Space Brief 17 Jun 2025
Today's space brief covers key developments in satellite monitoring, U.K. defense contracts, and critical licensing reforms supporting national security.
STARLINK-35851 (66356)
COSPAR: 2025-254J | Alt Name: N/A
Image
Additional Sources
Launch Details
Orbital Elements
NORAD ID
66356
International Designator
2025-254J
Epoch
Sun, 19 Jul 2026 15:37:02 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
53.16°
Right Ascension
339.22°
Eccentricity
Calculating...
Argument of Perigee
94.48°
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-35851
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 66356U 25254J 26200.65071839 .00015081 00000+0 45651-3 0 9991
2 66356 53.1613 339.2160 0001367 94.4755 265.6403 15.34405118 39181
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 11-14-09
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.
Space Brief 6 Sep 2025
Today's brief covers China's latest experimental launch to GEO and new commercial satellites, insights from hyperspectral imagery on underground structures, and the Space Force's material testing for Mars missions.
The Day America Shot Down Its Own Spy Satellite
Seventeen years ago, a Navy cruiser in the Pacific fired a missile at a tumbling reconnaissance satellite that had failed within hours of reaching orbit - officially to prevent toxic fuel from reaching the ground, unofficially to prove something far more significant to China and the world
Space Brief 8 Aug 2025
Today's brief highlights significant shifts in military space spending due to the Golden Dome program, the U.S. Space Force's advancements in tactical satellite communications, and NASA's race to nuclear power in space.
Space Force Buys Second Otter Spacecraft for On-Orbit Servicing | KeepTrack Space Brief
Space Force procures second Otter spacecraft for satellite repositioning. Momentus and NASA sign Space Act Agreement for orbital servicing tests. Pentagon delays contractor review.
Space Force Deploys Meadowlands Satellite-Jamming System | KeepTrack Space Brief
U.S. Space Force transitions Meadowlands mobile satellite-jamming platform to operational status. System provides ground forces with electronic warfare capability against adversary satellite links.
Space Brief 4 Jun 2025
Key developments include China's Shijian 26 satellite launch, U.S. Space Force's BAE Systems contract for missile-tracking satellites, and military advancements in space systems.
Space Brief 9 Nov 2024
Today's briefing covers significant developments in international rocket designs, recent astronaut health updates, and advancements in supersonic flight technology.