11409 Horkheimer

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Horkheimer
Discovery
Discovery date 19 March 1999
Designations
MPC designation 11409
Named after
Jack Horkheimer
1999 FD9
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 10191 days (27.90 yr)
Aphelion 3.5665385 AU (533.54657 Gm)
Perihelion 2.8162184 AU (421.30028 Gm)
3.191378 AU (477.4234 Gm)
Eccentricity 0.1175542
5.70 yr (2082.4 d)
330.93436°
0° 10m 22.356s / day
Inclination 2.298708°
115.95379°
75.44493°
Earth MOID 1.81721 AU (271.851 Gm)
Jupiter MOID 1.3917 AU (208.20 Gm)
Jupiter Tisserand parameter 3.185
Physical characteristics
12.8

11409 Horkheimer (1999 FD9) is a main-belt asteroid discovered March 19, 1999, by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station. It is named in honor of Jack F. Horkheimer (1938 - 2010), former executive director of the Miami Space-Transit Planetarium, who is best known as the creator and host of the television program Jack Horkheimer: Star Gazer.

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