Great Comet of 1811
Astronomical object / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about C/1811 F1?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
The Great Comet of 1811,[4] formally designated C/1811 F1, is a comet that was visible to the naked eye for around 260 days, the longest recorded period of visibility until the appearance of Comet Hale–Bopp in 1997. In October 1811, at its brightest, and when it was 1.2 AU from Earth, it displayed an apparent magnitude of 0,[5][6] with an easily visible coma.
Quick Facts Discovery, Discovered by ...
Discovery | |
---|---|
Discovered by | Honoré Flaugergues |
Discovery date | March 25, 1811 |
Designations | |
1811 I, Great Comet of 1811 | |
Orbital characteristics | |
Epoch | 1811-Sep-05 2382760.5 |
Observation arc | 505 days (1.38 years) |
Number of observations | 1000 |
Orbit type | Long period comet |
Aphelion | 423 AU |
Perihelion | 1.04 AU[1] |
Semi-major axis | 212.4 AU |
Eccentricity | 0.995125 |
Orbital period | 2742 years (inbound) 2974 years (outbound)[2] |
Inclination | 106.9° |
Last perihelion | September 12, 1811 |
Next perihelion | ≈48th century |
Physical characteristics | |
Dimensions | 30−40 km[3] |
Close