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[1]CelesTrak (opens in new tab)orbital elements
[2]GCAT / J. McDowell (opens in new tab)launch catalog
[3]Wikidata (opens in new tab)metadata enrichment
[4]SatNOGS DB (opens in new tab)radio transmitters (CC BY-SA 4.0)

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Catalog Operators Showcases Method Developers Pricing

Index/Operators/International Maritime Satellite Organization Ltd,/50319

GEOOperationalPayload

INMARSAT 6-F1

NORAD 50319COSPAR 2021-128AEpoch Oct 21, 2026

INMARSAT 6-F1 is a payload in GEO orbit, operated by International Maritime Satellite Organization Ltd,, launched 2021.

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Operator

International Maritime Satellite Organization Ltd,Probable

via GCAT — Jonathan McDowell's General Catalog

Country

United KingdomProbable

via GCAT — Jonathan McDowell's General Catalog

Launch date

2021-12-22Probable

via GCAT — Jonathan McDowell's General Catalog

Object class

PAYLOADProbable

via GCAT — Jonathan McDowell's General Catalog

Operational status

OPERATIONALProbable

via CelesTrak SATCAT

Launch mass (kg)

5470Probable

via GCAT — Jonathan McDowell's General Catalog

Orbital regime

HEOProbable

via GCAT — Jonathan McDowell's General Catalog

Launch site

Not availableUnknown

source unknown

Launch vehicle

Not availableUnknown

source unknown

Not available in the current data

· Alternate names
· Constellation membership

Data quality

Quality95 / 100

OrbitalWiki

Open satellite records with source claims attached. Use the UI for lookup or the API for products, research, and internal tools.

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Explore

Browse everything
Compare satellites
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Statistics

How many satellites are in orbit right now?
How many satellites are launched each year?
How many satellites still work?
How many Starlink satellites are there?
Statistics
What is the oldest satellite still in orbit?
What orbits are satellites in?
Which countries operate the most satellites?
Which operators run the most satellites?

Radio

Amateur radio
Pass predictions
What you need to receive

Learn

Articles
Education
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API keys
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Data stories
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Product

About
Affiliate program
Change feed
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Coverage
Launches
Orbital events
Pricing
Roadmap
Status

Account

Contact
Dashboard
Log in
Preferences
Sign up

Sources

[1]CelesTrak (opens in new tab)orbital elements
[2]GCAT / J. McDowell (opens in new tab)launch catalog
[3]Wikidata (opens in new tab)metadata enrichment

INMARSAT 6-F1, NORAD 50319 orbital data · OrbitalWiki

Related satellites

INMARSAT GX5Same operator
INMARSAT 5-F4Same operator
INMARSAT 5-F3Same operator
SHIYAN-12 01 (SY-12 01)Same orbit class
TURKSAT 5BSame orbit class

Where this record sits

All International Maritime Satellite Organization Ltd, satellites
United Kingdom satellites and space activity
Everything in GEO

It went up on launch 2021-128, alongside everything else on that flight

See it moving on the 3D globe alongside every other active object, propagated in your browser.

How many satellites are in orbit right now?

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//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Oct 23, 2026.

[4]

SatNOGS DB (opens in new tab)radio transmitters (CC BY-SA 4.0)

Legal

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OrbitalWiki / open database / ODbL-1.0Orbital data is approximate and not for operations