X Report 18 Aug 2025
SpaceX's 100th Falcon 9 mission successfully launched 24 Starlink satellites, continuing to expand its broadband constellation.
STARLINK-1551 (46075)
COSPAR: 2020-055BA | Alt Name: Starlink 1551
Image
Additional Sources
Launch Details
Launch Date
August 7, 2020
Launch Site
Launch Pad
LC39A
Launch Vehicle
Orbital Elements
NORAD ID
46075
International Designator
2020-055BA
Epoch
Fri, 03 Jul 2026 23:25:52 GMT
Apogee
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Perigee
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Inclination
53.16°
Right Ascension
280.67°
Eccentricity
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Argument of Perigee
79.78°
Period
94.01 min
Mean Motion
15.32 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-1551
Alternative Name
Starlink 1551
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 46075U 20055BA 26184.97630196 .00000379 00000-0 23996-4 0 9998
2 46075 53.1576 280.6716 0001501 79.7751 280.3419 15.31699064327041
Source: Celestrak
Summary
The STARLINK-1551 satellite, also known as Starlink 1551, is a communication satellite operated by SPXS (SpaceX) and part of the Starlink constellation. It was launched on August 7, 2020, from LC39A at AFETR using a Falcon 9 launch vehicle. With dimensions of 0.2 meters in length, 2.8 meters in diameter, and a span of 9 meters, the satellite has a dry mass of 248 kilograms and was launched with a mass of 260 kilograms. The satellite is equipped with Ku/Ka-band payload technology (all) and includes optical inter-satellite links on prototypes. It uses krypton ion thrusters for propulsion and is powered by solar arrays and batteries.
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
248
Launch Mass
260
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Starlink V1.0-L9-25
Purpose
Communication
Mission
Communication
Manufacturer
SPXS
Life Expectancy
Unknown
Bus
Starlink
Configuration
Unknown
Motor
Krypton ion thrusters
Equipment
Ku/Ka-band payload (all), optical inter-satellite links (a few prototypes)
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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