Additional Information Programs 541-570

541-Additional Information -Most Dangerous in 2018

Image Credit: Live Science
Image Credit:  JPL/NASA

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2018 XV5       G96   PHA           2018  12  14   1085m  3559ft
Alex Gibbs

If an asteroid has a perihelion distance of 2.0 A.U. and an aphelion distance of 6.0 A.U., what is its orbital semi-major axis, eccentricity, and period? Thanks!?

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542-Additional Information-Toughest Asteroid

An artist's concept of an impact event on Pallas. Credit: B. E. Schmidt and S. C. Radcliffe of UCLA. [larger image]
Image Credit: JPL/NASA

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2018 04 14.2634611 40 52.57-11 33 17.319.5 G703 – Catalina Sky SurveyMPS 882294
2018 GG5     703          2018  4  14   19.80    376m  1234 ft
Inclination  16.7 degrees
Perhelion     0.11 AU 
Apihelion    3.87 AU
H= 19.8 [376m = 1234 feet]
Period = 2.8 yr = 1023 days
Earth MOID = 0.105 AU = 41 LD

544-Additional Information-Missing

This image shows the orbits of more than 14,000 known asteroids, with the yellow denoting asteroids that have been seen by Gaia. The three asteroids that the spacecraft recently discovered are highlighted in gray.
(Image: © ESA/Gaia/DPAC)

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