818 Kapteynia

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818 Kapteynia
Discovery
Discovered by Max Wolf
Discovery site Heidelberg
Discovery date 21 February 1916
Designations
1916 YZ
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 99.92 yr (36496 d)
Aphelion 3.4695 AU (519.03 Gm)
Perihelion 2.8693 AU (429.24 Gm)
3.1694 AU (474.14 Gm)
Eccentricity 0.094677
5.64 yr (2060.9 d)
38.374°
0° 10m 28.848s / day
Inclination 15.664°
70.816°
293.096°
Earth MOID 1.91242 AU (286.094 Gm)
Jupiter MOID 2.0269 AU (303.22 Gm)
Jupiter Tisserand parameter 3.138
Physical characteristics
Mean radius
24.725±1.95 km
16.35 h (0.681 d)
0.1655±0.029
9.3

818 Kapteynia is a minor planet orbiting the Sun. This asteroid is named for the Dutch astronomer Jacobus Kapteyn.

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