Low Earth Orbit (LEO)
The bustling downtown of space: where most satellites operate, communication networks bloom, and the challenges of atmospheric drag and radiation shape our approach to space operations
STARLINK-3125 (49451)
COSPAR: 2021-104AV | Alt Name: Starlink 3125
Image
Additional Sources
Launch Details
Launch Date
November 13, 2021
Launch Site
Launch Pad
LC40
Launch Vehicle
Orbital Elements
NORAD ID
49451
International Designator
2021-104AV
Epoch
Sat, 04 Jul 2026 08:00:03 GMT
Apogee
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Perigee
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Inclination
53.16°
Right Ascension
55.24°
Eccentricity
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Argument of Perigee
102.75°
Period
95.22 min
Mean Motion
15.12 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
STARLINK-3125
Alternative Name
Starlink 3125
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49451U 21104AV 26185.33336806 .00018608 00000-0 10774-2 0 9999
2 49451 53.1600 55.2431 0001045 102.7469 308.4302 15.12277224 4905
Source: Celestrak
Summary
STARLINK-3125 is a communication satellite under the Starlink program, launched by SpaceX on November 13, 2021, from Cape Canaveral Air Force Station Launch Complex 40 using a Falcon 9 launch vehicle. The spacecraft measures 0.2 meters in length with a diameter of 2.8 meters and a span of 9 meters. It has a dry mass of 270 kilograms and was launched with a mass of 290 kilograms. Equipped with Ku/Ka-band payload for communication purposes and an optical inter-satellite link, it also features krypton ion thrusters for propulsion. The satellite's power is supplied by solar arrays and batteries. It is part of the Starlink Group 4-1-44 mission and operates in a box plus pan shape configuration.
Starlink is a satellite constellation developed by SpaceX with the aim of providing global broadband internet coverage. Thousands of small satellites are deployed in low Earth orbit (LEO), enabling high-speed internet access even in remote areas. However, the rapid increase in satellites raises concerns about space debris and the potential for collisions, which can lead to further debris creation and endanger other spacecraft. Additionally, the sheer number of Starlink satellites can affect astronomical observations by increasing light pollution. Proper deorbiting plans and international coordination are essential to mitigate these challenges and ensure long-term sustainability in space.
Starlink is a satellite constellation developed by SpaceX with the aim of providing global broadband internet coverage. Thousands of small satellites are deployed in low Earth orbit (LEO), enabling high-speed internet access even in remote areas. However, the rapid increase in satellites raises concerns about space debris and the potential for collisions, which can lead to further debris creation and endanger other spacecraft. Additionally, the sheer number of Starlink satellites can affect astronomical observations by increasing light pollution. Proper deorbiting plans and international coordination are essential to mitigate these challenges and ensure long-term sustainability in space.
Physical Characteristics
Length
0.2
Diameter
2.8
Span
9
Dry Mass
270
Launch Mass
290
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Starlink Group 4-1-44
Purpose
Communication
Mission
Communication
Manufacturer
SPXS
Life Expectancy
Unknown
Bus
Starlink
Configuration
Unknown
Motor
Krypton ion thrusters
Equipment
Ku/Ka-band payload, optical inter-satellite link
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
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