300315F

300315F is a fictional main-belt asteroid introduced for use in demonstration datasets and educational tutorials on asteroid cataloging. It is not a real object recognized by official asteroid catalogs such as the Minor Planet Center, but it is used in examples to illustrate standard cataloging practices.

In the fictional schema, 300315F is described as a small to moderately sized asteroid with a diameter on the order of a few kilometers and a relatively low albedo. Its orbit is presented as typical of main-belt objects, with a semi-major axis in the range of 2.2 to 2.9 astronomical units, a modest eccentricity, and a small to moderate inclination. The taxonomic type is shown as a common carbonaceous or silicate-rich composition, reflecting the diversity seen in real main-belt populations.

Discovery and naming in this context are intended to demonstrate how provisional designations evolve into permanent numbers in official catalogs. The suffix "F" marks the object as fictional within the demonstration framework and is not part of any real naming scheme used by the Minor Planet Center. The exercise emphasizes the separation between illustrative data fields and actual observational records.

Usage and significance: 300315F appears in textbooks, online tutorials, and wiki demonstrations to teach concepts such as orbit determination, photometric properties, and catalog cross-referencing. It provides a consistent reference point for explaining standard catalog fields—such as orbital elements, absolute magnitude, and taxonomic classification—without relying on a real celestial object. See also: Minor planet designation; asteroid; cataloging practices.