page_title: 6144 Kondojiro
section_title: Orbit and classification
hierarchical_section_title: 6144 Kondojiro / Orbit and classification
caption_attribution_description: English: The orbit of 6144 Kondojiro compared to the inner planets and Jupiter.
context_page_description: 6144 Kondojiro is an asteroid discovered on March 14, 1994 by Kin Endate and Kazuro Watanabe at the Kitami Observatory in eastern Hokkaidō, Japan. It is named after Jiro Kondo, a Japanese Egyptologist and professor of archaeology at Waseda University.
context_section_description: The orbit of 6144 Kondojiro is unusual for a number of reasons, including:
  An eccentricity greater than 0.3,
  A semi-major axis between that of an outer main-belt asteroid (3.2 AU < a < 4.6 AU) and a Jupiter trojan (4.6 AU < a < 5.5 AU),
  A relatively low inclination  for a Jupiter-crossing minor planet, and
  A lack of proper orbital elements due to recurring perturbations by Jupiter.
  It is difficult to classify an object with such a peculiar orbit using a conventional definition. Despite this, the Minor Planet Center (MPC) lists it as a main-belt asteroid, even though both the orbital and physical properties of 6144 Kondojiro suggest that it may be an extinct comet rather than a true asteroid. The JPL Small-Body Database lists only 33 such objects that have an observation arc greater than 30 days.
caption: The orbit of 6144 Kondojiro compared to that of Jupiter and the inner planets
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