Astronomy Almanac
>
Home
Images
Questions
Factoids
Almanac
Planets
Moons
Constellations
Stars
Messier Objects
Galaxies
Nebulae
History
Timelines
Astronomers
Search
[
Science / Astronomy /
Comets
]
The absolute magnitude of 1P/Halley is 5.5
1P/Halley (1PHalley)
Absolute Magnitude
Orbital Eccentricity
Orbital Inclination
Orbital Period
Perihelion Date
Perihelion Distance
Semi-Major Axis