Space Brief 8 Jul 2025
Today's highlights include the cancellation of Starship landing plans, Planet Labs' defense expansion, and cutting-edge radiation-hardened tech for space and defense.
STARLINK-4157 (53035)
COSPAR: 2022-076BB | Alt Name: Starlink 4157
Image
Additional Sources
Launch Details
Launch Date
July 7, 2022
Launch Site
Launch Pad
LC40
Launch Vehicle
Orbital Elements
NORAD ID
53035
International Designator
2022-076BB
Epoch
Mon, 20 Jul 2026 00:45:24 GMT
Apogee
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Perigee
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Inclination
53.16°
Right Ascension
199.72°
Eccentricity
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Argument of Perigee
92.62°
Period
95.44 min
Mean Motion
15.09 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-4157
Alternative Name
Starlink 4157
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 53035U 22076BB 26201.03153197 -.00000171 00000+0 73745-5 0 9993
2 53035 53.1608 199.7205 0001032 92.6212 267.4898 15.08828867223107
Source: Celestrak
Summary
The STARLINK-4157 satellite, also known as Starlink 4157, is part of the Starlink constellation and was launched on July 7, 2022, from LC40 at AFETR using a Falcon 9 launch vehicle. The spacecraft measures approximately 0.2 meters in length with a diameter of 2.8 meters and a span of 9 meters. It has a dry mass of 275 kilograms and a launch mass of 297 kilograms, featuring solar arrays and batteries for power supply. Equipped with Ku/Ka-band payload and an optical inter-satellite link, the satellite is used for communication purposes. Its propulsion system includes Krypton ion thrusters. The mission aims to provide global communication services as part of Starlink Group 4-21-50.
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
275
Launch Mass
297
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Starlink Group 4-21-50
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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