When does HADES-SA next pass over Tallinn?

The next HADES-SA (SO-127) pass over Tallinn starts at 13:54 local time on Sun 20 Sept, reaching 21° above the horizon and lasting about 6 minutes.

Can I see HADES-SA with the naked eye?

No — HADES-SA (SO-127) is far too small and faint to see. Each pass in the table is a radio reception window: point a UHF antenna up during the pass to receive its downlink. Higher-elevation passes give a stronger, longer signal.

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HADES-SA (SO-127) over Tallinn — next passes

Upcoming HADES-SA passes over Tallinn, Estonia for the next 3 days, in local Tallinn time — computed from the latest orbital elements and refreshed automatically.

Track HADES-SA live in 3D · about HADES-SA (SO-127)

Date	Local time	Max height	Lasts	Signal
Sun 20 Sept	13:54	21°	~6 min	usable
Sun 20 Sept	15:27	65°	~8 min	★ strong
Sun 20 Sept	17:04	10°	~2 min	usable
Mon 21 Sept	04:20	45°	~7 min	★ strong
Mon 21 Sept	05:54	27°	~7 min	★ strong
Mon 21 Sept	13:35	16°	~5 min	usable
Mon 21 Sept	15:07	78°	~7 min	★ strong
Mon 21 Sept	16:43	15°	~5 min	usable
Tue 22 Sept	04:01	30°	~7 min	★ strong
Tue 22 Sept	05:35	39°	~7 min	★ strong
Tue 22 Sept	13:17	12°	~3 min	usable
Tue 22 Sept	14:47	55°	~8 min	★ strong
Tue 22 Sept	16:22	22°	~6 min	usable
Wed 23 Sept	03:41	21°	~6 min	usable
Wed 23 Sept	05:15	56°	~7 min	★ strong
Wed 23 Sept	06:50	12°	~3 min	usable

How to catch HADES-SA from Tallinn

Every pass in the table is a radio window, day or night — HADES-SA is a PocketQube far too small to see with the naked eye.
Higher maximum elevation means a stronger, longer signal: the ★ passes (25°+) are the ones to record with a modest UHF antenna and an RTL-SDR.
Downlink: 436.875 MHz, FSK 200–1200 bps (SSDV images & CODEC2 voice).

HADES-SA pass times in nearby cities

Put this on your own site

The HADES-SA pass widgetembeds this exact schedule as a compact card on any website — free, localized in 10 languages, one iframe tag. There's also a JSON API for dashboards, Discord bots and Home Assistant.

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