STARLINK-5557 (55770)

COSPAR: 2023-028AF | Alt Name: Starlink 5557

Image
STARLINK-5557 Satellite Image
Additional Sources
Launch Details

Launch Date

March 3, 2023

Launch Site

AFWTR

Launch Pad

SLC4E

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

55770

International Designator

2023-028AF

Epoch

Sun, 19 Jul 2026 11:35:07 GMT

Apogee

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Perigee

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Inclination

70.00°

Right Ascension

252.19°

Eccentricity

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Argument of Perigee

260.85°

Period

96.11 min

Mean Motion

14.98 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-5557

Alternative Name

Starlink 5557

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 55770U 23028AF  26200.48272778 -.00000006  00000+0  73388-5 0  9994
2 55770  69.9984 252.1905 0003458 260.8500  99.2268 14.98328011186273

Source: Celestrak

Summary
The STARLINK-5557 satellite, also known as Starlink 5557, is owned and manufactured by SpaceX (SPXS). It was launched on March 3, 2023, from Space Launch Complex 4E at Vandenberg Air Force Base using a Falcon 9 launch vehicle. The satellite measures 0.2 meters in length, has a diameter of 2.8 meters, and its solar arrays span up to 9 meters. It was designed for communication purposes with a dry mass of 290 kg and launched with a total mass of 305 kg. Equipped with Ku/Ka-band payload technology and an optical inter-satellite link, the satellite also includes krypton ion thrusters for propulsion and solar arrays along with batteries for power generation.

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 2-7-30

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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