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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

LEO EXPRESS 1, NORAD 58301 orbital data · OrbitalWiki

Catalog Operators Showcases Method Developers Pricing

Index/Operators/Impulse Space Propulsion/58301

SSOOperationalPayload

LEO EXPRESS 1

NORAD 58301COSPAR 2023-174AXEpoch Oct 20, 2026

LEO EXPRESS 1 is a payload in SSO orbit, operated by Impulse Space Propulsion, launched 2023.

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Operator

Impulse Space PropulsionProbable

via GCAT — Jonathan McDowell's General Catalog

Country

United StatesProbable

via GCAT — Jonathan McDowell's General Catalog

Launch date

2023-11-11Probable

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)

250Probable

via GCAT — Jonathan McDowell's General Catalog

Orbital regime

LLEO/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
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Product

About
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Change feed
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Launches
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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

ICEYE-X35Same launch
ION SCV-013Same launch
FLOCK 4Q-29Same launch
LEO EXPRESS 2Same operator
AETHER-2Same orbit class

Where this record sits

All Impulse Space Propulsion satellites
United States satellites and space activity
Everything in SSO

It went up on launch 2023-174, 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

Every field on this page is available as JSON, with the same sources and confidence attached.

GET /api/v1/satellites/58301

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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

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