690 Wratislavia

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690 Wratislavia
690Wratislavia (Lightcurve Inversion).png
A three-dimensional model of 690 Wratislavia based on its light curve.
Discovery
Discovered by Joel Hastings Metcalf
Discovery site Taunton, Massachusetts
Discovery date October 16, 1909
Designations
1909 HZ
Orbital characteristics
Epoch August 18, 2005 (JDCT 2453600.5)
Aphelion 3.722 AU
Perihelion 2.560 AU
3.141 AU
Eccentricity 0.185
5.567 a
65.091°
Inclination 11.283°
253.332°
115.678°
Physical characteristics
Dimensions 146.21 ± 11.02[1] km
Mass (1.28 ± 0.03) × 1019[1] kg
Mean density
7.81 ± 1.77[1] g/cm3

690 Wratislavia is a minor planet orbiting the Sun. Wratislavia was discovered on October 16, 1909.[2] IRAS data shows it is about 135 km in diameter.[2]

Asteroid 690 Wratislavia (apparent magnitude 12.9) near the galaxy NGC 6941.

Wratislavia has been studied by radar.[3]

References[edit]

  1. ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: 98-118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009.  See Table 1.
  2. ^ a b "JPL Small-Body Database Browser: 690 Wratislavia (1909 HZ)". 2005-03-11 last obs. Retrieved 2009-10-17. 
  3. ^ "Radar-Detected Asteroids and Comets". NASA/JPL Asteroid Radar Research. Retrieved 2011-10-30. 

External links[edit]