NASA’s Lucy 12-Year Mission to Jupiter’s Trojan Asteroids Launches This Week – How To Watch It Live

On October 16, 2021, NASA’s Lucy spacecraft will begin its journey to visit a record-breaking number of asteroids. The 12-year mission starts from NASA’s Kennedy Space Center where it’ll launch aboard a United Launch Alliance Atlas V 401 rocket. From there, Lucy will be the first spacecraft to visit a record number of destinations in independent orbits around the sun – one main belt asteroid and seven of Jupiter’s Trojan Asteroids. Like the mission’s namesake – the fossilized human ancestor, “Lucy,” whose skeleton provided unique insight into humanity’s evolution – Lucy will revolutionize our knowledge of planetary origins and the formation of the solar system. Credit: NASA

NASA will provide coverage of upcoming prelaunch and launch activities for Lucy, the agency’s first mission to explore the Jupiter Trojan asteroids.

Lucy is scheduled to launch no earlier than 5:34 a.m. EDT on Saturday, October 16, on a United Launch Alliance (ULA) Atlas V 401 rocket from Space Launch Complex 41 at Cape Canaveral Space Force Station in Florida.

Live launch coverage will begin at 5 a.m. EDT on NASA Television, the NASA app, and the agency’s website. NASA will hold a prelaunch briefing on Wednesday, October 13, and science and engineering briefings on October 14.

Over its 12-year primary mission, Lucy will explore a record-breaking number of asteroids. The spacecraft will fly by one asteroid in the solar system’s main belt and seven Trojan asteroids. Lucy’s path will circle back to Earth three times for gravity assists, which will make it the first spacecraft ever to return to our planet’s vicinity from the outer solar system.

Lucy will be the first space mission to explore the Trojan asteroids. These are a population of small bodies that are left over from the formation of the solar system. They lead or follow Jupiter in their orbit around the Sun, and may tell us about the origins of organic materials on Earth. Lucy will fly by and carry out remote sensing on six different Trojan asteroids and will study surface geology, surface color, and composition, asteroid interiors/bulk properties, and will look at the satellites and rings of the Trojans. Credit: NASA’s Goddard Space Flight Center

Full mission coverage is as follows. Information is subject to change:

Wednesday, October 13

1 p.m.: Lucy prelaunch news conference with the following participants:

  • Thomas Zurbuchen, associate administrator, NASA’s Science Mission Directorate at the agency’s Headquarters in Washington.
  • Hal Levison, Lucy principal investigator, Southwest Research Institute.
  • Donya Douglas-Bradshaw, Lucy Project Manager at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.
  • John Elbon, Chief Operating Officer, United Launch Alliance.
  • Launch weather officer, 45th Weather Squadron, Space Launch Delta 45, Cape Canaveral Space Force Station.
  • Omar Baez, Lucy Launch Director, NASA’s Launch Services Program at Kennedy Space Center in Florida.

Thursday, October 14

10 a.m.: NASA EDGE: Live Lucy Rollout Show.

1 p.m.: Lucy science briefing with the following participants:

  • Adriana Ocampo, Lucy program executive, NASA Headquarters.
  • Cathy Olkin, Lucy deputy principal investigator, Southwest Research Institute.
  • Keith Noll, Lucy project scientist, Goddard.
  • Hal Weaver, principal investigator for Lucy’s L’LORRI instrument, Johns Hopkins Applied Physics Laboratory.
  • Phil Christensen, principal investigator for Lucy’s L’TES instrument, Arizona State University.
  • Dennis Reuter, principal investigator for Lucy’s L’Ralph instrument, Goddard.

3 p.m.: Lucy engineering briefing with the following participants:

  • Joan Salute, associate director for flight programs, Planetary Science Division, NASA Headquarters.
  • Jessica Lounsbury, Lucy project systems engineer, Goddard.
  • Katie Oakman, Lucy structures and mechanisms lead, Lockheed Martin Space.
  • Coralie Adam, deputy navigation team chief, KinetX Aerospace.

Friday, October 15

3:30 p.m.: NASA Science Live with the following participants:

  • Carly Howett, assistant director of the Department of Space Studies, Southwest Research Institute.
  • Wil Santiago, deep space exploration engineer, Lockheed Martin Space.
  • Donya Douglas-Bradshaw, Lucy project manager, Goddard.
  • Brittine Young, mentor for the NASA Lucy L’SPACE academy.
  • Wilbert Ruperto, ambassador for the NASA Lucy L’SPACE academy.

This episode will air live on NASA Television and stream live on the agency’s Facebook, Twitter and YouTube channels. Members of the public can participate live by sending questions using #askNASA or posting a comment in the live video chat stream.

Lucy is the first mission to explore the Jupiter Trojans – two swarms of asteroids that share Jupiter’s orbit, leading and trailing the giant planet by sixty degrees. These primitive bodies are thought to be the “fossils” of planet formation, trapped by Jupiter’s gravity at the dawn of the solar system. Now, NASA is sending Lucy on a winding, twelve-year-long path to visit one main-belt asteroid and seven Jupiter Trojans. Lucy will provide the first up-close look at these mysterious objects, helping scientists to better understand the evolution of the solar system. Credit: NASA’s Goddard Space Flight Center/Scientific Visualization Studio

NASA TV Launch Coverage

NASA TV live coverage will begin at 5 a.m. Saturday, October 16. For NASA TV downlink information, schedules, and links to streaming video, visit:

Audio only of the news conferences and launch coverage will be carried on the NASA “V” circuits, which may be accessed by dialing 321-867-1220, -1240, -1260 or -7135. On launch day, “mission audio,” countdown activities without NASA TV launch commentary, will be carried on 321-867-7135.

On launch day, a “clean feed” of the launch without NASA TV commentary will be carried on the NASA TV media channel.

NASA Website Launch Coverage

Launch day coverage will be available on the agency’s website. Coverage will include livestreaming and blog updates beginning no earlier than 5 a.m. October 16, as the countdown milestones occur. On-demand streaming video and photos of the launch will be available shortly after liftoff. Follow countdown coverage on our launch blog at:

Public Participation

Members of the public can register to attend the launch virtually. NASA’s virtual guest program for Lucy includes curated launch resources, a behind-the-scenes look at the mission, and the opportunity for a virtual guest launch passport stamp.

Virtual NASA Social

As NASA finalizes launch preparations, the agency invites the public to join its virtual NASA Social for the #LucyMission on Facebook. Stay up to date on the latest mission activities, interact with NASA team members in real-time, and watch the launch.

Watch and Engage on Social Media

Stay connected with the mission on social media, and let people know you’re following it on Twitter, Facebook, and Instagram using the hashtag #LucyMission – and tag the following accounts:

Twitter: @NASA, @NASASolarSystem, @NASASocial, @NASA_LSP, @SLDelta45

Facebook: NASA, NASASolarSystem, NASA LSP, SLDelta45

Instagram: NASA

The launch of this mission is managed by NASA’s Launch Services Program, based at Kennedy, America’s premier multi-user spaceport. Goddard provides overall mission management, systems engineering, and safety and mission assurance. Lucy’s principal investigator is based out of the Boulder, Colorado, branch of Southwest Research Institute. Lucy is the 13th mission in NASA’s Discovery Program. NASA’s Marshall Space Flight Center in Huntsville, Alabama, manages the Discovery Program for the agency’s Science Mission Directorate in Washington.

United Launch Alliance is the rocket provider for Lucy’s launch. Lockheed Martin Space in Littleton, Colorado, built the spacecraft.

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