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686 Gersuind

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686 Gersuind
Discovery
Discovered byAugust Kopff
Discovery siteHeidelberg
Discovery date15 August 1909
Designations
MPC designation(686) Gersuind
Alternative designations1909 HF
Minor planet categorymain-belt · (middle)
Gersuind
Orbital characteristics
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc106.67 yr (38960 d)
Aphelion3.2844 AU (491.34 Gm)
Perihelion1.8987 AU (284.04 Gm)
Semi-major axis2.5915 AU (387.68 Gm)
Eccentricity0.26736
Orbital period (sidereal)4.17 yr (1523.8 d)
Mean anomaly236.17°
Mean motion0° 14 10.5 / day
Inclination15.672°
Longitude of ascending node243.103°
Argument of perihelion88.883°
Physical characteristics
Mean radius20.565±2.25 km
Synodic rotation period6.3127 h (0.26303 d)
Geometric albedo0.1416±0.037
Absolute magnitude (H)9.67

686 Gersuind is a minor planet orbiting the Sun that was discovered by German astronomer August Kopff on 15 August 1909 from Heidelberg. It was named after a character in Gerhart Hauptmann's play Gersuind.

This object is the namesake of a family of 40–207 asteroids that share similar spectral properties and orbital elements; hence they may have arisen from the same collisional event. All members have a relatively high orbital inclination.

References

  1. Yeomans, Donald K., "686 Gersuind", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 5 May 2016.
  2. Novaković, Bojan; et al. (November 2011), "Families among high-inclination asteroids", Icarus, vol. 216, no. 1, pp. 69–81, arXiv:1108.3740, Bibcode:2011Icar..216...69N, doi:10.1016/j.icarus.2011.08.016.

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