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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

TIANMU-1 04, NORAD 55974 orbital data · OrbitalWiki

Catalog Operators Showcases Method Developers Pricing

Index/Operators/Aerospace Tianmu Satellite Tech. Co. Ltd./55974

SSOOperationalPayload

TIANMU-1 04

NORAD 55974COSPAR 2023-039BEpoch Oct 21, 2026

TIANMU-1 04 is a payload in SSO orbit, operated by Aerospace Tianmu Satellite Tech. Co. Ltd., launched 2023.

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Operator

Aerospace Tianmu Satellite Tech. Co. Ltd.Probable

via GCAT — Jonathan McDowell's General Catalog

Country

ChinaProbable

via GCAT — Jonathan McDowell's General Catalog

Launch date

2023-03-22Probable

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)

50Probable

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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How many satellites are in orbit right now?
How many satellites are launched each year?
How many satellites still work?
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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?

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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

TIANMU-1 05Same launch
TIANMU-1 03Same launch
TIANMU-1 06Same launch
2023-003ESame operator
TIANMU-1 07Same operator

Where this record sits

All Aerospace Tianmu Satellite Tech. Co. Ltd. satellites
China satellites and space activity
Everything in SSO

It went up on launch 2023-039, 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)

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