Space Brief 18 Jun 2025
Today's updates cover crucial developments in satellite licensing reforms, defense cybersecurity, and AI integration within government sectors.
ONEWEB-0316 (49102)
COSPAR: 2021-075AD | Alt Name: OneWeb SL0316
Image
Additional Sources
Launch Details
Launch Date
August 21, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
49102
International Designator
2021-075AD
Epoch
Sat, 04 Jul 2026 03:43:24 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.92°
Right Ascension
332.08°
Eccentricity
Calculating...
Argument of Perigee
97.29°
Period
109.20 min
Mean Motion
13.19 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ONEWEB-0316
Alternative Name
OneWeb SL0316
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49102U 21075AD 26185.15514945 .00000087 00000-0 18779-3 0 9997
2 49102 87.9183 332.0806 0001872 97.2934 262.8411 13.18686161239445
Source: Celestrak
Summary
The ONEWEB-0316 satellite, also known as OneWeb SL0316, was launched on August 21, 2021, from the Tycpacny Mashini Site Complex (TYMSC), LC31 launch pad, using a Soyuz-2-1B launch vehicle. The spacecraft is owned by OneWeb and manufactured by ONEWUS in the UK. It uses an Arrow bus configuration with dimensions of 1.3 meters length, 1 meter diameter, and spans 5 meters when deployed. The satellite has a dry mass of 140 kilograms and a launch mass of 148 kilograms. Its mission is communication and it is equipped with a Ku-Band payload and solar arrays for power generation. It operates on the SPT-50 or BHT-350 Hall effect thrusters for propulsion and has an expected operational lifetime of 7 years.
Physical Characteristics
Length
1.3
Diameter
1
Span
5
Dry Mass
140
Launch Mass
148
Shape
Trapezoid+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
OneWeb L9-002
Purpose
Communication
Mission
Communication
Manufacturer
ONEWUS
Life Expectancy
+ 7 years
Bus
ARROW
Configuration
Arrow bus
Motor
SPT-50 or BHT-350 Hall effect thrusters
Equipment
Ku-Band payload
Power System
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.
Starlink Hits 10,000 Satellites in Orbit, X Report 17 Mar 2026
How many Starlink satellites are in orbit in 2026? SpaceX passed 10,000 after the Starlink 17-24 launch, with 10,020 in orbit and 11,529 launched.
NLRB Drops SpaceX Oversight Case, Booster 19 Tests Complete | KeepTrack X Report
US labor board drops oversight case against SpaceX. Booster 19 completes cryogenic testing at upgraded Massey's. SpaceX IPO expected to reshape space investment landscape.
X Report 7 Sep 2025
SpaceX launches 24 Starlink satellites, pushing its 2025 total beyond 2,000, while facing community pushback in Florida for its Starship operations.
Space Brief 10 Dec 2024
Today's highlights include a new 5G demonstration launch on Firefly, potential supply chain interruptions in the defense sector, and updates on Artemis and ULA launches.
X Report 27 Sep 2025
SpaceX continues to make strides in both its Starship program and Starlink satellite deployments, with a successful launch of 24 Starlink satellites and preparations for upcoming missions.
X Report 14 Sep 2025
SpaceX successfully launched its 300th Starlink mission, deploying 24 new satellites to further expand its internet service coverage worldwide.
The Day Humanity Gained New Eyes on the Sun
Fifteen years ago, NASA launched its most advanced solar observatory, revolutionizing our understanding of our star and transforming space weather prediction