117P/Helin–Roman–Alu, also known as Helin-Roman-Alu 1, is a periodic comet in the Solar System. It is a Quasi-Hilda comet.
References
External links 117P/Helin–Roman–Alu at the JPL Small-Body Database 117P/Helin-Roman-Alu 1 – Seiichi Yoshida @ aerith.net Elements and Ephemeris for 117P/Helin-Roman-Alu – Minor Planet Center 117P at Kronk's Cometography Images of 117P by Roger Groom