X Report 22 Sep 2025
SpaceX successfully launched 28 Starlink satellites from Florida, marking another milestone for their ongoing deployment efforts.
STARLINK-2381 (47800)
COSPAR: 2021-018P | Alt Name: Starlink 2381
Image
Additional Sources
Launch Details
Launch Date
March 11, 2021
Launch Site
Launch Pad
LC40
Launch Vehicle
Orbital Elements
NORAD ID
47800
International Designator
2021-018P
Epoch
Sat, 04 Jul 2026 02:01:32 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
53.16°
Right Ascension
57.52°
Eccentricity
Calculating...
Argument of Perigee
57.87°
Period
94.01 min
Mean Motion
15.32 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
STARLINK-2381
Alternative Name
Starlink 2381
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 47800U 21018P 26185.08439872 .00001138 00000-0 48443-4 0 9994
2 47800 53.1602 57.5235 0001694 57.8711 302.2454 15.31692750294592
Source: Celestrak
Summary
STARLINK-2381 is a communication satellite launched on March 11, 2021, from Launch Complex 40 at Cape Canaveral Air Force Station using a Falcon 9 launch vehicle. It measures 0.2 meters in length with a diameter of 2.8 meters and has a span of 9 meters. The spacecraft has a dry mass of 248 kilograms and was launched with a total mass of 260 kilograms. Its payload includes Ku/Ka-band equipment and optical inter-satellite links, powered by solar arrays and batteries. Equipped with krypton ion thrusters for propulsion, STARLINK-2381 is part of the Starlink constellation manufactured by SpaceX (SPXS) and owned by SPXS. The satellite's primary purpose is communication services.
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-L20-14
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
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
X Report 22 Mar 2025
SpaceX achieves its 450th Falcon 9 launch, setting a new turnaround record, while its competitor ULA remains grounded, awaiting clearance from the Space Force.
SpaceX Targets 600th Falcon Booster Landing, X Report 19 Apr 2026
SpaceX targets its 600th Falcon 9 booster landing on Starlink 17-22, lofting 25 satellites from Vandenberg. Plus a 2028 SpaceX ride for ESA's Mars rover.
SpaceX Lofts 45 Payloads Including Korean CAS500-2 | KeepTrack X Report
SpaceX's Falcon 9 rideshare lifted 45 satellites including South Korea's CAS500-2 Earth observer from Vandenberg at 0700 UTC May 3.
Space Brief 28 Apr 2025
Today's highlights include SpaceX's 250th Starlink mission, a key Senate vote for NASA's next administrator, and insights into satellite missions and movements.
X Report 22 May 2025
SpaceX successfully launched 23 Starlink satellites on a brand-new Falcon 9 rocket, while preparations ramp up for Starship Flight 9 and a pioneering commercial docking mission approaches.
Space Brief 14 Dec 2024
Today’s Space Brief covers significant developments such as SpaceX’s latest Starlink launch, the US Space Force testing modular satellite technology, and key long-range missile tests by the Pentagon.
Space Force Gets $26B in Defense Bill, Golden Dome Initiative Funded | KeepTrack Space Brief
Space Force allocated $26B in 2026 defense appropriations backing Golden Dome initiative. FY26 defense bill adds $8B but sidelines $28B munitions request. First Qatari-Emirati joint defense venture formed.