STARLINK-1641 (46174)

COSPAR: 2020-057BK | Alt Name: Starlink 1641

Image

Additional Sources

Launch Details

Launch Date

August 18, 2020

Launch Site

Cape Canaveral Space Force Station

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

46174

International Designator

2020-057BK

Epoch

Fri, 03 Jul 2026 23:25:35 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

53.04°

Right Ascension

81.21°

Eccentricity

Calculating...

Argument of Perigee

206.14°

Period

91.90 min

Mean Motion

15.67 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot

3D Visualization

Basic Satellite Info

Name

STARLINK-1641

Alternative Name

Starlink 1641

Type

Payload

Status

Partially operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 46174U 20057BK  26184.97610957  .00158037  00000-0  14362-2 0  9993

2 46174  53.0448  81.2103 0002172 206.1421 153.9485 15.66978811324625

Source: Celestrak

Summary

The satellite named STARLINK-1641 (OBJECT_ID: 2020-057BK) is a Starlink communication satellite manufactured by SPXS and owned by the same entity. Launched on August 18, 2020, from LC40 at AFETR using a Falcon 9 launch vehicle, it has dimensions of 0.2 meters in length, 2.8 meters in diameter, and spans 9 meters when fully deployed. The satellite's dry mass is 248 kilograms with a launch mass of 260 kilograms. It is equipped with a Ku/Ka-band payload and optical inter-satellite links (as prototypes), powered by solar arrays and batteries. Its propulsion system uses krypton ion thrusters for maneuvering in space. The satellite has a box plus pan shape and its primary mission is to facilitate communication services as part of the Starlink constellation, operating with a payload designated as Starlink V1.0-L10-55.

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

248

Launch Mass

260

Shape

Box + pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Starlink V1.0-L10-55

Purpose

Communication

Mission

Communication

Manufacturer

SPXS

Life Expectancy

Unknown

Bus

Starlink

Configuration

Unknown

Motor

Krypton ion thrusters

Equipment

Ku/Ka-band payload (all), optical inter-satellite links (a few prototypes)

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.

Crew-12 Set for Launch, Starlink Wins New Airline Customer | KeepTrack X Report

SpaceX Crew-12 mission set to launch astronauts to ISS on Feb 13. Starlink gains another airline partner for in-flight internet. Musk tops Forbes' 250 Greatest Innovators list.

Space Brief 29 Dec 2025

Today's highlights include Japan's new military satellite imagery initiative, NASA's SPHEREx map, and AST BlueBird 6's groundbreaking cellular array in low Earth orbit.

Space Brief 13 Dec 2024

Today's brief highlights the U.S. Space Force's upcoming modular satellite mission, increased military reliance on commercial space intelligence, and the demand for expanded commercial reserve support. Learn more about these advancements alongside our Satellite Spotlight on Yaogan-30 B.

€140M ESA Launcher Funding at Risk of Lapse | KeepTrack Space Brief

Nearly €140 million in ESA launcher development funds faces forfeiture with no replacement mechanism. Europe's independent launch capacity under pressure as Arianespace struggles.

The Day We Banned the Word "Film"

On January 20, 1972, the second KH-9 HEXAGON lifted off from Vandenberg - carrying the most sophisticated reconnaissance system ever built by engineers who weren't allowed to say 'film,' 'camera,' or even talk to each other about what they were doing.

Space Brief 4 Dec 2024

Today's brief covers significant advancements in materials technology for space applications, a U.S. Navy contract for rocket production facilities, and NATO's upcoming classified cloud system.

SpaceX Eyes Confidential IPO Filing at $1.75T Valuation | KeepTrack X Report

Reports suggest SpaceX considering confidential IPO filing this March at $1.75T+ valuation. Starship may not fly on NASA's revamped Artemis 3 mission. 25 Starlink sats launched.

Space Force Awards Pulse Space $40M for Laser Power Tech | KeepTrack Space Brief

Space Force awards Pulse Space $40 million to develop laser systems for transmitting power and data between spacecraft in orbit. Game-changing on-orbit energy transfer capability.