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Data from Jonathan's Space Report / planet4589.org, delivered clean.

2 datasets pulled from Jonathan's Space Report / planet4589.org's releases, checked field by field and shipped the way you want them — daily, weekly, or hourly, your call.

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Building Products

1
Building Products Global - objects from every launching state a… · 1957-10-04 (Sputnik 1) to present

Jonathan McDowell's General Catalog of Artificial Space Objects (GCAT)

Cable & Satellite

1
Cable & Satellite Global - satellites of every operator country… · Static snapshot current through 1 May 2023

UCS Satellite Database: 7,560 Operating Satellites, 28-Plus Fields Apiece

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Straight answers about Jonathan's Space Report / planet4589.org data

How many objects are in the Jonathan's Space Report catalog?

Roughly 70,000 rows in the main object catalog alone, spanning every payload, rocket stage, component and debris object cataloged since 1957, plus dozens of companion tables covering deep-space craft, suborbital flights, failed-to-orbit attempts and supporting databases of organizations, launch sites and vehicles.

How far back does the coverage go?

To the beginning: Sputnik 1 and its launching rocket, both launched 1957-10-04, hold catalog numbers S00001 through S00003. Coverage runs continuously from that date to the present and spans every launching state and organization worldwide - not just the US and Soviet programs.

What fields does each space object carry?

Thirty-three documented columns: identity and lineage keys (`JCAT`, `Satcat`, `Launch_Tag`, `Piece`, `Parent`), classification and names, a phase-based lifecycle timeline, owner, state, manufacturer, bus and motor, physical dimensions with estimate flags, and full orbit parameters with quality codes distinguishing measured values from estimates.

Can GCAT records be joined to other satellite catalogs?

Yes - deliberately. Each GCAT object carries a JCAT identifier whose S-prefix sequence matches the US SATCAT numbering scheme, so the same object resolves identically across external tracking catalogs. That single design choice turns seven decades of launch history into a bridge table rather than a reconciliation project.