STARLINK-3145 (49455)

COSPAR: 2021-104AZ | Alt Name: Starlink 3145

Image
STARLINK-3145 Satellite Image
Additional Sources
Launch Details

Launch Date

November 13, 2021

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

49455

International Designator

2021-104AZ

Epoch

Sat, 04 Jul 2026 01:04:22 GMT

Apogee

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Perigee

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Inclination

53.16°

Right Ascension

56.59°

Eccentricity

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Argument of Perigee

90.64°

Period

95.41 min

Mean Motion

15.09 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-3145

Alternative Name

Starlink 3145

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 49455U 21104AZ  26185.04470777  .00053293  00000-0  33043-2 0  9990
2 49455  53.1611  56.5873 0002326  90.6372 269.4886 15.09247216256340

Source: Celestrak

Summary
The STARLINK-3145 satellite, also known as Starlink 3145, is part of SpaceX's Starlink constellation and was launched on November 13, 2021, from the Cape Canaveral Space Force Station using a Falcon 9 launch vehicle. This communication satellite has dimensions of 0.2 meters in length, 2.8 meters in diameter, and spans up to 9 meters when fully deployed. It weighs approximately 270 kilograms dry and was launched with a total mass of 290 kilograms. The satellite is equipped with a Ku/Ka-band payload for communication purposes and an optical inter-satellite link. Its power system consists of solar arrays and batteries, and it utilizes 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

270

Launch Mass

290

Shape

Box + pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Starlink Group 4-1-48

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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