STARLINK-5581 (55373)

COSPAR: 2023-013AU | Alt Name: Starlink 5581

Image
STARLINK-5581 Satellite Image
Additional Sources
Launch Details

Launch Date

January 26, 2023

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

55373

International Designator

2023-013AU

Epoch

Mon, 20 Jul 2026 12:26:06 GMT

Apogee

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Perigee

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Inclination

43.01°

Right Ascension

291.72°

Eccentricity

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Argument of Perigee

271.46°

Period

94.27 min

Mean Motion

15.28 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-5581

Alternative Name

Starlink 5581

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 55373U 23013AU  26201.51812900  .00000219  00000+0  17507-4 0  9994
2 55373  43.0052 291.7156 0001800 271.4552  88.6093 15.27577091191778

Source: Celestrak

Summary
STARLINK-5581 is a Starlink satellite launched by SpaceX on January 26, 2023, from Cape Canaveral Air Force Station's Launch Complex 40 using a Falcon 9 launch vehicle. The spacecraft measures 0.2 meters in length and has a diameter of 2.8 meters with a span of 9 meters. It has a dry mass of 290 kilograms and was launched with a total mass of 305 kilograms. Equipped with Ku/Ka-band payload and an optical inter-satellite link, the satellite is powered by solar arrays and batteries and uses Krypton ion thrusters for propulsion. Its mission is to provide communication services as part of SpaceX's Starlink constellation.

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

290

Launch Mass

305

Shape

Box + pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Starlink Group 5-2-43

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

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