STARLINK-5811 (55787)

COSPAR: 2023-028AY | Alt Name: Starlink 5811

Image
STARLINK-5811 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

55787

International Designator

2023-028AY

Epoch

Sun, 19 Jul 2026 11:28:47 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

70.00°

Right Ascension

232.29°

Eccentricity

Calculating...

Argument of Perigee

266.81°

Period

96.11 min

Mean Motion

14.98 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

STARLINK-5811

Alternative Name

Starlink 5811

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 55787U 23028AY  26200.47832924 -.00000144  00000+0 -42705-5 0  9999
2 55787  69.9987 232.2946 0003737 266.8080  93.2651 14.98328453186761

Source: Celestrak

Summary
STARLINK-5811, also known as Starlink 5811, is a communication satellite launched by SpaceX (SPXS) on March 3, 2023, from Space Launch Complex 4E at the Vandenberg Space Force Station using a Falcon 9 launch vehicle. The spacecraft measures approximately 2.8 meters in diameter and extends to 9 meters when its solar arrays are deployed, with a dry mass of 290 kilograms and a launch mass of 305 kilograms. Equipped with Ku/Ka-band payload and an optical inter-satellite link for communication purposes, it also utilizes krypton ion thrusters for propulsion. Power is generated through solar arrays complemented by batteries. The satellite's shape consists of a box structure plus a pan configuration and forms part of the Starlink Group 2-7-47 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 2-7-47

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 18 Apr 2025

X Report 18 Apr 2025

Cape Canaveral launch site activities intensify; SpaceX explores new subscription model for Trump's Golden Dome.

Falcon 9 Booster Hits Record 35th Flight | KeepTrack X Report

Falcon 9 Booster Hits Record 35th Flight | KeepTrack X Report

A Falcon 9 booster sets a reusability record on its 35th flight during the Starlink 10-35 mission, the constellation's 53rd dedicated launch.

X Report 17 May 2025

X Report 17 May 2025

SpaceX gains regulatory approval for a new Starship test flight, further expands its role in U.S. defense, and successfully launches 26 additional Starlink satellites. United Airlines also rolls out Starlink Wi-Fi on its flights.

SpaceX Names AI Megaconstellation "Starmind" | KeepTrack X Report

SpaceX Names AI Megaconstellation "Starmind" | KeepTrack X Report

SpaceX officially names its planned AI megaconstellation Starmind while a Falcon 9 upper stage targets a lunar impact this August.

X Report 6 Jun 2025

X Report 6 Jun 2025

Today's SpaceX Brief highlights the imminent launch of the Ax-4 mission, notable milestones in Falcon rocket history, and the impact of political tensions on SpaceX operations.

SpaceX Buys Cursor AI for $60B After IPO, X Report 17 Jun 2026

SpaceX Buys Cursor AI for $60B After IPO, X Report 17 Jun 2026

SpaceX acquires Cursor AI maker Anysphere for $60B in its first post-IPO deal, as Falcon 9 lofts 3 Block 2 BlueBird satellites for AST SpaceMobile.

Starlink Hits 10,000 Satellites in Orbit, X Report 17 Mar 2026

Starlink Hits 10,000 Satellites in Orbit, X Report 17 Mar 2026

How many Starlink satellites are in orbit in 2026? SpaceX passed 10,000 after the Starlink 17-24 launch, with 10,020 in orbit and 11,529 launched.

X Report 30 Aug 2025

X Report 30 Aug 2025

SpaceX impresses with the successful launch of 24 Starlink satellites and shares stunning visuals from the recent Starship Flight 10, which demonstrated remarkable landing precision.