STARLINK-5540 (56340)

COSPAR: 2023-058Z | Alt Name: Starlink 5540

Image
STARLINK-5540 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

56340

International Designator

2023-058Z

Epoch

Sun, 19 Jul 2026 23:58:42 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

97.28°

Right Ascension

199.34°

Eccentricity

Calculating...

Argument of Perigee

92.54°

Period

95.64 min

Mean Motion

15.06 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

STARLINK-5540

Alternative Name

Starlink 5540

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 56340U 23058Z   26200.99910382  .00000469  00000+0  36412-4 0  9995
2 56340  97.2838 199.3361 0002154  92.5447 267.6027 15.05654895178107

Source: Celestrak

Summary
The STARLINK-5540 satellite, also known as Starlink 5540, was launched on April 27, 2023, from AFWTR SLC4E using a Falcon 9 launch vehicle. It is part of the Starlink Group 3-5-24 and has a bus configuration designated as "Starlink." The satellite measures 0.2 meters in length, with a diameter of 2.8 meters and a span of 9 meters. Its dry mass is 260 kilograms, and it had a launch mass of 300 kilograms. Equipped with Ku/Ka-band payload and optical inter-satellite link communication systems, the satellite also uses krypton ion thrusters for propulsion. Power is provided by solar arrays and batteries, and its primary purpose is to facilitate communication services. The satellite was manufactured by SPXS and is owned by the same entity.

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 3-5-24

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
This tool will help you track the satellite's position and predict its upcoming passes over your location. Simply input the coordinates or click the geolocation button to get started.
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

X Report 27 Jul 2025

X Report 27 Jul 2025

SpaceX's rapid advancements continued this weekend with two consecutive Starlink missions and preparations for the upcoming Crew-11 launch, showcasing its efficiency and commitment to expanding satellite broadband coverage.

Space Brief 31 Oct 2025

Space Brief 31 Oct 2025

Today we explore defense-driven shifts in satellite operations amid geopolitical tensions and innovative projects pushing the boundaries of space technology.

Falcon 9 Lofts 46 Payloads Including CAS500-2 | KeepTrack X Report

Falcon 9 Lofts 46 Payloads Including CAS500-2 | KeepTrack X Report

SpaceX's third rideshare mission of 2026 delivered South Korea's CAS500-2 imager and 45 secondary payloads to Sun-synchronous orbit on Falcon 9.

Space Brief 10 Sep 2024

Space Brief 10 Sep 2024

Today’s Space Brief covers a rescued lunar orbiter, a thorough pre-launch check for a Jupiter-bound mission, and leadership changes in a satellite communication company. We also spotlight a recently launched CubeSat and an innovative act of deorbiting.

Space Brief 28 Aug 2025

Space Brief 28 Aug 2025

Today's briefing covers collaborations enhancing defense capabilities, new satellite technologies entering the market, and strategic shifts in military satellite applications.

Space Brief 5 Feb 2025

Space Brief 5 Feb 2025

Today's briefing covers strategic military developments including missile defense proposals and board realignments, intertwined with rising space defense exports and autonomous launcher progress.

X Report 5 Jan 2025

X Report 5 Jan 2025

SpaceX prepares for the next Starship test flight with significant vehicle upgrades, launches UAE's Thuraya-4 satellite, and reflects on a record-breaking 2024 while planning for a promising 2025.

Transporter 16 Carries 119 Payloads to SSO, X Report 29 Mar 2026

Transporter 16 Carries 119 Payloads to SSO, X Report 29 Mar 2026

Transporter 16 carries 119 payloads: SpaceX's rideshare mission targets Sun-synchronous orbit from Vandenberg, one of its densest manifests yet.