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Ionospheric Connection Explorer (ICON)

    ICON Mission Ends

    After contributing to many important findings on the boundary between Earth’s atmosphere and space — an area where space weather can interfere with both satellites and communications signals — NASA’s ICON (Ionospheric Connection Explorer) mission has come to an end. The mission launched in October 2019 and completed its two-year mission objectives in December 2021, …

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    ICON Mission Out of Contact

    On Nov. 25, 2022, NASA's Ionospheric Connection Explorer (ICON) team lost contact with the spacecraft. The ICON spacecraft is equipped with a built-in onboard command loss timer that will power cycle or reset the spacecraft after contact is lost for eight days. On Dec. 5, after the power cycle was complete, the team was still …

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    First ICON Science Data Released to Public

    On June 22, NASA's ICON team released scientific data collected during the spacecraft's first eight months in orbit to the public. The data release features observations from ICON's four instruments — MIGHTI, FUV, EUV, and IVM — which have been observing the ins and outs of the ionosphere, the sea of charged particles high in …

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    ICON Begins Study of Earth’s Ionosphere

    A Northrop Grumman Pegasus XL rocket launched NASA's Ionospheric Connection Explorer, or ICON, satellite at 9:59 p.m. EDT on Oct. 10 from Cape Canaveral Air Force Station (CCAFS) to study the dynamic zone in our atmosphere where terrestrial weather from below meets space weather from above. The satellite was attached to the Pegasus XL rocket, …

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    ICON Flying Solo

    This illustration depicts NASA's Ionospheric Connection Explorer, or ICON, satellite that will study the frontier of space: the dynamic zone high in our atmosphere where terrestrial weather from below meets space weather from above. Photo credit: NASA

    The Pegasus XL rocket has gone through each of its three stage motors, reaching a top speed of nearly 17,000 mph. ICON has now separated from the rocket to begin its mission, orbiting 360 miles above the Earth. Learn more about NASA's ICON mission at: https://www.nasa.gov/icon

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    Pegasus XL Second and Third Stages Do Their Jobs

    Following first stage separation, the second stage motor ignited 1 minute and 34 seconds after launch, burning for 1 minute, 14 seconds before shutting down and separating. At 7 minutes, 18 seconds after launch, the third stage engine ignited and will burn for 1 minute and 9 seconds.

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    And Drop! NASA’s ICON is on Its Way

    A Northrop Grumman Pegasus XL rocket is attached to the company's L-1011 Stargazer aircraft. Secured inside the rocket's payload fairing is NASA's Ionospheric Connection Explorer, or ICON, satellite.

    We have ignition! Northrop Grumman's Pegasus XL rocket is delivering ICON, NASA's Ionospheric Connection Explorer satellite, on its journey to the boundary between Earth and space where terrestrial weather from below meets space weather from above. After reaching 39,000 feet, the rocket was dropped from the underside of the Northrop Grumman L-1011 Stargazer aircraft about …

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    Stargazer Gearing up for Second Drop Attempt

    Northrop Grumman's L-1011 aircraft, Stargazer, is making its way back to the drop box – a 40-mile long area that the company's Pegasus XL rocket can be dropped in. Secured in the rocket's payload fairing in NASA's Ionospheric Connection Explorer (ICON) – a satellite developed to study the Earth's ionosphere, where terrestrial weather from below meets …

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    First Launch Opportunity Waved off Due to Aircraft Communication Issues

    The first launch opportunity of a Pegasus XL rocket, carrying NASA's Ionospheric Connection Explorer (ICON), was skipped due to communication issues between the ground team at Cape Canaveral Air Force Station in Florida and Northrop Grumman's L-1011 aircraft, Stargazer. The launch team is re-evaluating; the launch window remains open until 10:55 p.m. EDT.

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    Stargazer Enters the Drop Box

    The Northrop Grumman Pegasus XL rocket, carrying NASA's Ionospheric Connection Explorer (ICON), has arrived at the Skid Strip at Cape Canaveral Air Force Station in Florida on Oct. 1, 2019.

    Northrop Grumman's Stargazer aircraft, carrying the company's Pegasus XL rocket with NASA's Ionospheric Connection Explorer (ICON), has entered the drop box – a 40-mile long area that the rocket can be dropped in. At this point, Stargazer has reached the required altitude of 39,000 feet. In just a few moments, the rocket will drop from …

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