Roman telescope slipped forward

NASA is now targeting early September 2026 to launch the Nancy Grace Roman Space Telescope, moving the observatory up from a required launch-readiness date of May 2027. (nasa.gov) NASA said on April 22 that Roman is on track to reach Kennedy Space Center in June and lift off “as soon as early September.” The agency had said in December and again in March that the mission was aiming for “as early as fall 2026.” (nasa.gov 1) (nasa.gov 2) (nasa.gov 3) Roman is a 2.4-meter space telescope built to take wide, sharp infrared surveys of the sky, covering about 200 times the area Hubble can capture in a single infrared view. NASA says that combination is meant to support large sky maps rather than the narrower, deeper looks associated with Hubble and the James Webb Space Telescope. (stsci.edu) (nasa.gov) The mission’s main science targets are dark energy, exoplanets and infrared astrophysics. NASA says Roman will use its Wide Field Instrument for large surveys and fly a Coronagraph Instrument as a technology demonstration for blocking starlight and directly imaging faint nearby worlds. (nasa.gov 1) (nasa.gov 2) Moving the launch into early September compresses the final handoff from Maryland to Florida into the next few months, after Roman finished construction in November 2025 and completed major environmental tests. NASA’s April 21 video said those tests included acoustic, vibration and thermal-vacuum campaigns to simulate launch and space conditions. (nasa.gov 1) (nasa.gov 2) NASA’s current public materials still describe the mission as launching “by May 2027” in some places, while newer pages now specify September 2026 or “as soon as early September.” That reflects a schedule tightening over the last four months rather than a brand-new mission baseline published long ago. (nasa.gov) (nasa.gov) (nasa.gov) Roman is named for Nancy Grace Roman, NASA’s first chief astronomer, and the observatory is planned to operate near the Sun-Earth L2 point, the same general deep-space region used by Webb. NASA says that orbit gives spacecraft a stable thermal environment and a broad view away from Earth’s glare. (nasa.gov) (nasa.gov) If the current target holds, Roman will leave the ground months earlier than NASA’s formal readiness commitment and begin a mission the agency has framed as its next flagship survey telescope. The next marker is simpler: shipment to Florida in June, then a countdown toward September. (nasa.gov) (nasa.gov)