STARLINK-5257 (55316)

COSPAR: 2023-010AZ | Alt Name: Starlink 5257

Image
STARLINK-5257 Satellite Image
Additional Sources
Launch Details

Launch Date

January 19, 2023

Launch Site

AFWTR

Launch Pad

SLC4E

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

55316

International Designator

2023-010AZ

Epoch

Sun, 19 Jul 2026 19:08:05 GMT

Apogee

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Perigee

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Inclination

70.00°

Right Ascension

31.26°

Eccentricity

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Argument of Perigee

266.67°

Period

96.11 min

Mean Motion

14.98 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-5257

Alternative Name

Starlink 5257

Type

Payload

Status

Operational

Owner

SPXS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 55316U 23010AZ  26200.79728316 -.00000339  00000+0 -20588-4 0  9992
2 55316  69.9997  31.2620 0002708 266.6731  93.4118 14.98328963194433

Source: Celestrak

Summary
STARLINK-5257 is a communication satellite belonging to the Starlink constellation, launched on January 19, 2023, from AFWTR's SLC4E launch pad using a Falcon 9 launch vehicle. The satellite has dimensions of 0.2 meters in length, 2.8 meters in diameter, and spans 9 meters when fully deployed. It weighs 305 kilograms at launch with a dry mass of 290 kilograms. Equipped with Ku/Ka-band payload and an optical inter-satellite link, it uses solar arrays and batteries for power. The satellite employs krypton ion thrusters as its motor system and has a box-shaped body with an attached pan configuration. Owned by SPXS (SpaceX), STARLINK-5257 is part of the Starlink Group 2-4-48 payload, designed to facilitate global communication services.

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

290

Launch Mass

305

Shape

Box + pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Starlink Group 2-4-48

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

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