686 Gersuind

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.

686 Gersuind

Discovery
Discovered by	August Kopff
Discovery site	Heidelberg
Discovery date	15 August 1909
Designations
MPC designation	(686) Gersuind
Alternative designations	1909 HF
Minor planet category	main-belt · (middle) Gersuind
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	106.67 yr (38960 d)
Aphelion	3.2844 AU (491.34 Gm)
Perihelion	1.8987 AU (284.04 Gm)
Semi-major axis	2.5915 AU (387.68 Gm)
Eccentricity	0.26736
Orbital period (sidereal)	4.17 yr (1523.8 d)
Mean anomaly	236.17°
Mean motion	0° 14m 10.5s / day
Inclination	15.672°
Longitude of ascending node	243.103°
Argument of perihelion	88.883°
Physical characteristics
Mean radius	20.565±2.25 km
Synodic rotation period	6.3127 h (0.26303 d)
Geometric albedo	0.1416±0.037
Absolute magnitude (H)	9.67

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.^[2]