meters in length, 2 meters in diameter, and spans up to 12 meters when its solar arrays are deployed. Its dry mass is 500 kg, and it had a launch mass of 700 kg. Equipped with 12 Ka-Band transponders for communication purposes, the satellite also features 2 deployable solar arrays and batteries for power generation. Utilizing an LS-400 AOCS motor system, O3B FM18 has been operational since its launch date and is expected to have a service life of up to 10 years.
Physical Characteristics
Length
4
Diameter
2
Span
12
Dry Mass
500
Launch Mass
700
Shape
Box trap+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
O3b 18
Purpose
Communication
Mission
Communication
Manufacturer
THALR
Life Expectancy
10 years
Bus
Prisma
Configuration
ELiTeBus-1000
Motor
LS-400 AOCS
Equipment
12 Ka-Band transponders
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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