STARLINK-35439 (66431)

COSPAR: 2025-259K | Alt Name: N/A

Image

Additional Sources

Launch Details

Launch Date

November 11, 2025

Launch Site

Cape Canaveral Space Force Station

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

66431

International Designator

2025-259K

Epoch

Sun, 19 Jul 2026 20:01:11 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

43.00°

Right Ascension

247.84°

Eccentricity

Calculating...

Argument of Perigee

301.54°

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 V2MO bus SpaceX Starlink constellation United States satellites Payloads

Basic Satellite Info

Name

STARLINK-35439

Alternative Name

N/A

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 66431U 25259K   26200.83416338  .00000915  00000+0  42763-4 0  9999

2 66431  43.0005 247.8421 0000783 301.5374  58.5401 15.27586925 39705

Source: Celestrak

Summary

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

0.3

Diameter

4.1

Span

29.0

Dry Mass

530

Launch Mass

575

Shape

Box + pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Starlink Group 6-87-10

Purpose

Unknown

Mission

Unknown

Manufacturer

SPXS

Life Expectancy

Unknown

Bus

Starlink V2MO

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

Unknown

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.

Falcon 9 Returns to Flight, Crew-12 Targets Feb 11 Launch | KeepTrack X Report

Falcon 9 returns to flight with Starlink 17-33 mission after brief stand-down. Crew-12 astronaut launch confirmed for Feb 11. SpaceX shifts Dragon launches away from pad 39A.

Space Brief 7 Nov 2024

Today's Space Brief covers major upcoming launches from SpaceX, US military missile tests, and developments in Virgin Galactic's fleet expansion. Stay informed on key satellite events and launch updates.

SpaceX Launches NROL-105 Spy Satellite, GE Validates Hypersonic Ramjet Engine | KeepTrack Space Brief

SpaceX launches NROL-105 spy satellite from Vandenberg in first national security mission of 2026. GE and Lockheed validate compact rotating detonation ramjet for hypersonic missiles.

Space Brief 10 Dec 2024

Today's highlights include a new 5G demonstration launch on Firefly, potential supply chain interruptions in the defense sector, and updates on Artemis and ULA launches.

X Report 9 Oct 2025

SpaceX continues to make strides with successful satellite launches and competitive maneuvering in the direct-to-device market, as AST SpaceMobile aligns with Verizon for space-based cellular services.

Artemis 2 Crew Arrives for April 1 Lunar Flyby Launch | KeepTrack Space Brief

Artemis 2 astronauts arrive at KSC for April 1 launch. Four-person crew will fly lunar free-return trajectory, first crewed lunar mission since Apollo 17 in 1972.

X Report 11 May 2025

SpaceX successfully launched 28 Starlink satellites from Florida, marking a significant milestone in their deployment strategy. This follows the recent launch of 26 satellites from California, highlighting ongoing expansion efforts.

The Day Discovery Took Her Final Flight

Fourteen years ago, Space Shuttle Discovery thundered into orbit one last time, carrying a robot astronaut and capping a remarkable 27-year career that revolutionized space exploration