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STARLINK-2391 (47810)
COSPAR: 2021-018Z | Alt Name: Starlink 2391
Image
Additional Sources
Launch Details
Launch Date
March 11, 2021
Launch Site
Launch Pad
LC40
Launch Vehicle
Orbital Elements
NORAD ID
47810
International Designator
2021-018Z
Epoch
Sat, 04 Jul 2026 02:27:46 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
53.16°
Right Ascension
74.09°
Eccentricity
Calculating...
Argument of Perigee
81.88°
Period
94.01 min
Mean Motion
15.32 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
STARLINK-2391
Alternative Name
Starlink 2391
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 47810U 21018Z 26185.10262286 .00000171 00000-0 17284-4 0 9996
2 47810 53.1602 74.0862 0001146 81.8786 278.2345 15.31701852294432
Source: Celestrak
Summary
The STARLINK-2391 satellite, also known as Starlink 2391, is part of SpaceX's Starlink constellation and was launched on March 11, 2021, from Cape Canaveral Air Force Station using a Falcon 9 launch vehicle. The spacecraft has dimensions of 0.2 meters in length with a diameter of 2.8 meters and spans 9 meters, weighing approximately 248 kilograms dry. It is equipped with Ku/Ka-band payload equipment and optical inter-satellite links on some prototypes for communication purposes. Power is provided by solar arrays and batteries. The satellite's propulsion system includes Krypton ion thrusters for orbital maneuvers. Its primary mission is to provide communication services as part of the Starlink constellation, aiming to deliver global internet coverage.
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-L20-24
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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