NASA just discovered Asteroid 2011 WP4. Estimated diameter 12M-27M
“NEO Advisory on Friday Nov 18 2011 NASA has located a very new Near Earth Object to pass very near to earth on NOV 24 2011.
This object was just discovered on Friday. Therefore NASA has had limited data to make orbit projections on 2011 WP4. The level of uncertainty is one level below maximum uncertainty. In layman’s terms they have basically took an educated guess as to if it will miss earth or not.”
Orbit Diagram: ssd.jpl.nasa.gov
Condition Code is 8
Orbit Uncertainty Estimate 0-9, with 0 being good and 9 being highly uncertain.