Minor Planet Center vs SkyBiometry

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthnoneapiKey
CORSyesyes
HTTPSnono
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (data derived from JPL/MPC)Unverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Minor Planet Center vs SkyBiometry: common questions

Which is more reliable, Minor Planet Center or SkyBiometry?

On our scheduled checks, SkyBiometry leads on measured uptime — Minor Planet Center at —% versus SkyBiometry at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Minor Planet Center and SkyBiometry need an API key?

Minor Planet Center needs no key, while SkyBiometry requires a free API key. If you want to start calling without signup, reach for Minor Planet Center first.

Can I call Minor Planet Center and SkyBiometry from the browser?

Neither sends browser-friendly CORS headers reliably, so call Minor Planet Center and SkyBiometry from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Minor Planet Center and SkyBiometry free for commercial use?

Minor Planet Center has unclear commercial terms, and SkyBiometry has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.