STARLINK-1975 (47573)

COSPAR: 2021-009AB | Alt Name: Starlink 1975

Image

Additional Sources

Launch Details

Launch Date

February 4, 2021

Launch Site

Cape Canaveral Space Force Station

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

47573

International Designator

2021-009AB

Epoch

Sun, 03 May 2026 06:04:34 GMT

Apogee

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Perigee

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Inclination

53.03°

Right Ascension

30.01°

Eccentricity

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Argument of Perigee

244.96°

Period

87.84 min

Mean Motion

16.39 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-1975

Alternative Name

Starlink 1975

Type

Payload

Status

Partially operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 47573U 21009AB  26123.25317280  .08781088  12288-4  67574-3 0  9997

2 47573  53.0301  30.0081 0008217 244.9551 115.0643 16.39434386290514

Source: Celestrak

Summary

The STARLINK-1975 satellite, also known as Starlink 1975, is operated by SpaceX and is part of the Starlink constellation for communication purposes. It was launched on February 4, 2021, from Cape Canaveral Air Force Station's LC40 launch pad using a Falcon 9 rocket. The satellite has dimensions of approximately 0.2 meters in length, 2.8 meters in diameter, and a span of 9 meters. Its dry mass is 248 kilograms, with an overall launch mass of 260 kilograms. It carries a Ku/Ka-band payload and optical inter-satellite links, powered by solar arrays and batteries. The propulsion system uses 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

Dry Mass

248

Launch Mass

260

Shape

Box + pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Starlink V1.0-L18-26

Purpose

Communication

Mission

Communication

Manufacturer

SPXS

Life Expectancy

Unknown

Bus

Starlink

Configuration

Unknown

Motor

Krypton ion thrusters

Equipment

Ku/Ka-band payload (all), optical inter-satellite links (a few prototypes)

Power System

Solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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