Lucy Team Analyzing Problem with Spacecraft Solar Array

An artist’s concept of the Lucy Mission. (Credit: SwRI)

GREENBELT, Md. (NASA PR) — Following a successful launch on Oct. 16, 2021, analysis of NASA’s Lucy spacecraft systems show the spacecraft is operating well and is stable. Lucy’s two solar arrays have deployed, and both are producing power and the battery is charging. While one of the arrays has latched, indications are that the second array may not be fully latched. All other subsystems are normal. In the current spacecraft attitude, Lucy can continue to operate with no threat to its health and safety. The team is analyzing spacecraft data to understand the situation and determine next steps to achieve full deployment of the solar array.

Editor’s Note: The main question appears to be how the situation might affect thruster firings on the spacecraft, which is due to explore one main-belt asteroid and seven Trojan asteroids during its 12-year mission.

NASA, ULA Launch Lucy Mission to ‘Fossils’ of Planet Formation

A United Launch Alliance Atlas V rocket with the Lucy spacecraft aboard is seen in this 2 minute and 30 second exposure photograph as it launches from Space Launch Complex 41, Saturday, Oct. 16, 2021, at Cape Canaveral Space Force Station in Florida. Lucy will be the first spacecraft to study 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. (Credits: NASA/Bill Ingalls)

CAPE CANAVERAL SPACE FORCE BASE, Fla. (NASA PR) — NASA’s Lucy mission, the agency’s first to Jupiter’s Trojan asteroids, launched at 5:34 a.m. EDT Saturday on a United Launch Alliance (ULA) Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Space Force Station in Florida.

(more…)

NASA Sets Coverage, Invites Public to Virtually Join Lucy Launch

An artist’s concept of the Lucy Mission. (Credit: SwRI)

KENNEDY SPACE CENTER, Fla. (NASA PR) — 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 Saturday, Oct. 16, on a United Launch Alliance (ULA) Atlas V 401 rocket from Space Launch Complex 41 at Cape Canaveral Space Force Station in Florida.

(more…)

NASA’s Lucy Mission Prepares for Launch to Trojan Asteroids

An artist’s concept of the Lucy Mission. (Credit: SwRI)

KENNEDY SPACE CENTER, Fla. (NASA PR) — NASA has tested the functions of Lucy, the agency’s first spacecraft to study Jupiter’s Trojan asteroids, filled it with fuel, and is preparing to pack it into a capsule for launch Saturday, Oct. 16.

Named after characters in Greek mythology, these asteroids circle the Sun in two swarms, with one group leading ahead of Jupiter in its path, the other trailing behind it. Lucy will be the first spacecraft to visit these asteroids. By studying these asteroids up close, scientists hope to hone their theories on how our solar system’s planets formed 4.5 billion years ago and why they ended up in their current configuration.

(more…)

Lucy Is Going to Space to Study Trojan Asteroids

GREENBELT, Md. (NASA PR) — Time capsules from the birth of our Solar System more than 4 billion years ago, the swarms of Trojan asteroids associated with Jupiter are thought to be remnants of the primordial material that formed the outer planets. The Trojans orbit the Sun in two loose groups, with one group leading ahead of Jupiter in its path, the other trailing behind.

(more…)

NASA Begins Launch Preparations for First Mission to the Trojan Asteroids

An artist’s concept of the Lucy Mission. (Credit: SwRI)

NASA’s first spacecraft to explore the Trojan asteroids arrived Friday, July 30, at the agency’s Kennedy Space Center (KSC) in Florida. It is now in a cleanroom at nearby Astrotech, ready to begin final preparations for its October launch.

The mission has a 23-day launch period beginning on October 16. Lucy will undergo final testing and fueling prior to being moved to its launch pad at Cape Canaveral Space Force Station.

(more…)

Comet Makes a Pit Stop Near Jupiter’s Asteroids

NASA’s Hubble Space Telescope snapped this image of the young comet P/2019 LD2 as it orbits near Jupiter’s captured ancient asteroids, which are called Trojans. The Hubble view reveals a 400,000-mile-long tail of dust and gas flowing from the wayward comet’s bright solid nucleus. (Credit: NASA/ESA/J. Olmsted/STScI)

PASADENA, Calif. (NASA PR) — For the first time, a wayward comet-like object has been spotted near the family of ancient asteroids.

