Question: When was the asteroid, discovered at Palomar Observatory by the JPL Near Earth Asteroid Tracking Program and named after an astronaut who was killed in the Space Shuttle "Columbia" disaster, discovered?
Sentence (from "51826 Kalpanachawla"): 51826 Kalpanachawla was discovered on July 19, 2001 at Palomar Observatory by the JPL Near Earth Asteroid Tracking Program.
Relevant evidence: No