STARLINK-3126 (49444)

COSPAR: 2021-104AN | Alt Name: Starlink 3126

Image
STARLINK-3126 Satellite Image
Additional Sources
Launch Details

Launch Date

November 13, 2021

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

49444

International Designator

2021-104AN

Epoch

Fri, 03 Jul 2026 23:58:48 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

53.16°

Right Ascension

46.81°

Eccentricity

Calculating...

Argument of Perigee

101.33°

Period

95.44 min

Mean Motion

15.09 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

STARLINK-3126

Alternative Name

Starlink 3126

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 49444U 21104AN  26184.99916826  .00000097  00000-0  24202-4 0  9994
2 49444  53.1600  46.8054 0001255 101.3273 258.7860 15.08838930256474

Source: Celestrak

Summary
The STARLINK-3126 satellite, also known as Starlink 3126, is part of SpaceX's Starlink constellation and was launched on November 13, 2021, from the Cape Canaveral Space Force Station Launch Complex 40 using a Falcon 9 launch vehicle. The satellite has dimensions of 0.2 meters in length, 2.8 meters in diameter, and a span of 9 meters. It carries a Ku/Ka-band payload and an optical inter-satellite link for communication purposes. Its dry mass is 270 kg with a launch mass of 290 kg. The satellite uses solar arrays and batteries for power and is equipped with Krypton ion thrusters as its propulsion system.

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

270

Launch Mass

290

Shape

Box + pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Starlink Group 4-1-37

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.

Space Brief 12 Nov 2024

Space Brief 12 Nov 2024

Latest updates include China's Lijian-1 launching 15 satellites, a fiery Starlink reentry, SpaceX's milestone Falcon 9 booster landing, and China's support for its commercial space sector.

Space Brief 22 Oct 2024

Space Brief 22 Oct 2024

Today's Space Brief highlights SpaceX's 99th operational launch, China's calibration satellite launch, and Space Force's role in a commercial space age. Special spotlight on the satellite YAOGAN 1!

Space Brief 14 Feb 2025

Space Brief 14 Feb 2025

Key developments include Redwire's contract for a US Space Force mission, UK's steps toward its first orbital launch, and a detailed military satellite spotlight.

Space Force Adds Relativity, Impulse to NSSL Phase 3 | KeepTrack Space Brief

Space Force Adds Relativity, Impulse to NSSL Phase 3 | KeepTrack Space Brief

Space Force expands National Security Space Launch Phase 3 with Relativity Space and Impulse Space joining Lane 1 competition. New entrants gain pathway to military payload contracts.

X Report 26 Oct 2025

X Report 26 Oct 2025

SpaceX continues to make waves with record launches and emerging challenges in its lunar endeavors. A new launch site on the West Coast promises to ramp up capacity, even as the Falcon 9 prepares for its eventual retirement.

1 Million AI Data Centers in Orbit Threaten Astronomy | KeepTrack X Report

1 Million AI Data Centers in Orbit Threaten Astronomy | KeepTrack X Report

SpaceX's proposed 1-million-satellite AI data center constellation alarms astronomers as Falcon 9 logs its 25th Starlink launch of 2026.

X Report 25 Sep 2025

X Report 25 Sep 2025

SpaceX continues to make strides with multiple launches, including 28 Starlink satellites and NASA's IMAP mission, highlighting its ongoing role in advancing space weather research.

Space Brief 26 Feb 2025

Space Brief 26 Feb 2025

Today's brief covers the crash of a SpaceX Falcon 9 rocket over Europe, the Space Force's mapping efforts with Iron Dome, and key military appointments and funding decisions.