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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

TIANYI D, NORAD 64051 orbital data · OrbitalWiki

Catalog Operators Showcases Method Developers Pricing

Index/Operators/Zhangye Constellation Space Tech. Co. Ltd. / Nanchang Hangkong (Aeronautics) Univ./64051

SSOOperationalPayload

TIANYI D

NORAD 64051COSPAR 2025-103DEpoch Oct 21, 2026

TIANYI D is a payload in SSO orbit, operated by Zhangye Constellation Space Tech. Co. Ltd. / Nanchang Hangkong (Aeronautics) Univ., launched 2025.

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Operator

Zhangye Constellation Space Tech. Co. Ltd. / Nanchang Hangkong (Aeronautics) Univ.Probable

via GCAT — Jonathan McDowell's General Catalog

Country

ChinaProbable

via GCAT — Jonathan McDowell's General Catalog

Launch date

2025-05-17Probable

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)

300Probable

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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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
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Product

About
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Change feed
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Status

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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

TIANYI ESame launch
TIANYI CSame launch
TIANYI FSame launch
TIANYI BSame orbit class
2025-108ASame orbit class

Where this record sits

All Zhangye Constellation Space Tech. Co. Ltd. / Nanchang Hangkong (Aeronautics) Univ. satellites
China satellites and space activity
Everything in SSO

It went up on launch 2025-103, 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 Oct 23, 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