It has also been classified as a D - type by Pan-STARRS ' survey .
In the SDSS - based taxonomy , Rhesus is a dark D - type asteroid , the most common type among the Jupiter trojans .
Rhesus has also been classified as a D - type by Pan-STARRS ' survey .
In the SDSS - based taxonomy , Rhesus is a dark D - type asteroid , the most common type among the Jupiter trojans .