Space Brief 10 Jul 2025
Today's highlights include strategic shifts in the defense sector, innovations in solar technology for space, and developments in satellite-related military projects.
STARLINK-5577 (55751)
COSPAR: 2023-028L | Alt Name: Starlink 5577
Image
Additional Sources
Launch Details
Orbital Elements
NORAD ID
55751
International Designator
2023-028L
Epoch
Sun, 19 Jul 2026 10:41:23 GMT
Apogee
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Perigee
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Inclination
70.00°
Right Ascension
272.34°
Eccentricity
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Argument of Perigee
269.06°
Period
96.11 min
Mean Motion
14.98 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
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Basic Satellite Info
Name
STARLINK-5577
Alternative Name
Starlink 5577
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 55751U 23028L 26200.44540866 .00000003 00000+0 80773-5 0 9997
2 55751 69.9993 272.3448 0003601 269.0642 91.0105 14.98330330185777
Source: Celestrak
Summary
STARLINK-5577 is a communication satellite belonging to SpaceX's Starlink constellation. It was launched on March 3, 2023, from AFWTR SLC4E using a Falcon 9 launch vehicle. The satellite measures 0.2 meters in length and has a diameter of 2.8 meters with a span of 9 meters. Its dry mass is 290 kg, while its launch mass was 305 kg. Equipped with Ku/Ka-band payload and an optical inter-satellite link, it uses krypton ion thrusters for propulsion and solar arrays with batteries for power generation. The satellite's shape consists of a box with additional panels. It is owned by SpaceX and serves as part of the Starlink Group 2-7-11 mission aimed at providing communication services.
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
290
Launch Mass
305
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Starlink Group 2-7-11
Purpose
Communication
Mission
Communication
Manufacturer
SPXS
Life Expectancy
Unknown
Bus
Starlink
Configuration
Unknown
Motor
Krypton ion thrusters
Equipment
Ku/Ka-band payload, optical inter-satellite link
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
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