**2500 Alascattalo**
**Definition:**
2500 Alascattalo is a main-belt asteroid discovered in the mid-20th century, notable for its orbital characteristics and physical properties typical of S-type asteroids. It is one of the numerous minor planets orbiting the Sun between Mars and Jupiter.
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## 2500 Alascattalo
### Introduction
2500 Alascattalo is a minor planet located in the asteroid belt between Mars and Jupiter. It was discovered during a period of extensive asteroid observations and has since been studied to understand its orbital dynamics, composition, and physical characteristics. As a member of the main asteroid belt, it contributes to the broader understanding of the early solar system and the processes that shaped planetary formation.
### Discovery and Naming
#### Discovery
2500 Alascattalo was discovered on October 8, 1979, by astronomer Nikolai Chernykh at the Crimean Astrophysical Observatory in Nauchnij, Crimea. Chernykh was a prolific discoverer of minor planets, contributing significantly to the cataloging of small solar system bodies during the latter half of the 20th century.
#### Naming
The asteroid was assigned the provisional designation 1979 TK before receiving its permanent number, 2500. The name „Alascattalo” is derived from a combination of terms or names, though the exact origin of the name is not widely documented in public records. It follows the tradition of naming minor planets after mythological figures, geographical locations, or notable individuals, reflecting the discoverer’s preferences or cultural references.
### Orbital Characteristics
#### Orbit Classification
2500 Alascattalo is classified as a main-belt asteroid, orbiting the Sun within the vast region between Mars and Jupiter. This region contains millions of such bodies, ranging in size from tiny rocks to dwarf planets.
#### Orbital Parameters
The asteroid orbits the Sun at an average distance (semi-major axis) of approximately 2.3 astronomical units (AU). Its orbit is moderately eccentric, with an eccentricity value around 0.15, indicating that its distance from the Sun varies somewhat during its orbit. The orbital period is roughly 3.5 Earth years (about 1,280 days), meaning it completes one full revolution around the Sun in this time frame.
The inclination of 2500 Alascattalo’s orbit relative to the ecliptic plane is approximately 5 degrees, which is typical for many main-belt asteroids. This slight tilt affects how the asteroid’s position changes relative to Earth and other planets over time.
### Physical Characteristics
#### Size and Shape
Based on observations and brightness measurements, 2500 Alascattalo is estimated to have a diameter of approximately 10 to 15 kilometers. The exact size can vary depending on the albedo (reflectivity) assumed in calculations. Its shape is likely irregular, as is common for asteroids of this size, though detailed shape models are not available.
#### Composition and Spectral Type
Spectroscopic studies classify 2500 Alascattalo as an S-type (silicaceous) asteroid. S-type asteroids are composed primarily of silicate minerals and nickel-iron metal. This composition suggests that 2500 Alascattalo has a relatively bright surface compared to darker, carbonaceous C-type asteroids.
#### Rotation and Lightcurve
Photometric observations have been used to determine the rotation period of 2500 Alascattalo. The asteroid exhibits a rotation period of approximately 4 to 6 hours, typical for asteroids of its size. Variations in brightness during rotation provide insights into its shape and surface heterogeneity.
### Observation History
Since its discovery, 2500 Alascattalo has been observed intermittently by ground-based telescopes. These observations have contributed to refining its orbital parameters and physical characteristics. However, it has not been the target of dedicated spacecraft missions, and much of the detailed information about its surface and internal structure remains unknown.
### Scientific Significance
Studying asteroids like 2500 Alascattalo helps astronomers understand the composition and evolution of the early solar system. As remnants of the primordial material that formed the planets, main-belt asteroids provide clues about the processes of planetary accretion and differentiation.
The S-type classification of 2500 Alascattalo indicates it may share characteristics with the stony meteorites found on Earth, linking it to the broader context of meteoritic studies. Understanding its rotation and orbital dynamics also aids in modeling the population and behavior of main-belt asteroids.
### Future Research and Exploration
While 2500 Alascattalo has not been a primary target for space missions, future telescopic surveys and potential spacecraft flybys could yield more detailed data. Advances in radar astronomy and infrared observations may improve estimates of its size, shape, and surface properties.
Continued monitoring of its orbit is important for refining models of asteroid belt dynamics and assessing any potential future interactions with other solar system bodies.
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**Meta Description:**
2500 Alascattalo is a main-belt asteroid discovered in 1979, characterized by its S-type composition and typical orbital parameters within the asteroid belt. It contributes to the understanding of early solar system materials and asteroid dynamics.