STARLINK-3149 (49423)

COSPAR: 2021-104R | Alt Name: Starlink 3149

Image
STARLINK-3149 Satellite Image
Additional Sources
Launch Details

Launch Date

November 13, 2021

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

49423

International Designator

2021-104R

Epoch

Tue, 31 Mar 2026 21:21:20 GMT

Apogee

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Perigee

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Inclination

53.20°

Right Ascension

104.59°

Eccentricity

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Argument of Perigee

322.99°

Period

87.33 min

Mean Motion

16.49 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
Basic Satellite Info

Name

STARLINK-3149

Alternative Name

Starlink 3149

Type

Payload

Status

Partially operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 49423U 21104R   26090.88982057  .11624119  12635-4  16335-3 0  9991
2 49423  53.2006 104.5877 0002942 322.9930  37.0920 16.48897220242328

Source: Celestrak

Summary
The Starlink-3149 satellite, designated by NORAD as 49423 and identified as OBJECT_ID 2021-104R, is a communication satellite owned and manufactured by SpaceX (SPXS). Launched on November 13, 2021, from the Cape Canaveral Air Force Station Launch Complex 40 via Falcon 9 rocket, this spacecraft measures 0.2 meters in length with a diameter of 2.8 meters and a span of 9 meters. It has a launch mass of 290 kg and a dry mass of 270 kg. The satellite is equipped with Ku/Ka-band payload for communication purposes and features optical inter-satellite links, powered by solar arrays and batteries, and maneuvered using krypton ion thrusters.

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 4-1-16

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
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