TBD

EWS OD-1

Minotaur IVNorthrop Grumman Space SystemsSpace Launch Complex 8

H1 2027 · Date and time TBD

Calendar available when time is confirmed

NextMission AnnouncedT-720:00:00

Time to launch

Schedule watchTracking updates

H1 2027Exact time confirmed closer to launch

Launch Window Confidence

46% — Uncertain

Mission Brief

The Electro-Optical/Infrared Weather System (EWS) Operational Demonstration-1 (OD-1) is a weather satellite for the United States Space Force. It is a prototype satellite made by General Atomics that will be place in LEO for a three-year demonstration mission of new EO/IR sensor technologies to various US military branches, and to act as a stop-gap for Defense Department needs for weather data.

PayloadEWS OD-1

OrbitSun-Synchronous Orbit

CustomerNorthrop Grumman Space Systems

Stages4

PadSpace Launch Complex 8, Vandenberg SFB, CA, USA

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-720:00:0012:00 AM UTC
Vehicle RolloutT-48:00:0012:00 AM UTC
Wet Dress RehearsalT-24:00:0012:00 AM UTC

Ground vector

Launch site

Site locked

Space Launch Complex 8

Vandenberg SFB, CA, USA

Global range

Latitude: 34.576°N
Longitude: 120.632°W

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

Vehicle

Minotaur IV

Profile →

The Minotaur IV launch system is derived from the Peacekeeper ICBM. The first three stages are taken directly from decommissioned Peacekeeper missiles. A fourth stage, the Orion-38, is...

Height23.9 m

LEO Payload1,735 kg

Launches18

Successes17

Provider

Northrop Grumman Space Systems

Profile →

USA • Founded 2015

Northrup Grumman Space Systems designs, builds and delivers space, defence and aviation-related systems to customers around the world. They aquired Orbital ATK in 2018 along with its launchers and ongoing missi...

Schedule History

Only meaningful launch-time and status changes are shown.

Dec 3112:00 AM

Jun 3012:00 AM

Schedule updated

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