STARLINK-4639 (53971)

COSPAR: 2022-125H | Alt Name: Starlink 4639
DECAYED

Image
STARLINK-4639 Satellite Image
Additional Sources
Launch Details

Launch Date

October 5, 2022

Launch Site

AFWTR

Launch Pad

SLC4E

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

53971

International Designator

2022-125H

Decay Date

2/12/2026

Basic Satellite Info

Name

STARLINK-4639

Alternative Name

Starlink 4639

Type

Payload

Status

Decayed

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
STARLINK-4639 is a communication satellite belonging to SpaceX's Starlink constellation. Launched on October 5, 2022, from AFWTR SLC4E using a Falcon 9 launch vehicle, the satellite measures 0.2 meters in length and 2.8 meters in diameter with a span of 9 meters. It has a dry mass of 290 kilograms and a launch mass of 305 kilograms. The spacecraft is equipped with a Ku/Ka-band payload and an optical inter-satellite link, powered by solar arrays and batteries. Its propulsion system includes krypton ion thrusters for maneuvering in orbit.

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 4-29-08

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

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