STARLINK-3255 (50201)

COSPAR: 2021-125AX | Alt Name: Starlink 3255

Image
STARLINK-3255 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

50201

International Designator

2021-125AX

Epoch

Wed, 03 Jun 2026 05:08:20 GMT

Apogee

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Perigee

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Inclination

53.17°

Right Ascension

64.67°

Eccentricity

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Argument of Perigee

257.77°

Period

87.56 min

Mean Motion

16.45 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-3255

Alternative Name

Starlink 3255

Type

Payload

Status

Partially operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 50201U 21125AX  26154.21412794  .09384798  12454-4  30067-3 0  9994
2 50201  53.1708  64.6717 0006095 257.7681 102.2687 16.44504582251756

Source: Celestrak

Summary
STARLINK-3255 is a communication satellite under the Starlink series operated by SPXS (SpaceX). Launched on December 18, 2021, from SLC4E at AFWTR (Cape Canaveral Space Force Station) using a Falcon 9 launch vehicle, it has a dry mass of 270 kg and was launched with a mass of 290 kg. The satellite measures 0.2 meters in length, 2.8 meters in diameter, and spans 9 meters. Equipped with a Ku/Ka-band payload and an optical inter-satellite link for communication, it utilizes solar arrays and batteries for power generation. Additionally, it employs Krypton ion thrusters as its propulsion system. Its mission is to enhance global communication services as part of the Starlink Group 4-4-46 constellation.

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 4-4-46

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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