STARLINK-5551 (56359)

COSPAR: 2023-058AU | Alt Name: Starlink 5551

Image
STARLINK-5551 Satellite Image
Additional Sources
Launch Details

Launch Date

April 27, 2023

Launch Site

AFWTR

Launch Pad

SLC4E

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

56359

International Designator

2023-058AU

Epoch

Sun, 19 Jul 2026 10:31:18 GMT

Apogee

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Perigee

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Inclination

97.28°

Right Ascension

197.66°

Eccentricity

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Argument of Perigee

94.44°

Period

95.64 min

Mean Motion

15.06 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-5551

Alternative Name

Starlink 5551

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 56359U 23058AU  26200.43841272 -.00000156  00000+0 -69085-5 0  9993
2 56359  97.2838 197.6597 0002294  94.4382 265.7108 15.05651971177945

Source: Celestrak

Summary
The STARLINK-5551 satellite, also known as Starlink 5551, is a communication satellite belonging to SpaceX's Starlink constellation. It was launched on April 27, 2023, from the AFWTR SLC4E pad using a Falcon 9 launch vehicle. The spacecraft has dimensions of 0.2 meters in length and 2.8 meters in diameter with a span of 9 meters. Its dry mass is 260 kilograms, and it weighs 300 kilograms at launch. STARLINK-5551 is equipped with Ku/Ka-band payload capabilities and optical inter-satellite links for communication purposes, powered by solar arrays and batteries. The satellite uses krypton ion thrusters for propulsion.

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

260

Launch Mass

300

Shape

Box + pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Starlink Group 3-5-43

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

Map
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