Yamato 983183 Meteorite

Yamato 983183 Meteorite Quick Facts

  • Name: Yamato 983183
  • Year Discovered: 1998
  • Approximate Recovery Location: Antarctica
  • Precise Recovery Location: (0.0, 0.0)
  • Mass: 142.9 grams
  • Classification: LL3
  • Discovery Type: Found
  • Condition: Valid

More Details About the Yamato 983183 Meteorite

The Yamato 983183 meteorite was discovered in 1998. It was recovered in Antarctica (0.0, 0.0). It has a mass of 142.9 grams.

Yamato 983183 is considered a “Valid” meteorite. “Valid” meteorites are typical meteorites with average weathering, while “relict” meteorites are those that have been extremely altered, either due to weathering over time or human intervention.

Yamato 983183’s official classification is LL3. The classification “LL3” refers to a specific type of ordinary chondrite from the LL group. These meteorites are characterized by their low iron and metal content, fairly large chondrules, and oxygen isotope compositions that differ from other ordinary chondrites. Additionally, they are classified as petrologic type 3, indicating an abundance of chondrules, low degrees of alteration, and unique mineral characteristics, such as monoclinic low-Ca pyroxene grains with twinning.

The Yamato 983183 meteorite is a “Found” meteorite. Meteorites are classified as “falls” if they were observed falling and recovered, while “finds” are those discovered later, often weathered by longer exposure to Earth’s environment and without a record of being seen as they fell.

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Last Updated: 1/18/24

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