11409 Horkheimer

Horkheimer
Discovery
Discovery date	19 March 1999
Designations
MPC designation	11409
Named after	Jack Horkheimer
Alternative names	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)
Semi-major axis	3.191378 AU (477.4234 Gm)
Eccentricity	0.1175542
Orbital period	5.70 yr (2082.4 d)
Mean anomaly	330.93436°
Mean motion	0° 10^m 22.356^s / day
Inclination	2.298708°
Longitude of ascending node	115.95379°
Argument of perihelion	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
Absolute magnitude (H)	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.

References

↑ "11409 Horkheimer (1999 FD9)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 9 April 2016.

External links

Discovery · Orbit diagram · Orbital elements · Physical parameters

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