Space Brief 10 Dec 2025
Today's brief covers China's intense launch schedule, a new Arctic military constellation, Muon Space's defense innovations, and SpaceX's classified NROL-77 mission.
IRIDIUM 134 (43075)
COSPAR: 2017-083F | Alt Name: Iridium Next SV134
Image
Additional Sources
Launch Details
Orbital Elements
NORAD ID
43075
International Designator
2017-083F
Epoch
Fri, 03 Jul 2026 19:13:15 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
86.40°
Right Ascension
315.12°
Eccentricity
Calculating...
Argument of Perigee
95.20°
Period
100.40 min
Mean Motion
14.34 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
IRIDIUM 134
Alternative Name
Iridium Next SV134
Type
Payload
Status
Operational
Owner
IRIDS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 43075U 17083F 26184.80086842 .00000223 00000-0 72517-4 0 9998
2 43075 86.3982 315.1215 0002198 95.2021 264.9426 14.34218687446487
Source: Celestrak
Summary
IRIDIUM 134, also known as Iridium Next SV134, is a communication and traffic monitoring satellite manufactured by OATKGA for IRIDS (Iridium LLC). Launched on December 23, 2017, from the AFWTR SLC4E launch pad using a Falcon 9 rocket, this satellite has a BUS of EliteBus with the configuration ELiTeBus-1000. It measures 3.1 meters in length and 1.5 meters in diameter with a span of 9.4 meters. The dry mass is recorded at 700 kg while its launch mass was 860 kg. Equipped with deployable solar arrays and batteries for power, the satellite carries an L-band payload, Ka-band cross-links, Ka-band downlinks, ADS-B payload, and AIS-receiver (part of a group of 58 satellites). The satellite's design lifetime is ten years, with plans extending its operational life to fifteen years. 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 SV134
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
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Musk Addresses Orbital Data Center Crowding Fears | KeepTrack X Report
Elon Musk pushed back on orbital crowding concerns as SpaceX eyes data centers in space, with 10,584 Starlink satellites currently operational.
SpaceX Files Confidential IPO at $1.75T Valuation | KeepTrack X Report
SpaceX confidentially files for a record-breaking IPO targeting a $1.75T valuation and $80B raise, while a Starlink satellite breaks apart in orbit.
X Report 19 Jun 2025
Today's report highlights a catastrophic failure during Starship preparations, significant advancements in Starlink services in Ukraine and India, and the successful launch of 28 Starlink satellites.
SpaceX Wins $2.29B Space Force LEO Comms Contract | KeepTrack Space Brief
SpaceX awarded $2.29 billion to build Space Force's LEO communications backbone, integrating with SDA Transport layer satellites for military tactical data relay through space.
Who Owns SpaceX in 2026? Ownership, Valuation, and the Trillion-Dollar IPO
Elon Musk controls 79% of SpaceX's votes with just 42% of the equity - and the company just merged with his AI startup at a $1.25 trillion valuation. Here's who actually owns what, how the money works, and what a $1.75 trillion IPO means for investors.
Space Brief 14 Feb 2025
Key developments include Redwire's contract for a US Space Force mission, UK's steps toward its first orbital launch, and a detailed military satellite spotlight.
Space Brief 6 Oct 2025
Today's highlights include Firefly's acquisition of SciTec, DARPA's vision for a moon economy, and ESA's new deep space antenna in Australia. Stay updated on the latest in space intelligence and defense technology transformations, plus noteworthy rogue planet phenomena.