Description: Comet C/2022 E3 (ZTF) is a long-period comet discovered on March 2, 2022 by the Zwicky Transient Facility (ZTF) telescope, a project by the University of California at the Palomar Observatory. This comet, which is heading toward the inner solar system, has a very elliptical orbit, meaning its close pass by the Sun occurs at long intervals, making it a rare visitor.
With a bright coma and a visible tail, C/2022 E3 (ZTF) gained global attention for its close approach to Earth in early 2023, allowing astronomers and amateur observers to follow and study it with the naked eye. Although this comet has not been visited by any space missions, its visibility and origin from the depths of the solar system make it a valuable object of study for scientists interested in long-period comets.
History: Comet C/2022 E3 (ZTF) was discovered in 2022 during one of the routine observations of the ZTF telescope. This telescope, specializing in detecting transient objects in the sky, spotted the comet while it was still in the outer regions of the solar system. Since its discovery, its trajectory has been followed as it approached the Sun and Earth.
Its close pass by Earth in early 2023 made it one of the most observed comets in recent years. Although it did not reach the visibility of some famous comets, like Hale-Bopp, its pass was bright enough to be visible with amateur telescopes.
C/2022 E3 (ZTF) has a highly elliptical orbit that is expected to take it back to the distant regions of the solar system in its next pass, which won’t occur for thousands of years.
Uses:
- Scientific research: C/2022 E3 (ZTF) is of interest for astronomical research, particularly for the study of long-period comets, their composition, and behavior as they travel through the solar system.
- Astronomical observation: Due to its brightness, the comet was an object of observation for amateur astronomy, allowing a wide audience to track and study it.
- Astronomical education: The comet’s passage provided an excellent opportunity to educate the public about comets, their orbits, and the dynamics of the outer solar system.
Examples:
- Visibility in 2023: C/2022 E3 (ZTF) became visible to the naked eye during its approach in 2023 and was tracked by astronomers and amateur observers using telescopes and cameras.
- ZTF Telescope: The comet was discovered by the Zwicky Transient Facility telescope, which closely monitors transient objects such as asteroids, supernovas, and comets.