Zeta Leporis has a stellar classification of A2 IV-V(n),[3] suggesting that it is in a transitional stage between an A-type main-sequence star and a subgiant.

[12] By 2001, the Long Wavelength Spectrometer at the Keck Observatory on Mauna Kea, Hawaii, was used more accurately to constrain the radius of the dust.

[12] The temperature of the dust was estimated as about 340 K.[citation needed] Based on heating from the star, this could place the grains as close as 2.5 AU from Zeta Leporis.

[citation needed] Bobylev's calculations from 2010 suggest that this star passed as close as 1.28 parsecs (4.17 light-years) from the Sun about 861,000 years ago.

[5] García-Sánchez 2001 suggested that the star passed 1.64 parsecs (5.34 light-years) from the Sun about 1 million years ago.