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

Catalog Operators Showcases Method Developers Pricing

Index/Operators/Intelsat S.A., US headquarters/37834

GEOOperationalPayload

INTELSAT 18 (IS-18)

NORAD 37834COSPAR 2011-056AEpoch Oct 21, 2026

INTELSAT 18 (IS-18) is a payload in GEO orbit, operated by Intelsat S.A., US headquarters, launched 2011.

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Operator

Intelsat S.A., US headquartersProbable

via GCAT — Jonathan McDowell's General Catalog

Country

United StatesProbable

via GCAT — Jonathan McDowell's General Catalog

Launch date

2011-10-05Probable

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)

3200Probable

via GCAT — Jonathan McDowell's General Catalog

Orbital regime

GEO/SProbable

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

Quality90 / 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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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

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Articles
Education
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Product

About
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Change feed
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Launches
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Pricing
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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

Related satellites

INTELSAT 22 (IS-22)Same operator
INTELSAT 17 (IS-17)Same operator
INTELSAT 19 (IS-19)Same operator
INTELSAT 16 (IS-16)Same operator
INTELSAT 20 (IS-20)Same operator

Where this record sits

All Intelsat S.A., US headquarters satellites
United States satellites and space activity
Everything in GEO

It went up on launch 2011-056, alongside everything else on that flight

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

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Use this data

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//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Oct 22, 2026.

[4]

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

Legal

Privacy Terms Cookies Accessibility License

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

INTELSAT 18 (IS-18), NORAD 37834 orbital data · OrbitalWiki