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548 Kressida

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Minor planet This article is about the asteroid. For the moon of Uranus, see Cressida (moon).

548 Kressida
Discovery
Discovered byPaul Götz
Discovery siteHeidelberg
Discovery date14 October 1904
Designations
MPC designation(548) Kressida
Pronunciation/ˈkrɛsɪdə/
Alternative designations1904 PC
Orbital characteristics
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc111.50 yr (40725 d)
Aphelion2.7051 AU (404.68 Gm)
Perihelion1.8592 AU (278.13 Gm)
Semi-major axis2.2822 AU (341.41 Gm)
Eccentricity0.18534
Orbital period (sidereal)3.45 yr (1,259.3 d)
Mean anomaly128.11°
Mean motion0° 17 9.168 / day
Inclination3.8722°
Longitude of ascending node108.436°
Argument of perihelion320.351°
Physical characteristics
Dimensions14.0±1.9 km
Synodic rotation period11.9404 h (0.49752 d)
Spectral typeS
Absolute magnitude (H)11.26

548 Kressida is a minor planet 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 2.28 AU from the Sun, with an orbital eccentricity (ovalness) of 0.185 and a period of 3.45 yr. The orbital plane is inclined at an angle of 3.87° to the ecliptic.

Photometric observations of this asteroid from 2021 were used to produce a light curve showing a rotation period of 11.930±0.017 h with a brightness amplitude of 0.44±0.02 in magnitude.

References

  1. ^ "548 Kressida (1904 PC)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
  2. ^ Colazo, Milagros; et al. (April 2022). "Photometry and Light Curve Analysis of Six Asteroids by GORA'S Observatories". Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers. 49 (2): 125–127. Bibcode:2022MPBu...49..125C.

External links

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