Spectrum | AT-Astra and Others (Spectrum Flight 3)

When Does Spectrum | AT-Astra and Others (Spectrum Flight 3) Launch?

Live Countdown to Liftoff

Spectrum | AT-Astra and Others (Spectrum Flight 3) is scheduled to lift off on Thursday, December 31, 2026 — 78 days from now. date tbd

77
Days
13
Hours
27
Minutes
31
Seconds
LIFTOFF!

Spectrum | AT-Astra and Others (Spectrum Flight 3) is scheduled to lift off Thursday, December 31, 2026 from Orbital Launch Pad. Status: To Be Determined. Live countdown, updated daily as the window shifts.

Third test flight of the Isar Spectrum launch vehicle. This launch will carry various satellites including R-Space’s AT-Astra/IOD-01, which will perform in-orbit demonstrations for ENPULSION, SUNBOOSTER GmbH, and Synopsis Planet. This mission is flown by Isar Aerospace. It is classified as a technology mission. Liftoff is planned from Orbital Launch Pad at Andøya Spaceport. Current status from Launch Library: To Be Determined. Launch windows shift often; this page is rebuilt every day with the latest scheduled time.

Spectrum | AT-Astra and Others (Spectrum Flight 3) is scheduled to lift off on Thursday, December 31, 2026. The countdown above updates live, so you always see exactly how many days, hours, and minutes are left.

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Launch times come from the Launch Library 2 API and shift often — this page is rebuilt every day with the latest schedule. Page updated October 14, 2026.