▁the ▁more ▁common ▁F - type ▁astero id ▁for ▁this ▁family , ▁suggesting ▁that ▁it ▁may ▁be ▁an ▁inter lo per . ▁Spect ro scop ic ▁analysis ▁indicates ▁the ▁possible ▁presence ▁of ▁hyd r ated ▁sil ic ates ▁indicating ▁that ▁Her tha ▁should ▁possibly ▁be ▁rec lass ified ▁from ▁its ▁present ▁M - type ▁to ▁the ▁proposed ▁W - type . ▁ ▁Light cur ve ▁data ▁from ▁Her tha ▁indicates ▁a ▁fl atten ed ▁body , ▁and ▁rad ar ▁observations ▁indicate ▁that ▁Her tha ▁is ▁non - met all ic . ▁Five ▁occ ult ations ▁of ▁stars ▁by ▁the ▁astero id ▁have ▁been ▁observed ▁between ▁ 2 0 0 0 ▁and ▁ 2 0 1 5 . ▁ ▁Disc overy ▁ ▁Her tha ▁was ▁discovered ▁by ▁C . ▁H . ▁F . ▁Peters ▁on ▁ 1 8 ▁February ▁ 1 8 7 4 , ▁in ▁Cl inton , ▁New ▁York . ▁ ▁Further ▁observations ▁were ▁carried ▁out ▁in ▁ 1 8 8 3 ▁by ▁W . ▁T . ▁Sam pson ▁and ▁communic ated ▁to ▁Astronom ische ▁Nach richt en ▁on ▁his ▁beh alf ▁by ▁R ear ▁Admir al ▁R . ▁W . ▁Sh uf eld t . ▁ ▁Phys ical ▁properties ▁ ▁After ▁its ▁discovery ▁in ▁ 1 8 7 4 , ▁subsequent ▁observations ▁in ▁ 1 8 8 4 ▁established ▁Her tha ▁orbit . ▁Astronom ers ▁then ▁began ▁investigation ▁of ▁its ▁physical ▁properties . ▁ ▁As ▁early ▁as ▁ 1 9 0 4 , ▁G . ▁W . ▁Hill ▁reported ▁observations ▁of