Discovery[1] | |
---|---|
Discovery site | China |
Discovery date | 31 December 1490 |
Designations | |
1491 I[2] | |
Orbital characteristics[3][4] | |
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[1] | |
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.
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