Spectrum — mission imagery
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TBD

AT-Astra and Others (Spectrum Flight 3)

SpectrumIsar AerospaceOrbital Launch Pad
Thursday, December 31, 2026 · 12:00 AM UTCAdd to Calendar

NextMission AnnouncedT-720:00:00

Time to launch

172
DAYS
:
14
HRS
:
09
MIN
:
09
SEC
Launch Window Confidence
46% — Uncertain

Vehicle

Spectrum

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Spectrum is a small launch vehicle developed by German company Isar Aerospace.

Height28 m
LEO Payload1,000 kg
Launches10
Successes0

Provider

Isar Aerospace

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DEU • Founded 2018

Isar Aerospace is a German aerospace company based in Munich, Germany. The company was founded in 2018.

Mission Brief

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.

PayloadAT-Astra and Others (Spectrum Flight 3)
OrbitSun-Synchronous Orbit
CustomerIsar Aerospace
Stages2
PadOrbital Launch Pad, Andøya Spaceport

Mission Timeline

0 / 140%
Up next · Pre-launch

Mission Announced

Official mission announcement and payload assignment

T-720:00:00
12:00 AM UTC
  • Mission AnnouncedT-720:00:00
  • Vehicle RolloutT-48:00:00
  • Wet Dress RehearsalT-24:00:00
  • Launch Day PrepT-06:00:00

Ground vector

Launch site

Site locked

Orbital Launch Pad

Andøya Spaceport

Global range
SITE LOCK
Latitude
69.108°N
Longitude
15.589°E

Range Weather

Launch commit criteria

Clear
Watch
TrackingNo active constraints
Weather Rules

Tracking no weather issues at this time.

Primary concern
No weather issues
Rule count
0
Temperature
Not reported
Surface wind
Not reported
Window

12:00 AM UTC - 12:00 AM UTC

Delay History

1
Dec 31Dec 31TBD → TBD

Schedule updated