Overview

August Kopff was born on February 5 and the year of his birth is recorded as 1882; he died on April 25, 1960. A German astronomer, Kopff worked during a period when photographic techniques and dedicated observatories made systematic searches for small bodies more productive. He is remembered chiefly for finding a number of comets and asteroids, contributing to our knowledge of the Solar System's small-object populations.

Discoveries

Kopff's work combined observation, cataloging, and the careful analysis of photographic plates. He discovered both periodic and non-periodic comets and many minor planets. His discoveries helped map populations that range from Jupiter-family comets to Jupiter trojans. The discovery process in his era required meticulous plate comparison and manual calculation of orbital elements.

Notable comets and asteroids

Among Kopff's cometary finds is the periodic comet 22P/Kopff, which bears his name. He also reported non-periodic objects such as C/1906 E1. His asteroid discoveries include several significant Trojan asteroids associated with Jupiter.

  • Comets: 22P/Kopff (periodic), C/1906 E1 (non-periodic)
  • Asteroids: numerous main-belt and Trojan objects

Two Trojan asteroids often cited in connection with Kopff's era are 617 Patroclus and 624 Hektor. Historical records and later studies of these bodies have revealed details such as binary nature, composition clues, and irregular shapes. The name Patroclus appears in catalog notes tied to early Trojan surveys.

Legacy and honors

Kopff's contributions were commemorated in astronomical nomenclature: a lunar crater bears his name, honoring his role in small-body discovery and orbit determination. The crater appears on maps of the Moon used by selenographers and remains a standard tribute in planetary nomenclature.

Significance

Beyond the specific objects he found, Kopff's career illustrates the transition to photographic and systematic sky surveys in early 20th-century astronomy. His discoveries provided targets for later observation, helped refine orbital mechanics for minor bodies, and contributed to the catalogs used by dynamicists and mission planners. For further reading, consult archival observatory reports and catalogs that list his discoveries and their subsequent observational history; see specialized bibliographies and online catalogs for detailed lists and references (birth, date, observatory logs and discovery tables).