STARLINK-5639 (55365)

COSPAR: 2023-013AL | Alt Name: Starlink 5639

Image

Additional Sources

Launch Details

Launch Date

January 26, 2023

Launch Site

Cape Canaveral Space Force Station

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

55365

International Designator

2023-013AL

Epoch

Sun, 19 Jul 2026 07:10:13 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

43.00°

Right Ascension

298.06°

Eccentricity

Calculating...

Argument of Perigee

276.52°

Period

94.27 min

Mean Motion

15.28 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot

3D Visualization

Explore in the Catalog

Starlink bus SpaceX Starlink constellation United States satellites Payloads

Basic Satellite Info

Name

STARLINK-5639

Alternative Name

Starlink 5639

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 55365U 23013AL  26200.29876728 -.00000401  00000+0 -50275-5 0  9992

2 55365  43.0022 298.0596 0001835 276.5208  83.5435 15.27575978191592

Source: Celestrak

Summary

STARLINK-5639 is a communication satellite launched on January 26, 2023, from Cape Canaveral Space Force Station's Launch Complex 40 using a Falcon 9 launch vehicle. It belongs to the Starlink constellation and has an object identifier of 2023-013AL with a NORAD catalog ID of 55365. The satellite measures 0.2 meters in length, 2.8 meters in diameter, and spans 9 meters when its solar arrays are deployed. It has a launch mass of 305 kilograms and a dry mass of 290 kilograms. Equipped with Ku/Ka-band payload for communication and an optical inter-satellite link, it is powered by solar arrays and batteries. The satellite uses krypton ion thrusters for propulsion and is manufactured by SpaceX (SPXS). Its shape resembles a box with panels extending outwards for its solar arrays.

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

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 5-2-35

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.

Latitude

Longitude

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.

Largest Satellite Debris Events

Space debris poses a mounting threat to both satellites and space missions. As we send more objects into orbit, the likelihood of collisions and subsequent breakups producing dangerous space debris increases. Recognizing the major events that have generated this dangerous space junk is pivotal in ensuring the safety of future space missions.

Falcon 9 Grounded After Upper Stage Anomaly, Crew-12 at Risk | KeepTrack X Report

SpaceX pauses all Falcon 9 launches after upper stage anomaly during Starlink mission. Crew-12 astronaut launch may be affected. Booster 19 rolls out for cryogenic testing.

Falcon Heavy Returns After 18-Month Hiatus for ViaSat-3 | KeepTrack X Report

SpaceX's Falcon Heavy lifts off for the 12th time after 18 months grounded, delivering the final ViaSat-3 satellite from LC-39A at 10:21 a.m. EDT.

Space Brief 21 Oct 2025

Today's brief covers the latest in satellite technology contracts, China's rocket launch ambitions, and new launch authorizations paving the way for space exploration advancements.

The Day America Gained New Eyes on Mars

Fifty-six years ago, a revolutionary spacecraft launched toward the Red Planet after being saved from disaster by two quick-thinking technicians who risked their lives to prevent a rocket collapse

SpaceX Hits 50 Launches, Falcon Heavy Scrub, X Report 28 Apr 2026

SpaceX hit 50 launches in 2026 on April 26. Falcon Heavy's ViaSat-3 mission, only its 12th flight, scrubbed on weather at Kennedy; new date pending.

Space Force Reassigns GPS III to Falcon 9 After Vulcan Grounding | KeepTrack Space Brief

Space Force shifts GPS III satellite launch from ULA's Vulcan to SpaceX Falcon 9 due to persistent solid rocket booster issues. Critical navigation asset reassignment signals operational consequences.

Space Brief 7 Nov 2025

Today's brief highlights a landmark cooperation between NASA and China to prevent satellite collision, strategic steps in American space leadership through nuclear energy, a U.S. military missile test, and more.