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Asteroid Albedos & Consequences for Detection by NEA Survey Programs Contributed by

Asteroid Albedos & Consequences for Detection by NEA Survey Programs Contributed by Eric B. Grosfils Pomona College. Astronomy: Sky Surveys. Great idea! But not so simple in practice… It’s a big solar system out there!

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Asteroid Albedos & Consequences for Detection by NEA Survey Programs Contributed by

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  1. Asteroid Albedos & Consequences for Detection by NEA Survey Programs Contributed by Eric B. Grosfils Pomona College

  2. Astronomy: Sky Surveys • Great idea! But not so simple in practice… • It’s a big solar system out there! • Trade off between detection size limit and survey speed/effectiveness. • Asteroids are dark… much like asteroid Eros (10 km x 30 km) shown here (it really is here, even if you cannot see it) • with albedos of a few percent, think looking for lumps of coal set against the black vastness of space! Eros’ Albedo: 5%

  3. Astronomy: Sky Surveys 10%

  4. Astronomy: Sky Surveys 20%

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