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Orbit data - Object data - Mythology - Satellites - Links Go to the bottom of the page
Photo of the asteroid Ida
243 Ida

Hide this area Orbit data
Mean distance from the star Sun 427.910.000 km
2,86038 AU
Minimum distance from the star Sun (perihelion) 407.990.000 km
Maximum distance from the star Sun (aphelion) 447.830.000 km
Orbital period around the star Sun (sideric) 4,84 y
Orbital inclination 1,138 °
Eccentricity of the orbit around the star Sun 0,0465
Hide this area Object data
Discovered by Johann Palisa 1884
Mass 4,2 × 1016 kg
Equatorial radius 15,7 km
Mean density 2,6 g/cm³
Rotational period 4,633 h
Albedo 0,24
Apparent magnitude + 11,0 mvis
Hide this area Mythology

Idaea is a greek nymph who lived on Mount Ida, where the infant Zeus was hidden. Idaea and Scamander had Troy's first king Teucer as their child.

Hide this area Satellites
No.  Name Distance Eccentricity Radius Mass
1 Dactyl Dactyl 83.5 83,5 km 0.13 0,13 0.7 0,7 km
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File icon NASA National Space Science Data Center - Asteroids and Comets
File icon The Solar System - Asteroids
Compiled by Marc Sulfridge
File icon Asteroid Density, Porosity and Structure
D.T. Britt, D. Yeomans, K. Housen, G. Consolmagno (3500 kB)
File icon NASA/JPL (Galileo) - Ida and Dactyl: Asteroid and Moon
Astronomy Picture of the Day (Jun 30th 1995) - 473 × 246 (32 kB)
File icon Welcome to the Planets
Online version of the "Planetary Data System Educational CD-ROM"
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