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← James Webb Space Telescope (JWST)
James Webb Space Telescope (JWST)
Image from the mission source record; may show an earlier flight.

James Webb Space Telescope (JWST)

Dec 25, 2021, 12:20 PM UTC · Launch Successful

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Mission stages

17 linked records

  9. JWST Science Live

    Event record

  14. JWST Image Release

    Event record

Event dates are published targets. Confirmed milestones appear below when reported.

Payload & science

  • reported

    Webb operating status

    Active observatory mission, as listed by NASA at the source review.

    Evidence

    This scientific record describes James Webb Space Telescope. Source review and discovery dates are separate.

    Verified 2026-11-01
  • reported

    Why the images look different

    Infrared measurements can reveal young stars and structures obscured by dust at visible wavelengths. Published images map those measurements into visible colors.

    Evidence

    This scientific record describes James Webb Space Telescope. Source review and discovery dates are separate.

    Verified 2026-11-01

What changed between flights?

Previous recorded flight of the same rocket configuration: SES-17 & Syracuse 4A, Oct 24, 2021, 2:10 AM UTC.

Published flight records. A dash means the source has not supplied a value.
FieldPrevious flightThis flight
MissionSES-17 & Syracuse 4AJames Webb Space Telescope (JWST)Different
PurposeCommunicationsAstrophysicsDifferent
OrbitGeostationary Transfer OrbitSun-Earth L2Different
Launch siteGuiana Space Centre, French GuianaGuiana Space Centre, French Guiana
VehicleAriane 5 ECA+Ariane 5 ECA+
Spacecraft——
Booster——
Sources and record details