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IRIDIUM 155 (43573)
COSPAR: 2018-061E | Alt Name: Iridium Next SV155
Image
Additional Sources
Launch Details
Orbital Elements
NORAD ID
43573
International Designator
2018-061E
Epoch
Sat, 04 Jul 2026 01:33:22 GMT
Apogee
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Perigee
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Inclination
86.39°
Right Ascension
49.61°
Eccentricity
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Argument of Perigee
86.76°
Period
100.40 min
Mean Motion
14.34 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
IRIDIUM 155
Alternative Name
Iridium Next SV155
Type
Payload
Status
Operational
Owner
IRIDS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 43573U 18061E 26185.06484046 .00000219 00000-0 71168-4 0 9991
2 43573 86.3941 49.6139 0002050 86.7567 273.3863 14.34219528415778
Source: Celestrak
Summary
IRIDIUM 155 (also known as Iridium Next SV155) is a communication and traffic monitoring satellite launched on July 25, 2018, from AFWTR SLC4E using a Falcon 9 launch vehicle. The spacecraft has dimensions of 3.1 meters in length and 1.5 meters in diameter with a span of 9.4 meters. It features an ELiTeBus-1000 configuration and carries a L-band payload, Ka-band cross-links, downlinks, ADS-B payload, and AIS-receiver (part of a set on 58 satellites). The satellite has a dry mass of 700 kg and a launch mass of 860 kg. It is powered by two deployable solar arrays and batteries. Designed for a lifetime of 10 years with plans for an extended operation up to 15 years, IRIDIUM 155 is owned by IRIDS and manufactured by NGISGA. The satellite's shape is described as a half hex prism with two pans.
Physical Characteristics
Length
3.1
Diameter
1.5
Span
9.4
Dry Mass
700
Launch Mass
860
Shape
Half Hex Prism+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Iridium Next SV155
Purpose
Communication, traffic monitoring
Mission
Communication, traffic monitoring
Manufacturer
NGISGA
Life Expectancy
10 years (design), 15 years (planned)
Bus
EliteBus
Configuration
ELiTeBus-1000
Motor
?
Equipment
L-band payload, Ka-band cross-links, Ka-band downlinks, ADS-B payload, AIS-receiver (on 58 satellites)
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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