Andøya Spaceport
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STARLINK-2121 (47399)
COSPAR: 2021-005BC | Alt Name: Starlink 2121
Image
Additional Sources
Launch Details
Launch Date
January 20, 2021
Launch Site
Launch Pad
LC39A
Launch Vehicle
Orbital Elements
NORAD ID
47399
International Designator
2021-005BC
Epoch
Sat, 04 Jul 2026 00:02:36 GMT
Apogee
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Perigee
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Inclination
53.16°
Right Ascension
215.54°
Eccentricity
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Argument of Perigee
81.22°
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-2121
Alternative Name
Starlink 2121
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 47399U 21005BC 26185.00181375 .00002087 00000-0 79008-4 0 9992
2 47399 53.1571 215.5441 0001253 81.2223 278.8921 15.31696127301212
Source: Celestrak
Summary
The STARLINK-2121 satellite, also known as Starlink 2121, is part of SpaceX's Starlink constellation and was launched on January 20, 2021, from Launch Complex 39A at Kennedy Space Center aboard a Falcon 9 rocket. It has dimensions of 0.2 meters in length, 2.8 meters in diameter, and spans 9 meters when its components are deployed. The satellite has a dry mass of 248 kilograms and was launched with a total mass of 260 kilograms. Equipped with Ku/Ka-band payload capabilities and optical inter-satellite links (as part of prototype testing), it uses krypton ion thrusters for propulsion. Its primary mission is communication, utilizing solar arrays and batteries for power supply. The satellite's shape consists of a box with an antenna panel attached.
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-L16-51
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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