Kressida (
minor planet designation
A formal minor-planet designation is, in its final form, a number–name combination given to a minor planet (asteroid, centaur, trans-Neptunian object and dwarf planet but not comet). Such designation always features a leading number (catalog or ...
: 548 Kressida) is a
minor planet
According to the International Astronomical Union (IAU), a minor planet is an astronomical object in direct orbit around the Sun that is exclusively classified as neither a planet nor a comet. Before 2006, the IAU officially used the term ''minor ...
orbiting the
Sun. This object was discovered by German astronomer
Paul Götz in 1904.
[ It is named after the theatrical character Cressida. This stony S-type asteroid is orbiting at a distance of from the Sun, with an ]orbital eccentricity
In astrodynamics, the orbital eccentricity of an astronomical object is a dimensionless parameter that determines the amount by which its orbit around another body deviates from a perfect circle. A value of 0 is a circular orbit, values betwee ...
(ovalness) of 0.185 and a period of . The orbital plane is inclined at an angle of 3.87° to the ecliptic.rotation period
The rotation period of a celestial object (e.g., star, gas giant, planet, moon, asteroid) may refer to its sidereal rotation period, i.e. the time that the object takes to complete a single revolution around its axis of rotation relative to the ...
of with a brightness amplitude
The amplitude of a periodic variable is a measure of its change in a single period (such as time or spatial period). The amplitude of a non-periodic signal is its magnitude compared with a reference value. There are various definitions of amplit ...
of in magnitude.[
]
References
External links
*
*
000548
Discoveries by Paul Götz
Named minor planets
000548
19041014
{{Beltasteroid-stub