497 Iva Explained

Minorplanet:yes
497 Iva
Background:
  1. D6D6D6
Mpc Name:(497) Iva
Pronounced:[1]
Alt Names:1902 KJ
Discovered:4 November 1902
Epoch:31 July 2016 (JD 2457600.5)
Eccentricity:0.29981
Semimajor:2.8516AU
Perihelion:1.9966AU
Aphelion:3.7065abbr=onNaNabbr=on
Period:1758.8days 4.82 yr (1758.8 d)
Inclination:4.8205°
Asc Node:6.3305°
Arg Peri:3.5819°
Mean Motion: / day
Observation Arc:41438days 113.45 yr (41438 d)
Uncertainty:0
Abs Magnitude:10.02
Rotation:4.62abbr=onNaNabbr=on

497 Iva is a main-belt asteroid orbiting the Sun, not to be confused with 1627 Ivar. It was discovered by American astronomer R. S. Dugan on 4 November 1902, and was named for Iva Shores, the young daughter of the family where he was staying in Heidelberg. This object is orbiting at a distance of with a period of 1758.8days and an eccentricity of 0.3. The orbital plane is inclined at an angle of 4.8° to the plane of the ecliptic.

This asteroid is classified as an M-type asteroid and is considered anhydrous but oxidized. Further analysis of the spectra suggests the "presence of either an olivine or high-Ca pyroxene phasein addition to orthopyroxene ± Type B clinopyroxene". Analysis of light curves based on photometric data show a rotation period of with a brightness variation of in magnitude.

External links

Notes and References

  1. Noah Webster (1884) A Practical Dictionary of the English Language