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Orbitaldatagrid alternatives & similar sites

Space Tourism HQ LLC — 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
qspace.tech ↗	66 match 1 shared topics	Qspace Technologies	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
nycaerospace.org ↗	65 match 1 shared topics	NYC Aerospace \| Home	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mintakaspace.com ↗	65 match 1 shared topics	Mintaka Space Systems	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
moonkeyeu.com ↗	65 match 1 shared topics	MoonkeyEU - Space Launch Tracker	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mcgillspace.com ↗	65 match 1 shared topics	McGill Space Group	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
murb-space.com ↗	65 match 1 shared topics	MURB.Space	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astrolayers.com ↗	65 match 1 shared topics	Space Technology Startup Astrolayers	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
moonspacemodels.com ↗	65 match 1 shared topics	Home \| MOON - Space Models	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mitos-space.com ↗	65 match 1 shared topics	MITOS Space	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
pfinspace.com ↗	65 match 1 shared topics	Space Art by Paul Fjeld	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
guerrero-space-apps.org ↗	65 match 1 shared topics	NASA Space Apps Challenge	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
clearspace.today ↗	65 match 1 shared topics	ClearSpace	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astronomyindia.com ↗	65 match 1 shared topics	Astronomy, Indian Astronomy, Astronomy World, Astronomers, Cosmology, Space Agencies, Space Tourism, Astronomy Supplies, Astronomy Jobs, Astronomy Software, Physics.	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
moonmarsmuseum.com ↗	65 match 1 shared topics	Space Renaissance 4 All Gallery	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
myspacebase.com ↗	65 match 1 shared topics	Spacebase v2.1.8 \| Space Object Tracking	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
qsp.dev ↗	64 match 1 shared topics	Quiet Space Program	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mp-space.com ↗	64 match 1 shared topics	MP Space	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
multiscalespacesystems.com ↗	64 match 1 shared topics	Multiscale Space Systems	en	space-and-astronomy	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.