CAPE CANAVERAL, Fla. (AP) – A sophisticated space probe from NASA, on a quest to investigate a peculiar metallic asteroid, is scheduled to execute a crucial gravitational maneuver near Mars this week. This celestial assist will enable the spacecraft to gain velocity, while simultaneously capturing thousands of images that will serve as vital rehearsals for its primary objective in 2029.
The robotic explorer, christened Psyche in homage to its target celestial body, will perform a flyby of the fourth planet from the sun at an impressive speed of 12,333 mph (19,848 kph) on Friday, May 15th.
This particular celestial encounter is set to be remarkably close, with Psyche traversing a path merely 2,800 miles (4,500 kilometers) from Mars. This proximity is comparable to the longitudinal expanse of the United States.
Following this maneuver, the spacecraft will continue its trajectory towards the asteroid belt, a vast region situated between Mars and Jupiter, where its intriguing quarry resides.
All scientific instrumentation aboard the Psyche spacecraft will be fully operational during its passage by Mars.
In a coordinated effort, NASA’s two Mars rovers, in conjunction with a contingent of orbiting spacecraft from both the United States and Europe, will simultaneously conduct observations of the Martian surface and atmosphere. The data gathered will facilitate comparative analysis with Psyche’s observations.
Psyche’s imaging systems are already actively capturing the likeness of Mars. Initially depicted as a crescent shape during its approach, the planet will transform into a nearly full disc as it recedes into the rearview mirror of the spacecraft.
These varied visual perspectives will serve a dual purpose. According to Jim Bell of Arizona State University, the lead for the imaging team, they will enable mission operators to refine their instrument calibration while also yielding “simply magnificent photographic imagery,” as stated in a released communiqué.
Although the asteroid belt teems with countless celestial bodies, the vast majority are composed of rocky or icy material.
It is theorized that only a minute fraction of these objects are characterized by a metallic composition, akin to Psyche. This asteroid possesses an irregular, potato-like form, measuring approximately 173 miles in length and 144 miles in width (equivalent to 278 kilometers by 232 kilometers).
Scientific hypotheses suggest that this asteroid might represent the exposed nickel-iron nucleus of a nascent planet, which was subsequently reshaped by cataclysmic cosmic impacts.
Undertaking an in-depth examination of such an object promises to unveil profound insights into the formative stages of our solar system, which commenced approximately 4.6 billion years ago, and shed light on the origins of terrestrial life.
Following its launch in 2023, the spacecraft has now completed half of its six-year round-trip expedition to Psyche, situated in the remote expanses of the asteroid belt, at a distance three times that of Earth from the sun.
The anticipated arrival at the asteroid is slated for 2029, at which point the spacecraft will commence a two-year orbital study of its target.
This vehicle, approximately the size of a van, is propelled by solar electric propulsion, utilizing xenon gas thrusters for its movement.
Further details regarding the Psyche mission can be accessed here.
