1993 DA

1993 DA is a near-Earth asteroid (NEA) discovered on February 24, 1993, by Robert H. McNaught at the Siding Spring Observatory in Australia. It is classified as an Aten asteroid, meaning its orbit lies mostly inside Earth's orbit.

Orbital Characteristics:

1993 DA has a relatively small orbit, characterized by a semi-major axis less than 1 astronomical unit (AU). Aten asteroids are known for their potential close approaches to Earth. Its orbit is subject to perturbations from the gravity of Earth and other planets, which can lead to significant changes in its trajectory over time.

Physical Properties:

Little is known about the physical characteristics of 1993 DA, such as its size, shape, composition, and rotation period. Observations are needed to determine its albedo (reflectivity) and spectral type, which would provide insights into its mineral composition and origin.

Significance:

As a near-Earth asteroid, 1993 DA is of interest due to its potential, though currently not considered significant, risk of impacting Earth. Its classification as an Aten asteroid increases the frequency of close approaches, making it a target for tracking and monitoring by astronomers. Studying asteroids like 1993 DA helps scientists to understand the distribution of objects in the inner solar system, assess potential impact hazards, and gain insights into the early history of the solar system.