STARLINK-3257 (50203)

COSPAR: 2021-125AZ | Alt Name: Starlink 3257

Image
STARLINK-3257 Satellite Image
Additional Sources
Launch Details

Launch Date

December 18, 2021

Launch Site

AFWTR

Launch Pad

SLC4E

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

50203

International Designator

2021-125AZ

Epoch

Sun, 19 Jul 2026 20:00:01 GMT

Apogee

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Perigee

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Inclination

53.16°

Right Ascension

4.51°

Eccentricity

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Argument of Perigee

69.42°

Period

94.16 min

Mean Motion

15.29 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-3257

Alternative Name

Starlink 3257

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 50203U 21125AZ  26200.83335647  .00034664  00000+0  12087-2 0  9992
2 50203  53.1611   4.5101 0001199  69.4215 157.4957 15.29336830  5831

Source: Celestrak

Summary
The satellite STARLINK-3257, also known as Starlink 3257, is a communication satellite operated by SpaceX (SPXS). It was launched on December 18, 2021, from the AFWTR SLC4E launch pad using a Falcon 9 launch vehicle. The spacecraft has dimensions of 0.2 meters in length, 2.8 meters in diameter, and spans up to 9 meters when its arrays are extended. It weighs 270 kilograms dry with a launch mass of 290 kilograms. Equipped with a Ku/Ka-band payload and an optical inter-satellite link, it uses solar arrays and batteries for power and krypton ion thrusters as propulsion. Its shape is described as a box with a pan configuration and is part of the Starlink Group 4-4-48 constellation mission.

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

270

Launch Mass

290

Shape

Box + pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Starlink Group 4-4-48

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

Map
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