Space Brief 4 Oct 2025
Today's Space Brief highlights major developments in satellite launches, regulatory milestones for spectrum sales, and the evolving landscape of space-related cyber conflicts.
STARLINK-35729 (66837)
COSPAR: 2025-280S | Alt Name: N/A
Image
Additional Sources
Launch Details
Orbital Elements
NORAD ID
66837
International Designator
2025-280S
Epoch
Mon, 20 Jul 2026 03:47:34 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
70.00°
Right Ascension
0.65°
Eccentricity
Calculating...
Argument of Perigee
258.06°
Period
96.10 min
Mean Motion
14.98 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
STARLINK-35729
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 66837U 25280S 26201.15803293 .00006420 00000+0 54488-3 0 9992
2 66837 70.0034 0.6487 0002236 258.0564 102.0345 14.98363333 35910
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 15-10-17
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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