1999da
1999da is a provisional designation used for one or more small solar system bodies first observed in 1999. Provisional designations identify objects before a permanent number or name is assigned.
The designation consists of the year of discovery, followed by the half-month code and a sequence indicator.
The object referred to by 1999da could be a main-belt asteroid, a near-Earth object, or another minor
Once enough observations accumulate, 1999da may be assigned a permanent number, and potentially a name. Many
Observational data for such designations are maintained by the IAU Minor Planet Center; researchers can consult
See also: Minor Planet Center; Provisional designation; List of minor planets.