In the close approach that led to its initial discovery , not enough observations could be made to calculate an orbit , and PERSON@1 was a lost asteroid until NUMBER@1 when it was rediscovered by PERSON@2 .

In the close approach that led to the first time it was found , not enough sightings could be made to find out it 's orbit , and PERSON@1 was lost until NUMBER@1 when it was found once again by PERSON@2 .
