NASA Awards Private Mars Orbiter Contract for 2028 | KeepTrack X Report
A California firm wins NASA's Aeolus Mars orbiter contract, targeting 2028 launch for the first daily global Martian environment measurements.
ONEWEB-0153 (48044)
COSPAR: 2021-025C | Alt Name: OneWeb SL0153
Image
Additional Sources
Launch Details
Launch Date
March 25, 2021
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
48044
International Designator
2021-025C
Epoch
Sat, 04 Jul 2026 01:53:16 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.90°
Right Ascension
316.86°
Eccentricity
Calculating...
Argument of Perigee
98.61°
Period
109.63 min
Mean Motion
13.13 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ONEWEB-0153
Alternative Name
OneWeb SL0153
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 48044U 21025C 26185.07866660 -.00000240 00000-0 -69321-3 0 9993
2 48044 87.8969 316.8603 0001989 98.6114 261.5241 13.13468650255765
Source: Celestrak
Summary
ONEWEB-0153, also known as OneWeb SL0153, is a communication satellite manufactured by ONEWUS and owned by ONEWEBN. It was launched on March 25, 2021, from the VOSTO launch site using a Soyuz-2-1B rocket from launch pad PU1S. The satellite uses an Arrow bus configuration with dimensions of 1.3 meters in length, 1 meter in diameter, and has a span of 5 meters. It has a dry mass of 140 kilograms and was launched with a mass of 148 kilograms. Equipped with a Ku-Band payload, the satellite is powered by solar arrays and batteries and uses SPT-50 or BHT-350 Hall effect thrusters for propulsion. The satellite's mission duration is expected to last seven years, focusing on communication services. Its shape consists of a trapezoid with two panels.
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 L5-027
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.
New Glenn Static Fire Anomaly Grounds Amazon Launch | KeepTrack Space Brief
Blue Origin's New Glenn suffered catastrophic anomaly during static fire test at LC-36. Amazon LEO satellites pulled; NASA lunar missions now in question.
Rocket Lab to Acquire Iridium for $8B, X Report 30 Jun 2026
Rocket Lab will acquire Iridium for $8B to challenge SpaceX, whose Starlink constellation holds 10,706 working satellites of 12,390 launched.
Space Brief 27 Jan 2025
Highlights include US military astronaut rescue drills, China's commercial involvement in lunar missions, ESA's budget proposals, global opposition to space advertising, and NASA lunar landers.
The Day We Lost Apollo 1
Fifty-eight years ago, a tragic fire during a routine test transformed spacecraft design and created the foundation of modern spaceflight safety culture
Space Brief 12 Nov 2025
Today's brief covers China's ongoing assessments following a potential debris strike on Shenzhou-20, SpaceX's record-breaking Starlink launch, Rocket Lab's delay of the Neutron rocket, and more.
SpaceX Hits 50 Launches, Falcon Heavy Scrub, X Report 28 Apr 2026
SpaceX hit 50 launches in 2026 on April 26. Falcon Heavy's ViaSat-3 mission, only its 12th flight, scrubbed on weather at Kennedy; new date pending.
Space Brief 13 Aug 2025
Today's Space Brief covers the inaugural national security mission of ULA's Vulcan Centaur, the Space Force's 2026 budget insights, and shifts in military drone technology.