After traveling several billion miles toward the Sun, a wayward young comet-like object orbiting among the giant planets has found a temporary parking place along the way. The object has settled near a family of captured ancient asteroids, called Trojans, that are orbiting the Sun alongside Jupiter. This is the first time a comet-like object has been spotted near the Trojan population.

(more…)

How Were the Trojan Asteroids Discovered and Named?

This is a view of the inner solar system in a Jupiter-rotating reference frame. The camera begins at viewpoint oblique to the ecliptic plane, then moves up to a top-down view. Clusters of Trojan asteroids appear behind and ahead of Jupiter in its orbit. (Credits: NASA’s Scientific Visualization Studio)

By David Dezell Turner
Southwest Research Institute

BOULDER, Colo. — On Feb. 22, 1906, German astrophotographer Max Wolf helped reshape our understanding of the solar system. Again.

Born in 1863, Wolf had a habit of dramatically altering the astronomy landscape. Something of a prodigy, he discovered his first comet at only 21 years old. Then in 1890, he boldly declared that he planned to use wide-field photography in his quest to discover new asteroids, which would make him the first to do so. Two years later, Wolf had found 18 new asteroids. He later became the first person to use the “stereo comparator,” a View-Master-like device that showed two photographs of the sky at once so that moving asteroids appeared to pop out from the starry background.

(more…)

NASA’s First Mission to the Trojan Asteroids Installs its Final Scientific Instrument

Two engineers work on L’Ralph, the most complicated instrument that will fly on the Lucy mission to Jupiter’s Trojan asteroids. It is actually two instruments in one. The Multispectral Visible Imaging Camera (MVIC), will take visible light color images. The Linear Etalon Imaging Spectral Array (LEISA), will collect infrared spectra. (Credits: NASA/Goddard/Barbara Lambert/Desiree Stover)

LITTLETON, Colo. (NASA PR) — With less than a year to launch, NASA’s Lucy mission’s third and final scientific instrument has been integrated onto the spacecraft.

The spacecraft, which will be the first to explore the Trojan asteroids — a population of small bodies that share an orbit with Jupiter — is in the final stages of the assembly process. Just five months ago, at the beginning of the Assembly, Testing and Launch operations (ATLO) process, the components of the Lucy spacecraft were being built all over the country. Today, a nearly assembled spacecraft sits in the high bay in Lockheed Martin Space in Littleton, Colorado.

(more…)

NASA’s First Mission to the Trojan Asteroids Integrates its Second Scientific Instrument

An artist’s concept of the Lucy Mission. (Credit: SwRI)

GREENBELT, Md. (NASA PR) — NASA’s Lucy mission is one step closer to launch as L’TES, the Lucy Thermal Emission Spectrometer, has been successfully integrated on to the spacecraft.

“Having two of the three instruments integrated onto the spacecraft is an exciting milestone,” said Donya Douglas-Bradshaw, Lucy project manager from NASA’s Goddard Space Flight Center in Greenbelt, Maryland. “The L’TES team is to be commended for their true dedication and determination.”

(more…)

NASA Perseveres Through Pandemic, Looks Ahead in 2020, 2021

SpaceX Crew-1 astronauts Shannon Walker, Victor Glover, Michael Hopkins and Soichi Noguchi. (Credits: NASA)

WASHINGTON (NASA PR) — With 2020 more than half way through, NASA is gearing up for a busy rest of the year and 2021.

Following the recent successful launch of a Mars rover and safely bringing home astronauts from low-Earth orbit aboard a new commercial spacecraft, NASA is looking forward to more exploration firsts now through 2021.

(more…)

SwRI-led Lucy Mission One Step Closer to Trojan Asteroids

SAN ANTONIO, Texas (SwRI PR) — NASA’s Lucy mission, led by Southwest Research Institute (SwRI), has achieved an important milestone by passing its System Integration Review and clearing the way for spacecraft assembly.

This NASA Discovery Program class mission will be the first to explore Jupiter’s Trojan asteroids, ancient small bodies that share an orbit with Jupiter and hold important insights to understanding the early solar system.

(more…)