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NASA’s Roman Space Telescope Cleared for Falcon Heavy Launch

Roman will map the Milky Way’s bulge with microlensing and transit surveys to hunt exoplanets while validating coronagraph technology for the Habitable Worlds Observatory.

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The Roman Space Telescope's coronagraph could change how astronomers observe exoplanets.
The James Webb Space Telescope explores deep space and maps dark matter.

Overview

  • Mission teams finished final integrations and cleared the telescope for a targeted launch on Sunday, Aug. 30, 2026, atop a SpaceX Falcon Heavy.
  • After liftoff Roman will cruise about 1 million miles to the Sun–Earth L2 point in roughly 30 days and then undergo about 100 days of deployment and instrument commissioning with full science operations targeted around January 2027.
  • The Galactic Bulge Time‑Domain Survey will consume more than a quarter of Roman’s five‑year primary mission and will combine frequent imaging for microlensing with transit monitoring to search for planets down to Earth‑ and moon‑size and for free‑floating objects.
  • Planners expect very large yields from the bulge program, on the order of 100,000 additional transiting detections, while Roman’s onboard coronagraph will serve as a technology pathfinder for the future Habitable Worlds Observatory.
  • The community already faces heavy competition for observing time and must prepare for terabyte‑scale daily data releases and the limited follow‑up potential of one‑off microlensing detections, which will increase demand on ground facilities and archives.