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
E2019-FV40             
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!?

Observable Comets

Alan Harris - Population of Near-Earth Objects

Advanced Magnitude Calculator & Tutorial



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
MPO450737
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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Gaia: Mapping a Billion Stars

GAIA’S FIRST ASTEROID DISCOVERIES

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Catalina Sky Survey

The Tracking News

NEO Earth Close Approaches

Center for NEO Studies

NASA Near Earth Object Program

Planetary Defense Coordination Office

Wikipedia-Near-Earth object

Impact: Earth! - Purdue University

NASA Planetary Defense

Minor Planet Center 

MPC Index

List Of Other Unusual Objects

Finding the constellation which contains given sky coordinates 

The Near-Earth Asteroids Data Base





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