Focus On: (5143) Heracles

Basics

Class: O-type asteroid
Location: NEO, Apollo group
Orbit length (approx): 2.49 years
Discovered: 7th November 1991, 06:54 UTC, from Palomar Observatory, San Diego, California, by Carolyn Shoemaker
Notes: Approx 4.8km diameter, rare spectral type and binary.
Events at time of discovery:

• November 7 – The first report on carbon nanotubes is published by Sumio Iijima in Nature.
• – Birth of Felix Rosenqvist, Swedish race car driver
• – Death of Valery Aleksyev, 62, Soviet and Russian anthropologist
• – Death of Tom of Finland, 71, Finnish artist
• – Death of Ishak Haji Muhammad, 81, Malaysian writer
• – Death of Guillermo "Willy" Oddó, 48, Chilean musician

Focus On: (433) Eros

Basics

Class: S-type asteroid
Location: Near Earth object, part of the Amor group
Orbit length (approx): 1.76 years
Discovered: 13th August 1898 (time unknown), from Berlin, Germany, by Carl Gustav Witt
Notes: Second-largest Near-Earth Object. Visited by the NEAR Shoemaker space probe in 1998, it became the first asteroid ever studied from orbit.
Events at time of discovery:

• August 11 – Birth of Maria Klenova, Russian marine geologist
• August 13 – Birth of Regis Toomey, American actor
• August 15 – Birth of Jan Brzechwa, Polish poet
• August 20 – The Gornergrat railway opens, connecting Zermatt to the Gornergrat in Switzerland.
• August 23 – The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, sets sail from London.

Focus On: (38) Leda

Basics

Class: C-type asteroid
Location: Main belt
Orbit length (approx): 4.54 years
Discovered: 12th January 1856 (time unknown), from Paris, France by Jean Chacornac
Events at time of discovery:

• January 8 – Borax deposits are discovered in large quantities by John Veatch in California.
• January 9 – Birth of Lizette Woodworth Reese, American poet and teacher
• January 12 – Birth of John Singer Sargent, American artist

Focus On: (15) Eunomia

Basics

Class: S-type asteroid
Location: Main belt
Orbit length (approx): 4.30 years
Discovered: 29th July 1851 (time unknown), from Naples, Italy, by Annibale de Gasparis
Notes: Largest of the stony asteroids.
Events at time of discovery:

• July 20 – Birth of Arnold Pick, Czechoslovakian neurologist
• July 28 – Total solar eclipse visible in Canada, Greenland, Iceland and Northern Europe, the first solar eclipse to be photographed.
• August 12 – Isaac Singer is granted a United States patent for his improved sewing machine.