Space Brief 27 Aug 2025
Today's key space events include SpaceX's launch of the secretive X-37B military drone, XTAR's U.S. defense market strategy, and China's space station AI upgrade.
STARLINK-35554 (66239)
COSPAR: 2025-245F | Alt Name: N/A
Image
Additional Sources
Launch Details
Launch Date
October 29, 2025
Launch Site
Launch Pad
LC40
Launch Vehicle
Orbital Elements
NORAD ID
66239
International Designator
2025-245F
Epoch
Sun, 19 Jul 2026 18:21:31 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
53.16°
Right Ascension
30.01°
Eccentricity
Calculating...
Argument of Perigee
87.99°
Period
94.01 min
Mean Motion
15.32 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
STARLINK-35554
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 66239U 25245F 26200.76495301 .00004395 00000+0 15326-3 0 9999
2 66239 53.1594 30.0094 0001134 87.9897 272.1235 15.31708840 41327
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 10-37-06
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
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