STARLINK-5999 (56909)

COSPAR: 2023-083AK | Alt Name: Starlink 5999

Image
STARLINK-5999 Satellite Image
Additional Sources
Launch Details

Launch Date

June 12, 2023

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

56909

International Designator

2023-083AK

Epoch

Sat, 18 Jul 2026 23:42:29 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

43.00°

Right Ascension

49.60°

Eccentricity

Calculating...

Argument of Perigee

265.68°

Period

94.27 min

Mean Motion

15.28 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

STARLINK-5999

Alternative Name

Starlink 5999

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 56909U 23083AK  26199.98784446  .00000725  00000+0  35884-4 0  9997
2 56909  43.0038  49.5985 0001586 265.6766  94.3904 15.27574602171981

Source: Celestrak

Summary
The STARLINK-5999 satellite, also known as Starlink 5999, is part of SpaceX's Starlink constellation and was launched on June 12, 2023, from Launch Complex 40 at Cape Canaveral Air Force Station using a Falcon 9 launch vehicle. With a length of 0.2 meters and a diameter of 2.8 meters, the satellite has a span of 9 meters and weighs approximately 305 kilograms at launch. Equipped with Ku/Ka-band payload and an optical inter-satellite link, it uses krypton ion thrusters for propulsion and solar arrays along with batteries for power generation. The primary mission is communication, contributing to SpaceX's broader goal of providing global internet coverage through its constellation network.

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 5-11-34

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.

The Day the Dyna-Soar Dream Died

The Day the Dyna-Soar Dream Died

Exactly 62 years ago, Defense Secretary Robert McNamara ended the X-20 Dyna-Soar program, canceling one of the most ambitious spaceplane projects of the early Space Race - a vehicle that could have put aircraft in orbit decades before the Space Shuttle.

X Report 3 Jun 2025

X Report 3 Jun 2025

SpaceX gears up for an exciting week with multiple launches, including a crewed mission and the rescheduled Starlink delivery. Meanwhile, ULA faces criticism from the Space Force over delays in its Vulcan rocket program.

X Report 15 Nov 2024

X Report 15 Nov 2024

SpaceX preps for its sixth Starship test flight, moving the Super Heavy rocket to the pad. China's unveils a Starship-like reusable rocket concept, while Starlink expands with 24 new satellites launched.

Space Brief 8 Nov 2025

Space Brief 8 Nov 2025

Today's Space Brief covers major developments in Pentagon procurement methods, strategic satellite intelligence advancements, and increasing interest in drone technology within the defense sector.

Space Brief 3 Nov 2024

Space Brief 3 Nov 2024

Today focuses on Blue Origin's preparation for New Glenn's debut, SpaceX Crew-9's ISS maneuver, the importance of U.S.-China cooperation in space, and breathtaking ISS photography.

X Report 12 Feb 2025

X Report 12 Feb 2025

SpaceX swaps Crew Dragon capsules with NASA to accelerate Crew-10 launch, and successfully launches multiple Starlink satellites into orbit.

Space Brief 24 Sep 2025

Space Brief 24 Sep 2025

Key highlights on China's reusable rocket developments, U.S. military's Tranche 1 satellite launch, Space Force's weapons acquisition strategies, and more.

Vulcan Booster Anomaly Under Scrutiny After USSF-87 Launch | KeepTrack Space Brief

Vulcan Booster Anomaly Under Scrutiny After USSF-87 Launch | KeepTrack Space Brief

ULA Vulcan faces scrutiny after solid booster anomaly on USSF-87 mission. ThinKom wins portable satellite ground station contract. Space Force starts Project Hecate for GPS past 2040.