C/1490 Y1
< C
| Discovery | |
|---|---|
| Discovery site | China |
| Discovery date | 31 December 1490 |
| Designations | |
| 1491 I | |
| Orbital characteristics | |
| Epoch | 26 December 1490 (JD 2265638.47) |
| Observation arc | 22 days |
| Number of observations | 3 |
| Aphelion | 5.320 AU |
| Perihelion | 0.769 AU |
| Semi-major axis | 3.040 AU |
| Eccentricity | 0.75000 |
| Orbital period | 5.30 years |
| Inclination | 70.200° |
| 283.00° | |
| Argument of periapsis | 164.00° |
| Last perihelion | 24 December 1490 (observed) |
| Next perihelion | Uncertain (Presumed periodic) |
| Physical characteristics | |
| 5.4 (1491 apparition) | |
C/1490 Y1 is a comet that was recorded and observed across East Asia, particularly China and Korea, from December 1490 to February 1491. It is the parent body of the Quadrantids meteor shower.