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Hitekno.com – Ke astronomer have found two mysterious object found in belt asteroid main. Both are found in red.

According to astronomers, these two mysterious red bodies should not be in the main asteroid belt.

New research published in The Astrophysical Journal Letters details the discovery of two very red main belt asteroids.

Named 203 Pompeja and 269 Justitia, the asteroids have a redder spectral marking than other asteroids in the main belt, the asteroid band that lies between the orbits of Mars and Jupiter.

The new paper was led by Japan Aerospace Exploration Agency (JAXA) astronomer Sunao Hasegawa.

This red asteroid resembles a trans-Neptunian object, that is, an object further away from Neptune, the planet farthest from the Sun (without neglecting the dwarf planet Pluto).

This could mean that 203 Pompeja and 269 Justitia formed far out there in the Kuiper Belt and then drifted inward when the solar system was young.

If confirmed, the new findings show how chaotic conditions were then and materials from different parts of the solar system sometimes mixed together.

The aim of this study was to document the distribution and composition of large asteroids in the main belt.

Large asteroids, especially those larger than 60 miles (100 km), likely survived the early days of the solar system.

By studying this mysterious object, scientist hope to get a glimpse of what conditions were like about 4 billion years ago.

astronomers carried out near-infrared spectroscopic observations of the main belt using the Telescope Facility (IRTF) and the Seoul National University Astronomical Observatory (SAO).

This international collaboration involves scientists from MIT, University of Hawai’i, Seoul National University, Kyoto University, and several other institutions.

Asteroid 203 Pompeja is 68 miles (110 km) in diameter, while 269 Justitia is only half that. Both have an extraordinary red spectrum, they reflect a lot of red light.

In fact, it is redder than a type D asteroid, previously believed to be the reddest object in the asteroid belt.

The outer solar system is packed with material left over from the formation of the solar system, including planetesimals (asteroids) and centaurs (ice planetesimals located between Jupiter and Neptune).

These distant objects are very red in color, containing complex organic compounds such as methane and methanol ice.

This compound, when viewed through a spectrograph, makes the asteroid appear reddish, as reported by Gizmodo, Saturday (31/7/2021).

In contrast, objects in the inner solar system have few traces of organic matter, so they tend to reflect blue light.

“Asteroids 203 Pompeja and 269 Justitia are thought to have formed near the outer edge of the Solar System, beyond the distant organic snow line and then moved into the asteroid belt during the early formation of the Solar System.,” notes the JAXA press release.

“Organic snow line,” the scientists refer to the location in the solar system where methanol and methane turn into ice.

These findings suggest that several main belt asteroids formed in the outer solar system, and populations of these objects may exist within the main belt.

The new study points to the main belt as a good destination for future missions.

That’s the discovery of two mysterious red bodies that shouldn’t be in the main asteroid belt according to astronomers(Suara.com/ Dythia Novianty).

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