Space Brief 12 Nov 2025
Today's brief covers China's ongoing assessments following a potential debris strike on Shenzhou-20, SpaceX's record-breaking Starlink launch, Rocket Lab's delay of the Neutron rocket, and more.
STARLINK-2400 (47817)
COSPAR: 2021-018AG | Alt Name: Starlink 2400
Image
Additional Sources
Launch Details
Launch Date
March 11, 2021
Launch Site
Launch Pad
LC40
Launch Vehicle
Orbital Elements
NORAD ID
47817
International Designator
2021-018AG
Epoch
Sat, 04 Jul 2026 01:16:19 GMT
Apogee
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Perigee
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Inclination
53.16°
Right Ascension
61.73°
Eccentricity
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Argument of Perigee
80.12°
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-2400
Alternative Name
Starlink 2400
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 47817U 21018AG 26185.05299838 .00003881 00000-0 13675-3 0 9990
2 47817 53.1609 61.7349 0001198 80.1204 279.9932 15.31700053294547
Source: Celestrak
Summary
The satellite named STARLINK-2400 (OBJECT_ID: 2021-018AG) is a communication satellite belonging to SpaceX's Starlink constellation. Launched on March 11, 2021, from Cape Canaveral Air Force Station Launch Complex 40 using a Falcon 9 launch vehicle, this satellite has dimensions of approximately 0.2 meters in length and 2.8 meters in diameter with a span of 9 meters. Its dry mass is 248 kilograms while its launch mass was 260 kilograms. Equipped with Ku/Ka-band payload (all) and optical inter-satellite links on prototypes, the satellite uses solar arrays and batteries for power and Krypton ion thrusters for propulsion. The equipment includes a Starlink V1.0-L20-31 payload designed for communication purposes.
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-L20-31
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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