4432 McGraw-Hill

4432 McGraw-Hill
Discovery^[1]
Discovered by	Schelte J. Bus
Discovery site	Siding Spring
Discovery date	2 March 1981
Orbital characteristics^[2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	14055 days (38.48 yr)
Aphelion	2.8984 AU (433.59 Gm)
Perihelion	1.8733 AU (280.24 Gm)
Semi-major axis	2.3858 AU (356.91 Gm)
Eccentricity	0.21484
Orbital period	3.69 yr (1346.0 d)
Mean anomaly	334.23°
Mean motion	0° 16^m 2.82^s / day
Inclination	0.46153°
Longitude of ascending node	115.11°
Argument of perihelion	246.39°
Earth MOID	0.868552 AU (129.9335 Gm)
Jupiter MOID	2.54754 AU (381.107 Gm)
Jupiter Tisserand parameter	3.504
Physical characteristics
Dimensions	3 km
Absolute magnitude (H)	14.5

4432 McGraw-Hill is a main belt asteroid with an orbital period of 1347.0198029 days (3.69 years).^[2]

The asteroid was discovered on March 2, 1981 by Schelte J. Bus at Siding Spring in the course of the UK Schmidt-Caltech Asteroid Survey. On February 18, 1992, the International Astronomical Union officially assigned the name "McGraw-Hill" to the asteroid. The text of the citation, as officially published by IAU Commission 20 in Minor Planet Circular 19897, is as follows:^[1]

“

Named after the 1.3 m McGraw-Hill telescope located on the southwestern ridge of Kitt Peak, Arizona, which was the site for the first physical observations for this minor planet. The telescope is operated by a consortium comprising the University of Michigan, Dartmouth College, and the Massachusetts Institute of Technology. Originally erected at Stinchfield Woods near Dexter, Michigan, in July 1969, the telescope was moved to its current location in 1975 through the generous financial support of McGraw-Hill Incorporated and the Sloan Foundation. Name proposed and citation provided by Richard P. Binzel.

”

References

1 2 Minor Planet Circular 19697 IAU Commission 20
1 2 "JPL Small-Body Database Browser". NASA. Retrieved 14 April 2016.

External links

4432 McGraw-Hill at the JPL Small-Body Database

Discovery · Orbit diagram · Orbital elements · Physical parameters

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