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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

GSAT0217 (GALILEO 21), NORAD 43057 orbital data · OrbitalWiki

Catalog Operators Showcases Method Developers Pricing

Index/Operators/European Global Navigation Satellite Systems Agency/43057

MEOOperationalPayload

GSAT0217 (GALILEO 21)

NORAD 43057COSPAR 2017-079CEpoch Sep 6, 2026

GSAT0217 (GALILEO 21) is a payload in MEO orbit, operated by European Global Navigation Satellite Systems Agency, launched 2017.

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Operator

European Global Navigation Satellite Systems AgencyProbable

via GCAT — Jonathan McDowell's General Catalog

Country

European UnionProbable

via GCAT — Jonathan McDowell's General Catalog

Launch date

2017-12-12Probable

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)

715Probable

via GCAT — Jonathan McDowell's General Catalog

Orbital regime

MEOProbable

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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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

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Dashboard
Log in
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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

GSAT0218 (GALILEO 22)Same launch
GSAT0216 (GALILEO 20)Same launch
GSAT0215 (GALILEO 19)Same launch
GSAT0221 (GALILEO 25)Same operator
GSAT0222 (GALILEO 26)Same operator

Where this record sits

All European Global Navigation Satellite Systems Agency satellites
European Union satellites and space activity
Everything in MEO

It went up on launch 2017-079, 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?

Use this data

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//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Sep 7, 2026.

[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