STARLINK-2731 (48651)

COSPAR: 2021-044P | Alt Name: Starlink 2731

Image
STARLINK-2731 Satellite Image
Additional Sources
Launch Details

Launch Date

May 26, 2021

Launch Pad

LC40

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

48651

International Designator

2021-044P

Epoch

Sat, 04 Jul 2026 00:16:39 GMT

Apogee

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Perigee

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Inclination

53.16°

Right Ascension

292.75°

Eccentricity

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Argument of Perigee

80.96°

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-2731

Alternative Name

Starlink 2731

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 48651U 21044P   26185.01156977  .00002208  00000-0  82910-4 0  9999
2 48651  53.1559 292.7469 0001278  80.9565 279.1581 15.31697770281644

Source: Celestrak

Summary
The STARLINK-2731 satellite, also known as Starlink 2731, is part of SpaceX's Starlink constellation and was launched on May 26, 2021, from Cape Canaveral Air Force Station, Launch Complex 40, using a Falcon 9 launch vehicle. It has dimensions of approximately 0.2 meters in length, 2.8 meters in diameter, and spans about 9 meters. The satellite's dry mass is 248 kilograms, with a launch mass of 260 kilograms. Equipped with Ku/Ka-band payload (all) and optical inter-satellite links (a few prototypes), it serves a communication mission using solar arrays for power generation and batteries as a secondary energy source. The propulsion system utilizes Krypton ion thrusters. The satellite's shape is described as "Box + pan."

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-L28-14

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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