991 McDonalda
991 McDonalda is a Themistian asteroid. It was discovered by Otto Struve in 1922 at the Yerkes Observatory in Williams Bay, Wisconsin, United States. It is named after the McDonald Observatory, which Struve helped found in 1939.
Q2299891
Themistian asteroid
Concept
Q367635
Otto Struve
PER
Q14310
Yerkes Observatory
LOC
Q1758449
Williams Bay
LOC
Q1537
Wisconsin
LOC
Q1536779
McDonald Observatory
LOC
Q158497
991 McDonalda
CEL
1922-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1922
DATE
1939-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1939
DATE
+991^^http://www.w3.org/2001/XMLSchema#decimal
991
NUMBER
discoverer or inventor
site of astronomical discovery
named after
located in the administrative territorial entity