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We describe enhancements to the digest2 software, a short-arc orbitclassifier for heliocentric orbits. Digest2 is primarily used by the Near-EarthObject (NEO) community to flag newly discovered objects for a immediatefollow-up and has been a part of NEO discovery process for more than 15 years.We have updated the solar system population model used to weight the digest2score according to the 2023 catalog of known solar system orbits and extendedthe list of mean uncertainties for 140 observatory codes. Moreover, we haveadded Astrometry Data Exchange Standard (ADES) input format support to digest2,which provides additional information for the astrometry, such as positionaluncertainties for each detection. The digest2 code was also extended to readthe roving observer astrometric format as well as the ability to compute a newparameter from the provided astrometric uncertainties ($RMS'$) that can serveas an indicator of in-tracklet curvature when compared with tracklet'sgreat-circle fit RMS. Comparison with the previous version of digest2 confirmedthe improvement in accuracy of NEO identification and found that using ADES XMLinput significantly reduces the computation time of the digest2.

Improvement of digest2 NEO Classification Code -- utilizing the Astrometry Data Exchange Standard