AT-Astra and Others (Spectrum Flight 3)

Thu, Nov 26 · 3:00 PM ET (provisional)Provisional

Mission brief

What is happening

Isar Aerospace is launching AT-Astra and Others (Spectrum Flight 3) on a Spectrum from Orbital Launch Pad at Andøya Spaceport. It is a technology demonstration heading to Sun-Synchronous Orbit.

What stands out

Technology demonstration

At a glance

Destination: Sun-Synchronous Orbit
Payload: AT-Astra and Others (Spectrum Flight 3)
Mission type: Technology
Rocket: Spectrum
Provider: Isar Aerospace
Launch site: Orbital Launch Pad

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.

What changed

Every change to this schedule, logged as it happened. Most trackers only ever show you today's date.

OCT 29 · 10:00 PM UTC
Narrowed to an approximate hour
Detected by RocketRune
OCT 29 · 10:00 PM UTC
Date to be confirmed
Detected by RocketRune
OCT 29 · 10:00 PM UTC
Window closes 34 days earlier
2026-12-31 00:00 UTC → 2026-11-26 21:30 UTC
Detected by RocketRune
OCT 29 · 10:00 PM UTC
Moved 34 days earlier
2026-12-31 00:00 UTC → 2026-11-26 20:00 UTC
Detected by RocketRune

3 more entries in the full history of this launch. RocketRune Pro shows every change and every dated note.

Schedule confidence

LOW

Treat this date as provisional.

Why does RocketRune rate it this way?

Launch time known to within about an hour.
The date is published but not yet confirmed by the provider.
An official launch window has been published.
The launch time last changed 2 hours ago.

This is a RocketRune assessment of how firm the published schedule is, not a prediction of launch success. It is calculated from the date precision and status published by the launch provider, plus the schedule changes RocketRune has recorded for this mission.

Launch site: Orbital Launch Pad, Andøya Spaceport
Vehicle: Spectrum
Provider: Isar Aerospace
Orbit: SSO
Payload: AT-Astra and Others (Spectrum Flight 3)
Status: To Be Confirmed
Vehicle height: 28 m
Liftoff thrust: 675 kN
Vehicle type flights: 2
Vehicle type success rate: 50.0%

Can you see this launch from where you are?

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