X Report 24 Apr 2025
SpaceX continues its historic launch cadence, includes Starlink expansion and business strategies in focus.
STARLINK-2150 (47739)
COSPAR: 2021-017T | Alt Name: Starlink 2150
Image
Additional Sources
Launch Details
Launch Date
March 4, 2021
Launch Site
Launch Pad
LC39A
Launch Vehicle
Orbital Elements
NORAD ID
47739
International Designator
2021-017T
Epoch
Fri, 03 Jul 2026 23:47:16 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
53.16°
Right Ascension
38.10°
Eccentricity
Calculating...
Argument of Perigee
90.77°
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-2150
Alternative Name
Starlink 2150
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 47739U 21017T 26184.99116122 -.00001332 00000-0 -31183-4 0 9994
2 47739 53.1598 38.1041 0001266 90.7717 269.3430 15.31694649295502
Source: Celestrak
Summary
STARLINK-2150 is a communication satellite launched by SpaceX (SPXS) on March 4, 2021, from Launch Complex 39A at Kennedy Space Center using a Falcon 9 launch vehicle. The spacecraft measures 0.2 meters in length with a diameter of 2.8 meters and a span of 9 meters. It has a dry mass of 248 kilograms and was launched with a total mass of 260 kilograms. Equipped with Ku/Ka-band payload capabilities (all) and optical inter-satellite links (some prototypes), it uses Krypton ion thrusters for propulsion and solar arrays, along with batteries, for power supply. The satellite is identified by NORAD catalog number 47739 and object ID 2021-017T, operating under the Starlink constellation program 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-L17-18
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 3 Mar 2025
SpaceX gears up for Starship Flight 8, with a launch set for Monday as final preparations are underway.
10,168 Starlink Satellites in Orbit, X Report 6 Apr 2026
Current number of Starlink satellites in orbit April 2026: 10,168 working of 10,177 tracked, 11,724 launched. Fleet health tops 99.9%.
Space Brief 7 Feb 2025
Today's highlights include significant legal disputes in military satellite contracts, strategic investments in the defense space sector, and updates on major military budget developments impacting space capabilities.
Rocket Lab Wins $190M Pentagon Hypersonic Contract | KeepTrack Space Brief
Rocket Lab secures $190M Pentagon deal for 20 hypersonic test flights over 4 years using Electron. Five missions annually trackable via Space-Track.
10,374 Starlink Satellites in Orbit, X Report 6 May 2026
Starlink satellites in orbit May 2026: 10,374, with 10,358 working. Mission 17-29 lifts 24 more from Vandenberg and a satellite films the Starlink train.
X Report 23 Feb 2025
SpaceX faces a setback with a Falcon 9 upper stage reentry issue, while NASA selects SpaceX for a new mission. Starlink expansions continue with multiple satellite launches.
Starlink Satellite Count Hits 10,087, X Report 22 Mar 2026
How many Starlink satellites are in orbit in 2026? 10,087 working of 10,097 on orbit, 11,612 launched to date, per KeepTrack data.