STARLINK-2557 (48299)

COSPAR: 2021-036Z | Alt Name: Starlink 2557

Image
STARLINK-2557 Satellite Image
Additional Sources
Launch Details

Launch Date

April 29, 2021

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

48299

International Designator

2021-036Z

Epoch

Sat, 04 Jul 2026 04:51:59 GMT

Apogee

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Perigee

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Inclination

53.16°

Right Ascension

253.25°

Eccentricity

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Argument of Perigee

55.56°

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-2557

Alternative Name

Starlink 2557

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 48299U 21036Z   26185.20277430  .00002939  00000-0  10641-3 0  9999
2 48299  53.1569 253.2541 0000908  55.5629 304.5458 15.31710233286263

Source: Celestrak

Summary
The STARLINK-2557 satellite, also known as Starlink 2557, is operated by SpaceX and was launched on April 29, 2021, from Cape Canaveral Air Force Station Launch Complex 40 aboard a Falcon 9 launch vehicle. The spacecraft has dimensions of approximately 0.2 meters in length with a diameter of 2.8 meters and a span of 9 meters. It weighs 260 kilograms at launch and 248 kilograms dry, equipped with solar arrays and batteries for power. The satellite is part of SpaceX's Starlink constellation and carries a Ku/Ka-band payload, with some prototypes also featuring optical inter-satellite links. Its mission is to provide communication services using krypton ion thrusters for propulsion.

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-L24-25

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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