Space Brief 1 Dec 2025
Today's brief covers China's latest classified satellite launch, breakups in orbital refueling experiments, exciting advancements in microsatellites, and SpaceX's remarkable strides in spaceflight.
Launch Date
December 27, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
NORAD ID
50481
International Designator
2021-132N
Epoch
Sun, 19 Jul 2026 19:59:28 GMT
Apogee
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Perigee
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Inclination
87.92°
Right Ascension
328.95°
Eccentricity
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Argument of Perigee
108.11°
Period
109.20 min
Mean Motion
13.19 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Name
ONEWEB-0401
Alternative Name
OneWeb SL0401
Type
Status
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
1 50481U 21132N 26200.83296691 -.00005785 00000+0 -14725-1 0 9997
2 50481 87.9206 328.9523 0001799 108.1132 252.0196 13.18642793225914
Source: Celestrak
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
Payload
OneWeb L12-021
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
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