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ICHB.ORG | INTERNATIONAL CATALOGUE OF HEAVENLY BODIES — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Space And Astronomy →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
sisc.org ↗	70 match 1 shared topics	The Society for International Space Cooperation: Let's Go!	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
africaspaceworkshops.blog ↗	66 match 1 shared topics	Africa Space Workshops – Further advancing the development of African space expertise, inclusivity, and cooperation in the international arena.	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
satellitehalloffame.com ↗	65 match 1 shared topics	Space & Satellite Hall of Fame \| Space & Satellite Professionals International	en	space-and-astronomy Drupal	robotsllmsaihumans	emailphone	none
satfuture.com ↗	65 match 1 shared topics	Space & Satellite Futures \| Space & Satellite Professionals International	United States~ en	space-and-astronomy Drupal	robotsllmsaihumans	emailphone	none
sastrochi.com ↗	65 match 1 shared topics	Sociedad Astronómica de Chihuahua	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
galacticresource.com ↗	63 match 1 shared topics	GalacticResource \| Milky Way Galaxy Map \| Exoplanets, Star Catalogs, Nebulae	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
100karman.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
100karmanline.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
100kmup.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
1kmup.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
gaiallr.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
gaiaslaunch.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
gaiaslandingregions.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
gaiaslandingregion.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
gaiaslanding.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
gaiallzones.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
gaiallz.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
gaiallregions.com ↗	63 match 1 shared topics	UNOLL — United Nations Office of Launches and Landings	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.