STARLINK-3172 (51139)

COSPAR: 2022-005AM | Alt Name: Starlink 3172

Image
STARLINK-3172 Satellite Image
Additional Sources
Launch Details

Launch Date

January 19, 2022

Launch Pad

LC39A

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

51139

International Designator

2022-005AM

Epoch

Mon, 20 Jul 2026 00:37:20 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

53.16°

Right Ascension

61.62°

Eccentricity

Calculating...

Argument of Perigee

78.01°

Period

93.90 min

Mean Motion

15.34 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

STARLINK-3172

Alternative Name

Starlink 3172

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 51139U 22005AM  26201.02593698  .00004448  00000+0  14648-3 0  9996
2 51139  53.1613  61.6223 0000864  78.0148 282.0951 15.33549794248760

Source: Celestrak

Summary
The STARLINK-3172 satellite, also known as Starlink 3172, was launched on January 19, 2022, from Launch Pad LC39A at Cape Canaveral Air Force Station (AFETR) using a Falcon 9 launch vehicle. It is part of the Starlink Group 4-6-36 and is owned by SpaceX (SPXS). The satellite has dimensions of 0.2 meters in length, 2.8 meters in diameter, and spans 9 meters when its solar arrays are deployed. Its dry mass is 275 kilograms, with a launch mass of 297 kilograms. It features Ku/Ka-band payload capabilities and an optical inter-satellite link for communication purposes, powered by solar arrays and batteries. The satellite's propulsion system includes krypton ion thrusters for maneuvering.

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 4-6-36

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
This tool will help you track the satellite's position and predict its upcoming passes over your location. Simply input the coordinates or click the geolocation button to get started.
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.

FCC Approves 7,500 More Starlink Satellites, SpaceX Wins $739M Launch Contract | KeepTrack X Report

FCC Approves 7,500 More Starlink Satellites, SpaceX Wins $739M Launch Contract | KeepTrack X Report

FCC approves 7,500 additional Starlink Gen2 satellites. Space Force awards SpaceX $739M for nine national security launches. NASA plans Crew-11 medical evacuation from ISS on January 14.

X Report 30 Sep 2025

X Report 30 Sep 2025

SpaceX gears up for its next Starship flight while recent Falcon 9 missions make headlines with spectacular launches, bringing fresh Starlink satellites into orbit.

Space Brief 25 Jan 2025

Space Brief 25 Jan 2025

Today's Space Brief covers pivotal updates in military space capabilities, defense acquisitions, the UK's nuclear enhancements, and Boeing's financial challenges.

X Report 22 Jan 2025

X Report 22 Jan 2025

SpaceX marks a successful launch of 21 Starlink satellites, follows up after Starship explosion, and influences Qantas flights amid a busy operational schedule.

Blue Origin Announces 5,400-Satellite Constellation to Rival Starlink | KeepTrack X Report

Blue Origin Announces 5,400-Satellite Constellation to Rival Starlink | KeepTrack X Report

Blue Origin reveals plans for 5,400+ satellite constellation targeting enterprise and government with 6 Tbps capacity. SpaceX launches first West Coast Starlink mission of 2026 from Vandenberg.

Space Brief 18 Sep 2025

Space Brief 18 Sep 2025

Today's coverage includes China's recent satellite launch, the Space Force's challenges with current tracking capabilities, and advancements in nuclear propulsion from Ohio State.

Starship V3 Static Fire Ignites 33 Engines, X Report 15 Apr 2026

Starship V3 Static Fire Ignites 33 Engines, X Report 15 Apr 2026

SpaceX fired all 33 Raptor 3 engines in the Starship V3 static fire at Starbase, clearing Flight 12. Plus 1,000 Starlink satellites launched in 2026.

Starlink Airs First Super Bowl Ad, Artemis II Nears Launch | KeepTrack Space Brief

Starlink Airs First Super Bowl Ad, Artemis II Nears Launch | KeepTrack Space Brief

SpaceX debuts Starlink's first-ever Super Bowl ad to millions of viewers. Artemis II reaches Kennedy launch pad for first crewed lunar flyby since Apollo era.