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Acesta are 25 km în diametru și vârsta este estimată la 49.0 ± 0,2 milioane de ani (Eocen). Craterul nu este expus la suprafață.[1] Acesta este posibil să se fi format în același timp cu Craterul Gusev din apropiere care este mai mic.
Six laser total-fusion analyses of the Kamensk impact glass have a weighted-mean age of 49.2 +/- 0.1 Ma relative to sanidine from the Taylor Creek Rhyolite of New Mexico that has an age of 27.92 Ma relative to a K-Ar age of 162.9± 0. Ma for a primary fluence-monitor standard SB-3 biotite or of 513.9 Ma for an international hornblende standard MMhb-1. This isotopic age of the Kamensk glass recalculated using a reference age for MMhb-1 of 520.4 Ma is 49.9 +/-0.1 Ma.
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