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Annibale de Gasparis discovers asteroid 15 Eunomia

15 Eunomia is a very large asteroid in the middle asteroid belt. It is the largest of the stony asteroids, with 3 Juno as a close second.

15 Eunomia is a very large asteroid in the middle asteroid belt. It is the largest of the stony asteroids, with 3 Juno as a close second. It is quite a massive asteroid, in 6th to 8th place (to within measurement uncertainties). It is the largest Eunomian asteroid, and is estimated to contain 1% of the mass of the asteroid belt.

Eunomia was discovered by Annibale de Gasparis on July 29, 1851, and named after Eunomia, one of the Horae (Hours), a personification of order and law in Greek mythology. Its historical symbol is a heart with a star on top; it was encoded in Unicode 17.0 as U+1CEC8 𜻈 ().

Historical Significance

15 Eunomia is a very large asteroid in the middle asteroid belt.

Events Before

  1. Senator Henry Clay drafts the Compromise of 1850 to defuse tensions between slave states and free states over territorie

    Senator Henry Clay drafts the Compromise of 1850 to defuse tensions between slave states and free states over territories won during the Mexican–American War

  2. French writer and playwright Honoré de Balzac marries Ewelina Hańska in Berdyczów, Ukraine

    French writer and playwright Honoré de Balzac marries Ewelina Hańska in Berdyczów, Ukraine

  3. American Union Army General William Tecumseh Sherman (30) weds Eleanor Boyle Ewing in Washington, D.C., until her death

    American Union Army General William Tecumseh Sherman (30) weds Eleanor Boyle Ewing in Washington, D.C., until her death in 1888

  4. Poet Alfred Tennyson (40) weds Emily Sellwood (36)

    Poet Alfred Tennyson (40) weds Emily Sellwood (36)

  5. First public demonstration of ice made via refrigeration by Florida physician John Gorrie

    First public demonstration of ice made via refrigeration by Florida physician John Gorrie

Events After

  1. National debt of Britain and Ireland is £765,126,582

    National debt of Britain and Ireland is £765,126,582

  2. Fugitive slave Frederick Douglass delivers his 'What to the Slave Is the Fourth of July?' speech to the Ladies' Anti-Sla

    Fugitive slave Frederick Douglass delivers his 'What to the Slave Is the Fourth of July?' speech to the Ladies' Anti-Slavery Society in Rochester, condemning the celebration as a hypocritical sham

  3. Future US President Rutherford B. Hayes (30) weds teetotaler and abolitionist Lucy Webb (21)

    Future US President Rutherford B. Hayes (30) weds teetotaler and abolitionist Lucy Webb (21)

  4. First Chinese immigrants arrive in Hawaii

    First Chinese immigrants arrive in Hawaii

  5. British recognize independence of Transvaal (in South Africa)

    British recognize independence of Transvaal (in South Africa)

More from the 1850s

birth

Alice Mary Robertson is born

Alice Mary Robertson, American politician, known for american politician, was born on 1854-01-02.

birth

Tim Keefe is born

Tim Keefe, American athlete, known for american baseball player, was born on 1857-01-01.

City of Glasgow steamer inaugurates Philadelphia-Liverpool line

City of Glasgow steamer inaugurates Philadelphia-Liverpool line

National debt of Britain and Ireland is £765,126,582

National debt of Britain and Ireland is £765,126,582

Frequently Asked Questions

What happened on July 29, 1851?
15 Eunomia is a very large asteroid in the middle asteroid belt. It is the largest of the stony asteroids, with 3 Juno as a close second. It is quite a massive asteroid, in 6th to 8th place (to within measurement uncertainties).
Why is Annibale de Gasparis discovers asteroid 15 Eunomia significant?
15 Eunomia is a very large asteroid in the middle asteroid belt.

Explore More

July 29 in HistoryYear 1851