&sq=Qlik&lang=&file=File:Comet_c2017_o1_orbit.png) The comet's perihelion is just outside of the orbit of Mars on October 14, 2017. | |
| Discovery | |
|---|---|
| Discovered by | All Sky Automated Survey for SuperNovae |
| Discovery date | July 19th 2017 |
| Designations | |
| ASASSN1 | |
| Orbital characteristics | |
| Epoch | 2017-Aug-24 (JD 2457989.5) |
| Observation arc | 73 days |
| Perihelion | 1.4987 AU |
| Eccentricity | 0.99658 |
| Orbital period | ~8600 yr (inbound) ~8200 yr (outbound) |
| Inclination | 39.849° |
| 25.810° | |
| Argument of periapsis | 20.907° |
| Last perihelion | 2017-Oct-14 |
| Earth MOID | 0.534 AU |
| Jupiter MOID | 2.27 AU |
C/2017 O1 (ASASSN) is a comet discovered by the All Sky Automated Survey for SuperNovae (ASAS-SN). It was first detected on July 19, 2017, located in the southern constellation Cetus.