X Report 15 Nov 2024
SpaceX preps for its sixth Starship test flight, moving the Super Heavy rocket to the pad. China's unveils a Starship-like reusable rocket concept, while Starlink expands with 24 new satellites launched.
IRIDIUM 139 (42963)
COSPAR: 2017-061J | Alt Name: Iridium Next SV139
Image
Additional Sources
Launch Details
Orbital Elements
NORAD ID
42963
International Designator
2017-061J
Epoch
Sat, 04 Jul 2026 00:06:14 GMT
Apogee
Calculating...
Perigee
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Inclination
86.40°
Right Ascension
18.29°
Eccentricity
Calculating...
Argument of Perigee
91.04°
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 139
Alternative Name
Iridium Next SV139
Type
Payload
Status
Operational
Owner
IRIDS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 42963U 17061J 26185.00433680 .00000016 00000-0 -14146-5 0 9994
2 42963 86.3965 18.2868 0002189 91.0359 269.1087 14.34217675457259
Source: Celestrak
Summary
IRIDIUM 139, also known as Iridium Next SV139, is a communication and traffic monitoring satellite built by OATKGA for IRIDS (Iridium LLC). Launched on October 9, 2017, from AFWTR SLC4E using a Falcon 9 launch vehicle, the satellite has dimensions of 3.1 meters in length, 1.5 meters in diameter, and a span of 9.4 meters. It features an EliteBus configuration with a dry mass of 700 kg and was designed for a 10-year lifetime but planned for up to 15 years. Equipped with L-band payload, Ka-band cross-links and downlinks, ADS-B payload, and AIS-receiver, the satellite is powered by two deployable solar arrays and batteries. Its shape is described as Half Hex Prism+2 pan.
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 SV139
Purpose
Communication, traffic monitoring
Mission
Communication, traffic monitoring
Manufacturer
OATKGA
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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