STARLINK-2509 (48318)

COSPAR: 2021-036AU | Alt Name: Starlink 2509

Image
STARLINK-2509 Satellite Image
Additional Sources
Launch Details

Launch Date

April 29, 2021

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

48318

International Designator

2021-036AU

Epoch

Fri, 03 Jul 2026 23:45:32 GMT

Apogee

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Perigee

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Inclination

53.16°

Right Ascension

280.77°

Eccentricity

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Argument of Perigee

77.42°

Period

94.01 min

Mean Motion

15.32 rev/day

Latitude

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Longitude

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Altitude

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Velocity

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Polar Plot
3D Visualization
Basic Satellite Info

Name

STARLINK-2509

Alternative Name

Starlink 2509

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 48318U 21036AU  26184.98996268 -.00000593  00000-0 -73533-5 0  9999
2 48318  53.1591 280.7683 0000576  77.4248 282.6818 15.31703118285846

Source: Celestrak

Summary
The STARLINK-2509 satellite, also known as Starlink 2509, is part of SpaceX's Starlink constellation and was launched on April 29, 2021, from the Cape Canaveral Space Force Station Launch Complex 40 using a Falcon 9 launch vehicle. This communication satellite has dimensions of approximately 0.2 meters in length, 2.8 meters in diameter, and spans about 9 meters. It has a dry mass of 248 kilograms and was launched with a total mass of 260 kilograms. The satellite is equipped with Ku/Ka-band payload communications (all), optical inter-satellite links (on prototypes), solar arrays for power generation, batteries, and Krypton ion thrusters for propulsion. Its shape consists of a box with an additional pan design. The mission purpose is to provide communication services as part of the broader Starlink 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

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-L24-44

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

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