SpaceX's Audacious Starship
As the largest and most powerful rocket ever built, it's designed for full reusability and rapid launch turnaround. SpaceX claims it could carry over 100 tons to low Earth orbit at a fraction of current costs.
STARLINK-35621 (66156)
COSPAR: 2025-240L | Alt Name: N/A
Image
Additional Sources
Launch Details
Launch Date
October 25, 2025
Launch Site
Launch Pad
SLC4E
Launch Vehicle
Orbital Elements
NORAD ID
66156
International Designator
2025-240L
Epoch
Sat, 18 Jul 2026 05:38:58 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
53.16°
Right Ascension
175.87°
Eccentricity
Calculating...
Argument of Perigee
76.67°
Period
93.85 min
Mean Motion
15.34 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Explore in the Catalog
Basic Satellite Info
Name
STARLINK-35621
Alternative Name
N/A
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 66156U 25240L 26199.23539552 .00009072 00000+0 27927-3 0 9995
2 66156 53.1580 175.8703 0001193 76.6678 283.4458 15.34402577 41987
Source: Celestrak
Summary
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
0.3
Diameter
4.1
Span
29.0
Dry Mass
530
Launch Mass
575
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Starlink Group 11-12-11
Purpose
Unknown
Mission
Unknown
Manufacturer
SPXS
Life Expectancy
Unknown
Bus
Starlink V2MO
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
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 17 Dec 2025
SpaceX prepares for a busy launch schedule with key upgrades at Starbase and notable Starlink missions. Recent close approaches in orbit underscore the complexities of satellite operations.
Space Brief 8 May 2025
Today we cover new appointments at NASA, calls for increased Space Force funding, and a successful test of a hypersonic vehicle. Further investigations target SpaceX, and a documentary highlights space superiority.
Space Brief 1 Feb 2025
Today's brief covers advances in satellite docking technology, challenges faced by space companies with government navigation, and China's leap in space autonomy through AI developments.
SpaceX Hits 600 Rocket Landings, Wins $175M Mars Deal | KeepTrack X Report
SpaceX's 600th Falcon 9 booster landing coincides with a $175M NASA Mars contract win and the final GPS III satellite launch this week.
The Looming Crisis of Orbital Debris
As humanity increasingly relies on satellites, the escalating space junk problem poses a dire threat to our space-based infrastructure. With debris counts reaching alarming levels, urgent action is needed to prevent a cascade of collisions that could make key orbits unusable.
X Report 27 Apr 2025
SpaceX gears up for two major Starlink launches, while regulatory challenges slow progress in India.
X Report 19 Nov 2024
Starship Flight 6 approaches with a daring booster catch, while SpaceX ramps up satellite launches and navigates regulatory challenges.